Enabled pylint quote consistency check

Makefile

@@ -625,6 +625,9 @@ TOOL_CFG_INST = tools/snippets tool_config_install
 # Anything that affects tool-config generation.
 TOOL_CFG_SRC = tools/efrotools/snippets.py config/config.json
 
+# Anything that should trigger an environment-check when changed.
+ENV_SRC = tools/snippets tools/batools/build.py
+
 .clang-format: config/toolconfigsrc/clang-format ${TOOL_CFG_SRC}
 	${TOOL_CFG_INST} $< $@
 
@@ -649,7 +652,8 @@ TOOL_CFG_SRC = tools/efrotools/snippets.py config/config.json
 .pycheckers: config/toolconfigsrc/pycheckers ${TOOL_CFG_SRC}
 	${TOOL_CFG_INST} $< $@
 
-.cache/checkenv: tools/snippets
+# Include anything as sources here that should require
+.cache/checkenv: ${ENV_SRC}
 	@tools/snippets checkenv
 	@mkdir -p .cache
 	@touch .cache/checkenv

assets/src/ba_data/python/_ba.py

@@ -34,7 +34,7 @@ NOTE: This file was autogenerated by gendummymodule; do not edit by hand.
 """
 
 # (hash we can use to see if this file is out of date)
-# SOURCES_HASH=166094941497544152153395869789035079688
+# SOURCES_HASH=98939788916547368271598516749611571784
 
 # I'm sorry Pylint. I know this file saddens you. Be strong.
 # pylint: disable=useless-suppression
@@ -575,7 +575,7 @@ class Node:
     name_color: Sequence[float] = (0.0, 0.0, 0.0)
     tint_color: Sequence[float] = (0.0, 0.0, 0.0)
     tint2_color: Sequence[float] = (0.0, 0.0, 0.0)
-    text: Union[ba.Lstr, str] = ""
+    text: Union[ba.Lstr, str] = ''
     texture: Optional[ba.Texture] = None
     tint_texture: Optional[ba.Texture] = None
     times: Sequence[int] = (1, 2, 3, 4, 5)
@@ -595,7 +595,7 @@ class Node:
     client_only: bool = False
     materials: Sequence[Material] = ()
     roller_materials: Sequence[Material] = ()
-    name: str = ""
+    name: str = ''
     punch_materials: Sequence[ba.Material] = ()
     pickup_materials: Sequence[ba.Material] = ()
     extras_material: Sequence[ba.Material] = ()
@@ -642,7 +642,7 @@ class Node:
     boxing_gloves_flashing: bool = False
     dead: bool = False
     frozen: bool = False
-    counter_text: str = ""
+    counter_text: str = ''
     counter_texture: Optional[ba.Texture] = None
     shattered: int = 0
     billboard_texture: Optional[ba.Texture] = None
@@ -846,14 +846,14 @@ class Player:
 
         Returns the character's icon (images, colors, etc contained in a dict)
         """
-        return {"foo": "bar"}
+        return {'foo': 'bar'}
 
     def get_icon_info(self) -> Dict[str, Any]:
         """get_icon_info() -> Dict[str, Any]
 
         (internal)
         """
-        return {"foo": "bar"}
+        return {'foo': 'bar'}
 
     def get_id(self) -> int:
         """get_id() -> int
@@ -1935,7 +1935,7 @@ def get_appconfig_builtin_keys() -> List[str]:
 
     (internal)
     """
-    return ["blah", "blah2"]
+    return ['blah', 'blah2']
 
 
 def get_appconfig_default_value(key: str) -> Any:
@@ -1951,7 +1951,7 @@ def get_chat_messages() -> List[str]:
 
     (internal)
     """
-    return ["blah", "blah2"]
+    return ['blah', 'blah2']
 
 
 def get_collision_info(*args: Any) -> Any:
@@ -2037,7 +2037,7 @@ def get_game_roster() -> List[Dict[str, Any]]:
 
     (internal)
     """
-    return [{"foo": "bar"}]
+    return [{'foo': 'bar'}]
 
 
 def get_google_play_party_client_count() -> int:
@@ -2188,7 +2188,7 @@ def get_price(item: str) -> Optional[str]:
 
     (internal)
     """
-    return ""
+    return ''
 
 
 def get_public_login_id() -> Optional[str]:
@@ -2196,7 +2196,7 @@ def get_public_login_id() -> Optional[str]:
 
     (internal)
     """
-    return ""
+    return ''
 
 
 def get_public_party_enabled() -> bool:
@@ -2787,7 +2787,7 @@ def mac_music_app_get_playlists() -> List[str]:
 
     (internal)
     """
-    return ["blah", "blah2"]
+    return ['blah', 'blah2']
 
 
 def mac_music_app_get_volume() -> int:

assets/src/ba_data/python/ba/_account.py

@@ -83,7 +83,7 @@ def get_league_rank_points(data: Optional[Dict[str, Any]],
         assert isinstance(trophies_total, int)
         return trophies_total
     if subset is not None:
-        raise Exception("invalid subset value: " + str(subset))
+        raise Exception('invalid subset value: ' + str(subset))
 
     if data['p']:
         pro_mult = 1.0 + float(

assets/src/ba_data/python/ba/_achievement.py

@@ -180,7 +180,7 @@ def _display_next_achievement() -> None:
             ach.show_completion_banner(sound)
         except Exception:
             from ba import _error
-            _error.print_exception("error showing next achievement")
+            _error.print_exception('error showing next achievement')
             app.achievements_to_display = []
             app.achievement_display_timer = None
     else:
@@ -409,7 +409,7 @@ class Achievement:
                 hmo = (self._hard_mode_only and campaign.name == 'Easy')
             except Exception:
                 from ba import _error
-                _error.print_exception("unable to determine campaign")
+                _error.print_exception('unable to determine campaign')
                 hmo = False
 
         objs: List[ba.Actor]

assets/src/ba_data/python/ba/_activity.py

@@ -91,14 +91,14 @@ class Activity(DependencyComponent):
 
         session = _ba.getsession()
         if session is None:
-            raise Exception("No current session")
+            raise Exception('No current session')
         self._session = weakref.ref(session)
 
         # Preloaded data for actors, maps, etc; indexed by type.
         self.preloads: Dict[Type, Any] = {}
 
         if not isinstance(settings, dict):
-            raise Exception("expected dict for settings")
+            raise Exception('expected dict for settings')
         if _ba.getactivity(doraise=False) is not self:
             raise Exception('invalid context state')
 
@@ -308,7 +308,7 @@ class Activity(DependencyComponent):
             with _ba.Context('empty'):
                 self._expire()
         else:
-            raise Exception("_destroy() called multiple times")
+            raise Exception('_destroy() called multiple times')
 
     @classmethod
     def _check_activity_death(cls, activity_ref: ReferenceType[Activity],
@@ -420,7 +420,7 @@ class Activity(DependencyComponent):
         from ba import _actor as bsactor
         from ba import _error
         if not isinstance(actor, bsactor.Actor):
-            raise Exception("non-actor passed to _retain_actor")
+            raise Exception('non-actor passed to _retain_actor')
         if (self.has_transitioned_in()
                 and _ba.time() - self._last_dead_object_prune_time > 10.0):
             _error.print_error('it looks like nodes/actors are not'
@@ -438,7 +438,7 @@ class Activity(DependencyComponent):
         from ba import _actor as bsactor
         from ba import _error
         if not isinstance(actor, bsactor.Actor):
-            raise Exception("non-actor passed to _add_actor_weak_ref")
+            raise Exception('non-actor passed to _add_actor_weak_ref')
         if (self.has_transitioned_in()
                 and _ba.time() - self._last_dead_object_prune_time > 10.0):
             _error.print_error('it looks like nodes/actors are '
@@ -603,12 +603,12 @@ class Activity(DependencyComponent):
                     chooser_players.append(player)
             else:
                 _error.print_error(
-                    "got nonexistent player in Activity._begin()")
+                    'got nonexistent player in Activity._begin()')
 
         # Add teams in one by one and send team-joined messages for each.
         for team in session.teams:
             if team in self.teams:
-                raise Exception("Duplicate Team Entry")
+                raise Exception('Duplicate Team Entry')
             self.teams.append(team)
             try:
                 with _ba.Context(self):
@@ -639,15 +639,15 @@ class Activity(DependencyComponent):
         # at some point.
         if not self._called_activity_on_transition_in:
             _error.print_error(
-                "ba.Activity.on_transition_in() never got called for " +
+                'ba.Activity.on_transition_in() never got called for ' +
-                str(self) + "; did you forget to call it"
+                str(self) + '; did you forget to call it'
-                " in your on_transition_in override?")
+                ' in your on_transition_in override?')
 
         # Make sure that ba.Activity.on_begin() got called at some point.
         if not self._called_activity_on_begin:
             _error.print_error(
-                "ba.Activity.on_begin() never got called for " + str(self) +
+                'ba.Activity.on_begin() never got called for ' + str(self) +
-                "; did you forget to call it in your on_begin override?")
+                '; did you forget to call it in your on_begin override?')
 
         # If the whole session wants to die and was waiting on us, can get
         # that going now.

assets/src/ba_data/python/ba/_app.py

@@ -558,14 +558,14 @@ class App:
         server_addr = _ba.get_master_server_address()
         if 'localhost' in server_addr:
             _ba.timer(2.0,
-                      lambda: _ba.screenmessage("Note: using local server",
+                      lambda: _ba.screenmessage('Note: using local server',
                                                 (1, 1, 0),
                                                 log=True),
                       timetype=TimeType.REAL)
         elif 'test' in server_addr:
             _ba.timer(
                 2.0,
-                lambda: _ba.screenmessage("Note: using test server-module",
+                lambda: _ba.screenmessage('Note: using test server-module',
                                           (1, 1, 0),
                                           log=True),
                 timetype=TimeType.REAL)
@@ -729,7 +729,7 @@ class App:
         if args is None:
             args = {}
         if game == '':
-            raise Exception("empty game name")
+            raise Exception('empty game name')
         campaignname, levelname = game.split(':')
         campaign = get_campaign(campaignname)
         levels = campaign.get_levels()
@@ -839,6 +839,6 @@ class App:
         import urllib.request
         try:
             val = urllib.request.urlopen('https://example.com').read()
-            print("HTTPS TEST SUCCESS", len(val))
+            print('HTTPS TEST SUCCESS', len(val))
         except Exception as exc:
-            print("HTTPS TEST FAIL:", exc)
+            print('HTTPS TEST FAIL:', exc)

assets/src/ba_data/python/ba/_appconfig.py

@@ -178,7 +178,7 @@ def commit_app_config(force: bool = False) -> None:
     (internal)
     """
     if not _ba.app.config_file_healthy and not force:
-        print("Current config file is broken; "
+        print('Current config file is broken; '
-              "skipping write to avoid losing settings.")
+              'skipping write to avoid losing settings.')
         return
     _ba.mark_config_dirty()

assets/src/ba_data/python/ba/_benchmark.py

@@ -50,7 +50,7 @@ def run_cpu_benchmark() -> None:
             # Store old graphics settings.
             self._old_quality = _ba.app.config.resolve('Graphics Quality')
             cfg = _ba.app.config
-            cfg['Graphics Quality'] = "Low"
+            cfg['Graphics Quality'] = 'Low'
             cfg.apply()
             self.benchmark_type = 'cpu'
             self.set_activity(_ba.new_activity(tutorial.TutorialActivity))
@@ -100,7 +100,7 @@ def stop_stress_test() -> None:
     _ba.set_stress_testing(False, 0)
     try:
         if _ba.app.stress_test_reset_timer is not None:
-            _ba.screenmessage("Ending stress test...", color=(1, 1, 0))
+            _ba.screenmessage('Ending stress test...', color=(1, 1, 0))
     except Exception:
         pass
     _ba.app.stress_test_reset_timer = None
@@ -156,7 +156,7 @@ def _reset_stress_test(args: Dict[str, Any]) -> None:
 
 def run_gpu_benchmark() -> None:
     """Kick off a benchmark to test gpu speeds."""
-    _ba.screenmessage("FIXME: Not wired up yet.", color=(1, 0, 0))
+    _ba.screenmessage('FIXME: Not wired up yet.', color=(1, 0, 0))
 
 
 def run_media_reload_benchmark() -> None:
@@ -174,7 +174,7 @@ def run_media_reload_benchmark() -> None:
                 _lang.get_resource('debugWindow.totalReloadTimeText').replace(
                     '${TIME}', str(_ba.time(TimeType.REAL) - start_time_2)))
             _ba.print_load_info()
-            if _ba.app.config.resolve("Texture Quality") != 'High':
+            if _ba.app.config.resolve('Texture Quality') != 'High':
                 _ba.screenmessage(_lang.get_resource(
                     'debugWindow.reloadBenchmarkBestResultsText'),
                                   color=(1, 1, 0))

assets/src/ba_data/python/ba/_campaign.py

@@ -64,7 +64,7 @@ class Campaign:
     def add_level(self, level: ba.Level) -> None:
         """Adds a ba.Level to the Campaign."""
         if level.get_campaign() is not None:
-            raise Exception("level already belongs to a campaign")
+            raise Exception('level already belongs to a campaign')
         level.set_campaign(self, len(self._levels))
         self._levels.append(level)
 

assets/src/ba_data/python/ba/_coopgame.py

@@ -69,7 +69,7 @@ class CoopGameActivity(GameActivity):
         levelname = self._get_coop_level_name()
         campaign = self.session.campaign
         assert campaign is not None
-        config_str = (str(len(self.players)) + "p" + campaign.get_level(
+        config_str = (str(len(self.players)) + 'p' + campaign.get_level(
             self.settings['name']).get_score_version_string().replace(
                 ' ', '_'))
         _ba.get_scores_to_beat(levelname, config_str,
@@ -126,7 +126,7 @@ class CoopGameActivity(GameActivity):
 
     def _get_coop_level_name(self) -> str:
         assert self.session.campaign is not None
-        return self.session.campaign.name + ":" + str(self.settings['name'])
+        return self.session.campaign.name + ':' + str(self.settings['name'])
 
     def celebrate(self, duration: float) -> None:
         """Tells all existing player-controlled characters to celebrate.
@@ -244,7 +244,7 @@ class CoopGameActivity(GameActivity):
         """Fade the screen to red; (such as when the good guys have lost)."""
         from ba import _gameutils
         c_existing = _gameutils.sharedobj('globals').tint
-        cnode = _ba.newnode("combine",
+        cnode = _ba.newnode('combine',
                             attrs={
                                 'input0': c_existing[0],
                                 'input1': c_existing[1],

assets/src/ba_data/python/ba/_coopsession.py

@@ -31,7 +31,7 @@ if TYPE_CHECKING:
     import ba
 
 TEAM_COLORS = ((0.2, 0.4, 1.6), )
-TEAM_NAMES = ("Good Guys", )
+TEAM_NAMES = ('Good Guys', )
 
 
 class CoopSession(Session):
@@ -298,7 +298,7 @@ class CoopSession(Session):
                     and self.campaign_state['level'] == 'Onslaught Training'
                     and not app.kiosk_mode):
                 if self._tutorial_activity is None:
-                    raise Exception("tutorial not preloaded properly")
+                    raise Exception('tutorial not preloaded properly')
                 self.set_activity(self._tutorial_activity)
                 self._tutorial_activity = None
                 self._ran_tutorial_activity = True

assets/src/ba_data/python/ba/_dependency.py

@@ -71,10 +71,10 @@ class Dependency(Generic[T]):
         if not isinstance(obj, DependencyComponent):
             if obj is None:
                 raise TypeError(
-                    "Dependency must be accessed through an instance.")
+                    'Dependency must be accessed through an instance.')
             raise TypeError(
-                f"Dependency cannot be added to class of type {type(obj)}"
+                f'Dependency cannot be added to class of type {type(obj)}'
-                " (class must inherit from ba.DependencyComponent).")
+                ' (class must inherit from ba.DependencyComponent).')
 
         # We expect to be instantiated from an already living
         # DependencyComponent with valid dep-data in place..
@@ -84,7 +84,7 @@ class Dependency(Generic[T]):
         # there get back to the DependencySet
         entry = getattr(obj, '_dep_entry')
         if entry is None:
-            raise RuntimeError("Invalid dependency access.")
+            raise RuntimeError('Invalid dependency access.')
         entry = entry()
         assert isinstance(entry, DependencyEntry)
         depset = entry.depset()
@@ -211,7 +211,7 @@ class DependencySet(Generic[T]):
         """
 
         if self._resolved:
-            raise Exception("DependencySet has already been resolved.")
+            raise Exception('DependencySet has already been resolved.')
 
         # print('RESOLVING DEP SET')
 
@@ -273,7 +273,7 @@ class DependencySet(Generic[T]):
     def root(self) -> T:
         """The instantiated root DependencyComponent instance for the set."""
         if not self._loaded:
-            raise RuntimeError("DependencySet is not loaded.")
+            raise RuntimeError('DependencySet is not loaded.')
 
         rootdata = self.entries[self._root_dependency.get_hash()].component
         assert isinstance(rootdata, self._root_dependency.cls)
@@ -377,7 +377,7 @@ class TestClassFactory(DependencyComponent):
 
     def __init__(self) -> None:
         super().__init__()
-        print("Instantiating TestClassFactory")
+        print('Instantiating TestClassFactory')
         self.tex = self._assets.gettexture('black')
         self.model = self._assets.getmodel('landMine')
         self.sound = self._assets.getsound('error')
@@ -396,7 +396,7 @@ class TestClass(DependencyComponent):
     _factoryclass2 = Dependency(TestClassFactory, 123)
 
     def __del__(self) -> None:
-        print("~TestClass()")
+        print('~TestClass()')
 
     def __init__(self) -> None:
         super().__init__()
@@ -430,7 +430,7 @@ def test_depset() -> None:
                 depset.load()
                 testobj = depset.root
                 # instance = testclass(123)
-                print("INSTANTIATED ROOT:", testobj)
+                print('INSTANTIATED ROOT:', testobj)
 
         doit()
 

assets/src/ba_data/python/ba/_error.py

@@ -150,7 +150,7 @@ def print_exception(*args: Any, **keywds: Any) -> None:
     if keywds:
         allowed_keywds = ['once']
         if any(keywd not in allowed_keywds for keywd in keywds):
-            raise Exception("invalid keyword(s)")
+            raise Exception('invalid keyword(s)')
     try:
         # If we're only printing once and already have, bail.
         if keywds.get('once', False):

assets/src/ba_data/python/ba/_gameactivity.py

@@ -255,7 +255,7 @@ class GameActivity(Activity):
         """
         from ba import _map
         del sessiontype  # unused arg
-        return _map.getmaps("melee")
+        return _map.getmaps('melee')
 
     @classmethod
     def get_config_display_string(cls, config: Dict[str, Any]) -> ba.Lstr:
@@ -270,14 +270,14 @@ class GameActivity(Activity):
         # In newer configs, map is in settings; it used to be in the
         # config root.
         if 'map' in config['settings']:
-            sval = Lstr(value="${NAME} @ ${MAP}",
+            sval = Lstr(value='${NAME} @ ${MAP}',
                         subs=[('${NAME}', name),
                               ('${MAP}',
                                _map.get_map_display_string(
                                    _map.get_filtered_map_name(
                                        config['settings']['map'])))])
         elif 'map' in config:
-            sval = Lstr(value="${NAME} @ ${MAP}",
+            sval = Lstr(value='${NAME} @ ${MAP}',
                         subs=[('${NAME}', name),
                               ('${MAP}',
                                _map.get_map_display_string(
@@ -327,7 +327,7 @@ class GameActivity(Activity):
             ]
             if not valid_maps:
                 _ba.screenmessage(Lstr(resource='noValidMapsErrorText'))
-                raise Exception("No valid maps")
+                raise Exception('No valid maps')
             map_name = valid_maps[random.randrange(len(valid_maps))]
         self._map_type = _map.get_map_class(map_name)
         self._map_type.preload()
@@ -544,7 +544,7 @@ class GameActivity(Activity):
 
         except Exception:
             from ba import _error
-            _error.print_exception("error continuing game")
+            _error.print_exception('error continuing game')
 
         self.end_game()
 
@@ -613,7 +613,7 @@ class GameActivity(Activity):
             self._game_begin_analytics()
         except Exception:
             from ba import _error
-            _error.print_exception("error in game-begin-analytics")
+            _error.print_exception('error in game-begin-analytics')
 
         # We don't do this in on_transition_in because it may depend on
         # players/teams which aren't available until now.
@@ -720,7 +720,7 @@ class GameActivity(Activity):
         else:
             sb_desc_l = sb_desc_in
         if not isinstance(sb_desc_l[0], str):
-            raise Exception("Invalid format for instance description")
+            raise Exception('Invalid format for instance description')
 
         is_empty = (sb_desc_l[0] == '')
         subs = []
@@ -737,14 +737,14 @@ class GameActivity(Activity):
         sbpos = ((15, yval) if isinstance(self.session, FreeForAllSession) else
                  (15, yval))
         self._game_scoreboard_name_text = NodeActor(
-            _ba.newnode("text",
+            _ba.newnode('text',
                         attrs={
                             'text': sb_name,
                             'maxwidth': 300,
                             'position': sbpos,
-                            'h_attach': "left",
+                            'h_attach': 'left',
                             'vr_depth': 10,
-                            'v_attach': "top",
+                            'v_attach': 'top',
                             'v_align': 'bottom',
                             'color': (1.0, 1.0, 1.0, 1.0),
                             'shadow': 1.0 if vrmode else 0.6,
@@ -763,14 +763,14 @@ class GameActivity(Activity):
                     (17, -44 + 10)))
         self._game_scoreboard_description_text = NodeActor(
             _ba.newnode(
-                "text",
+                'text',
                 attrs={
                     'text': sb_desc,
                     'maxwidth': 480,
                     'position': descpos,
                     'scale': 0.7,
-                    'h_attach': "left",
+                    'h_attach': 'left',
-                    'v_attach': "top",
+                    'v_attach': 'top',
                     'v_align': 'top',
                     'shadow': 1.0 if vrmode else 0.7,
                     'flatness': 1.0 if vrmode else 0.8,
@@ -808,7 +808,7 @@ class GameActivity(Activity):
         else:
             desc_l = desc_in
         if not isinstance(desc_l[0], str):
-            raise Exception("Invalid format for instance description")
+            raise Exception('Invalid format for instance description')
         subs = []
         for i in range(len(desc_l) - 1):
             subs.append(('${ARG' + str(i + 1) + '}', str(desc_l[i + 1])))
@@ -834,7 +834,7 @@ class GameActivity(Activity):
                                 'maxwidth': 700,
                                 'text': translation
                             })
-        cnode = _ba.newnode("combine",
+        cnode = _ba.newnode('combine',
                             owner=dnode,
                             attrs={
                                 'input0': 1.0,
@@ -844,7 +844,7 @@ class GameActivity(Activity):
                             })
         cnode.connectattr('output', dnode, 'color')
         keys = {0.5: 0, 1.0: 1.0, 2.5: 1.0, 4.0: 0.0}
-        animate(cnode, "input3", keys)
+        animate(cnode, 'input3', keys)
         _ba.timer(4.0, dnode.delete)
 
     def _show_tip(self) -> None:
@@ -924,7 +924,7 @@ class GameActivity(Activity):
             if sound is not None:
                 _ba.playsound(sound)
 
-            combine = _ba.newnode("combine",
+            combine = _ba.newnode('combine',
                                   owner=tnode,
                                   attrs={
                                       'input0': 1.0,
@@ -1201,9 +1201,9 @@ class GameActivity(Activity):
                                     attrs={'size': 4})
                 cnode.connectattr('output',
                                   self._standard_time_limit_text.node, 'color')
-                animate(cnode, "input0", {0: 1, 0.15: 1}, loop=True)
+                animate(cnode, 'input0', {0: 1, 0.15: 1}, loop=True)
-                animate(cnode, "input1", {0: 1, 0.15: 0.5}, loop=True)
+                animate(cnode, 'input1', {0: 1, 0.15: 0.5}, loop=True)
-                animate(cnode, "input2", {0: 0.1, 0.15: 0.0}, loop=True)
+                animate(cnode, 'input2', {0: 0.1, 0.15: 0.0}, loop=True)
                 cnode.input3 = 1.0
             _ba.playsound(_ba.getsound('tick'))
         if self._standard_time_limit_time <= 0:
@@ -1220,7 +1220,7 @@ class GameActivity(Activity):
                                    'text': Lstr(resource='timeExpiredText')
                                })
             _ba.playsound(_ba.getsound('refWhistle'))
-            animate(node, "scale", {0.0: 0.0, 0.1: 1.4, 0.15: 1.2})
+            animate(node, 'scale', {0.0: 0.0, 0.1: 1.4, 0.15: 1.2})
 
     def _setup_tournament_time_limit(self, duration: float) -> None:
         """
@@ -1308,9 +1308,9 @@ class GameActivity(Activity):
                 cnode.connectattr('output',
                                   self._tournament_time_limit_text.node,
                                   'color')
-                animate(cnode, "input0", {0: 1, 0.15: 1}, loop=True)
+                animate(cnode, 'input0', {0: 1, 0.15: 1}, loop=True)
-                animate(cnode, "input1", {0: 1, 0.15: 0.5}, loop=True)
+                animate(cnode, 'input1', {0: 1, 0.15: 0.5}, loop=True)
-                animate(cnode, "input2", {0: 0.1, 0.15: 0.0}, loop=True)
+                animate(cnode, 'input2', {0: 0.1, 0.15: 0.0}, loop=True)
                 cnode.input3 = 1.0
             _ba.playsound(_ba.getsound('tick'))
         if self._tournament_time_limit <= 0:
@@ -1329,7 +1329,7 @@ class GameActivity(Activity):
                                    'text': tval
                                })
             _ba.playsound(_ba.getsound('refWhistle'))
-            animate(node, "scale", {0: 0.0, 0.1: 1.4, 0.15: 1.2})
+            animate(node, 'scale', {0: 0.0, 0.1: 1.4, 0.15: 1.2})
 
         # Normally we just connect this to time, but since this is a bit of a
         # funky setup we just update it manually once per second.

assets/src/ba_data/python/ba/_gameresults.py

@@ -64,7 +64,7 @@ class TeamGameResults:
     def set_game(self, game: ba.GameActivity) -> None:
         """Set the game instance these results are applying to."""
         if self._game_set:
-            raise RuntimeError("Game set twice for TeamGameResults.")
+            raise RuntimeError('Game set twice for TeamGameResults.')
         self._game_set = True
         self._teams = [weakref.ref(team) for team in game.teams]
         score_info = game.get_resolved_score_info()

assets/src/ba_data/python/ba/_gameutils.py

@@ -156,10 +156,10 @@ def sharedobj(name: str) -> Any:
             if name == 'globals':
                 obj = _ba.newnode('sessionglobals')
             else:
-                raise Exception("unrecognized shared object "
+                raise Exception('unrecognized shared object '
                                 "(session context): '" + name + "'")
         else:
-            raise Exception("no current activity or session context")
+            raise Exception('no current activity or session context')
 
     # Ok, got a shiny new shared obj; store it for quick access next time.
     sharedobjs[name] = obj
@@ -188,7 +188,7 @@ def animate(node: ba.Node,
     if timetype is TimeType.SIM:
         driver = 'time'
     else:
-        raise Exception("FIXME; only SIM timetype is supported currently.")
+        raise Exception('FIXME; only SIM timetype is supported currently.')
     items = list(keys.items())
     items.sort()
 
@@ -200,7 +200,7 @@ def animate(node: ba.Node,
             # noinspection PyUnresolvedReferences
             _ba.time_format_check(timeformat, item[0])
 
-    curve = _ba.newnode("animcurve",
+    curve = _ba.newnode('animcurve',
                         owner=node,
                         name='Driving ' + str(node) + ' \'' + attr + '\'')
 
@@ -230,8 +230,8 @@ def animate(node: ba.Node,
 
     # Do the connects last so all our attrs are in place when we push initial
     # values through.
-    sharedobj('globals').connectattr(driver, curve, "in")
+    sharedobj('globals').connectattr(driver, curve, 'in')
-    curve.connectattr("out", node, attr)
+    curve.connectattr('out', node, attr)
     return curve
 
 
@@ -255,7 +255,7 @@ def animate_array(node: ba.Node,
     if timetype is TimeType.SIM:
         driver = 'time'
     else:
-        raise Exception("FIXME: Only SIM timetype is supported currently.")
+        raise Exception('FIXME: Only SIM timetype is supported currently.')
     items = list(keys.items())
     items.sort()
 
@@ -275,17 +275,17 @@ def animate_array(node: ba.Node,
         raise Exception('invalid timeformat value: "' + str(timeformat) + '"')
 
     for i in range(size):
-        curve = _ba.newnode("animcurve",
+        curve = _ba.newnode('animcurve',
                             owner=node,
                             name=('Driving ' + str(node) + ' \'' + attr +
                                   '\' member ' + str(i)))
-        sharedobj('globals').connectattr(driver, curve, "in")
+        sharedobj('globals').connectattr(driver, curve, 'in')
         curve.times = [int(mult * time) for time, val in items]
         curve.values = [val[i] for time, val in items]
         curve.offset = _ba.time(timeformat=TimeFormat.MILLISECONDS) + int(
             mult * offset)
         curve.loop = loop
-        curve.connectattr("out", combine, 'input' + str(i))
+        curve.connectattr('out', combine, 'input' + str(i))
 
         # If we're not looping, set a timer to kill this
         # curve after its done its job.
@@ -333,7 +333,7 @@ def show_damage_count(damage: str, position: Sequence[float],
                               'scale': 0.015 if do_big else 0.01
                           })
     # Translate upward.
-    tcombine = _ba.newnode("combine", owner=txtnode, attrs={'size': 3})
+    tcombine = _ba.newnode('combine', owner=txtnode, attrs={'size': 3})
     tcombine.connectattr('output', txtnode, 'position')
     v_vals = []
     pval = 0.0
@@ -345,17 +345,17 @@ def show_damage_count(damage: str, position: Sequence[float],
         vval *= 0.5
     p_start = position[0]
     p_dir = direction[0]
-    animate(tcombine, "input0",
+    animate(tcombine, 'input0',
             {i[0] * lifespan: p_start + p_dir * i[1]
              for i in v_vals})
     p_start = position[1]
     p_dir = direction[1]
-    animate(tcombine, "input1",
+    animate(tcombine, 'input1',
             {i[0] * lifespan: p_start + p_dir * i[1]
              for i in v_vals})
     p_start = position[2]
     p_dir = direction[2]
-    animate(tcombine, "input2",
+    animate(tcombine, 'input2',
             {i[0] * lifespan: p_start + p_dir * i[1]
              for i in v_vals})
     animate(txtnode, 'opacity', {0.7 * lifespan: 1.0, lifespan: 0.0})
@@ -456,7 +456,7 @@ def cameraflash(duration: float = 999.0) -> None:
     activity.camera_flash_data = []  # type: ignore
     for i in range(6):
         light = NodeActor(
-            _ba.newnode("light",
+            _ba.newnode('light',
                         attrs={
                             'position': (positions[i][0], 0, positions[i][1]),
                             'radius': 1.0,
@@ -466,7 +466,7 @@ def cameraflash(duration: float = 999.0) -> None:
                         }))
         sval = 1.87
         iscale = 1.3
-        tcombine = _ba.newnode("combine",
+        tcombine = _ba.newnode('combine',
                                owner=light.node,
                                attrs={
                                    'size': 3,
@@ -497,7 +497,7 @@ def cameraflash(duration: float = 999.0) -> None:
                 },
                 loop=True)
         animate(light.node,
-                "intensity", {
+                'intensity', {
                     0.0: 0,
                     0.02 * sval: 0,
                     0.05 * sval: 0.8 * iscale,

assets/src/ba_data/python/ba/_hooks.py

@@ -269,7 +269,7 @@ def read_config() -> None:
 def ui_remote_press() -> None:
     """Handle a press by a remote device that is only usable for nav."""
     from ba._lang import Lstr
-    _ba.screenmessage(Lstr(resource="internal.controllerForMenusOnlyText"),
+    _ba.screenmessage(Lstr(resource='internal.controllerForMenusOnlyText'),
                       color=(1, 0, 0))
     _ba.playsound(_ba.getsound('error'))
 

assets/src/ba_data/python/ba/_input.py

@@ -48,14 +48,14 @@ def get_device_value(device: ba.InputDevice, name: str) -> Any:
     bs_config = _ba.app.config
 
     # If there's an entry in our config for this controller, use it.
-    if "Controllers" in bs_config:
+    if 'Controllers' in bs_config:
-        ccfgs = bs_config["Controllers"]
+        ccfgs = bs_config['Controllers']
         if devicename in ccfgs:
             mapping = None
             if unique_id in ccfgs[devicename]:
                 mapping = ccfgs[devicename][unique_id]
-            elif "default" in ccfgs[devicename]:
+            elif 'default' in ccfgs[devicename]:
-                mapping = ccfgs[devicename]["default"]
+                mapping = ccfgs[devicename]['default']
             if mapping is not None:
                 return mapping.get(name, -1)
 
@@ -375,7 +375,7 @@ def get_device_value(device: ba.InputDevice, name: str) -> Any:
                 'triggerRun1': 18
             }.get(name, -1)
 
-        if devicename == "virtual-remote":
+        if devicename == 'virtual-remote':
             return {
                 'triggerRun2': 19,
                 'unassignedButtonsRun': False,
@@ -602,7 +602,7 @@ def get_input_device_config(device: ba.InputDevice,
     """
     cfg = _ba.app.config
     name = device.name
-    ccfgs: Dict[str, Any] = cfg.setdefault("Controllers", {})
+    ccfgs: Dict[str, Any] = cfg.setdefault('Controllers', {})
     ccfgs.setdefault(name, {})
     unique_id = device.unique_identifier
     if default:

assets/src/ba_data/python/ba/_lang.py

@@ -466,5 +466,5 @@ def is_custom_unicode_char(char: str) -> bool:
     """Return whether a char is in the custom unicode range we use."""
     assert isinstance(char, str)
     if len(char) != 1:
-        raise Exception("Invalid Input; must be length 1")
+        raise Exception('Invalid Input; must be length 1')
     return 0xE000 <= ord(char) <= 0xF8FF

assets/src/ba_data/python/ba/_level.py

@@ -105,7 +105,7 @@ class Level:
         Campaign.
         """
         if self._index is None:
-            raise RuntimeError("Level is not part of a Campaign")
+            raise RuntimeError('Level is not part of a Campaign')
         return self._index
 
     @property
@@ -170,7 +170,7 @@ class Level:
         can be modified in place."""
         campaign = self.get_campaign()
         if campaign is None:
-            raise Exception("level is not in a campaign")
+            raise Exception('level is not in a campaign')
         campaign_config = campaign.get_config_dict()
         val: Dict[str,
                   Any] = campaign_config.setdefault(self._name, {

assets/src/ba_data/python/ba/_lobby.py

@@ -669,7 +669,7 @@ class Chooser:
             # If we've been removed from the lobby, ignore this stuff.
             if self._dead:
                 from ba import _error
-                _error.print_error("chooser got ChangeMessage after dying")
+                _error.print_error('chooser got ChangeMessage after dying')
                 return
 
             if not self._text_node:

assets/src/ba_data/python/ba/_map.py

@@ -156,7 +156,7 @@ class Map(Actor):
     functionality comprising a game map.
     """
     defs: Any = None
-    name = "Map"
+    name = 'Map'
     _playtypes: List[str] = []
 
     @classmethod
@@ -226,14 +226,14 @@ class Map(Actor):
         gnode = _gameutils.sharedobj('globals')
 
         # Set area-of-interest bounds.
-        aoi_bounds = self.get_def_bound_box("area_of_interest_bounds")
+        aoi_bounds = self.get_def_bound_box('area_of_interest_bounds')
         if aoi_bounds is None:
             print('WARNING: no "aoi_bounds" found for map:', self.get_name())
             aoi_bounds = (-1, -1, -1, 1, 1, 1)
         gnode.area_of_interest_bounds = aoi_bounds
 
         # Set map bounds.
-        map_bounds = self.get_def_bound_box("map_bounds")
+        map_bounds = self.get_def_bound_box('map_bounds')
         if map_bounds is None:
             print('WARNING: no "map_bounds" found for map:', self.get_name())
             map_bounds = (-30, -10, -30, 30, 100, 30)
@@ -268,7 +268,7 @@ class Map(Actor):
                                  or [(0, 0, 0, 0, 0, 0)])
         self.spawn_by_flag_points = (self.get_def_points('spawn_by_flag')
                                      or [(0, 0, 0, 0, 0, 0)])
-        self.flag_points = self.get_def_points("flag") or [(0, 0, 0)]
+        self.flag_points = self.get_def_points('flag') or [(0, 0, 0)]
 
         # We just want points.
         self.flag_points = [p[:3] for p in self.flag_points]
@@ -282,7 +282,7 @@ class Map(Actor):
         self.powerup_spawn_points = ([
             p[:3] for p in self.powerup_spawn_points
         ])
-        self.tnt_points = self.get_def_points("tnt") or []
+        self.tnt_points = self.get_def_points('tnt') or []
 
         # We just want points.
         self.tnt_points = [p[:3] for p in self.tnt_points]
@@ -331,7 +331,7 @@ class Map(Actor):
         If none are defined, returns an empty list.
         """
         point_list = []
-        if self.defs and name + "1" in self.defs.points:
+        if self.defs and name + '1' in self.defs.points:
             i = 1
             while name + str(i) in self.defs.points:
                 pts = self.defs.points[name + str(i)]
@@ -339,7 +339,7 @@ class Map(Actor):
                     point_list.append(pts)
                 else:
                     if len(pts) != 3:
-                        raise Exception("invalid point")
+                        raise Exception('invalid point')
                     point_list.append(pts + (0, 0, 0))
                 i += 1
         return point_list
@@ -427,5 +427,5 @@ class Map(Actor):
 def register_map(maptype: Type[Map]) -> None:
     """Register a map class with the game."""
     if maptype.name in _ba.app.maps:
-        raise Exception("map \"" + maptype.name + "\" already registered")
+        raise Exception('map "' + maptype.name + '" already registered')
     _ba.app.maps[maptype.name] = maptype

assets/src/ba_data/python/ba/_meta.py

@@ -360,5 +360,5 @@ def get_unowned_game_types() -> Set[Type[ba.GameActivity]]:
         return unowned_games
     except Exception:
         from ba import _error
-        _error.print_exception("error calcing un-owned games")
+        _error.print_exception('error calcing un-owned games')
         return set()

assets/src/ba_data/python/ba/_modutils.py

@@ -112,22 +112,22 @@ def create_user_system_scripts() -> None:
     path = (app.python_directory_user + '/sys/' + app.version)
     if os.path.exists(path):
         shutil.rmtree(path)
-    if os.path.exists(path + "_tmp"):
+    if os.path.exists(path + '_tmp'):
-        shutil.rmtree(path + "_tmp")
+        shutil.rmtree(path + '_tmp')
     os.makedirs(path + '_tmp', exist_ok=True)
 
     # Hmm; shutil.copytree doesn't seem to work nicely on android,
     # so lets do it manually.
     # NOTE: Should retry this now that we have 3.7 (this note was for 2.7)
     src_dir = app.python_directory_ba
-    dst_dir = path + "_tmp"
+    dst_dir = path + '_tmp'
     filenames = os.listdir(app.python_directory_ba)
     for fname in filenames:
         print('COPYING', src_dir + '/' + fname, '->', dst_dir)
         shutil.copyfile(src_dir + '/' + fname, dst_dir + '/' + fname)
 
-    print('MOVING', path + "_tmp", path)
+    print('MOVING', path + '_tmp', path)
-    shutil.move(path + "_tmp", path)
+    shutil.move(path + '_tmp', path)
     print(
         ('Created system scripts at :\'' + path +
          '\'\nRestart Ballistica to use them. (use ba.quit() to exit the game)'

assets/src/ba_data/python/ba/_multiteamsession.py

@@ -33,7 +33,7 @@ if TYPE_CHECKING:
     import ba
 
 DEFAULT_TEAM_COLORS = ((0.1, 0.25, 1.0), (1.0, 0.25, 0.2))
-DEFAULT_TEAM_NAMES = ("Blue", "Red")
+DEFAULT_TEAM_NAMES = ('Blue', 'Red')
 
 
 class MultiTeamSession(Session):
@@ -117,7 +117,7 @@ class MultiTeamSession(Session):
                                                       add_resolved_type=True)
 
         if not playlist_resolved:
-            raise RuntimeError("Playlist contains no valid games.")
+            raise RuntimeError('Playlist contains no valid games.')
 
         self._playlist = ShuffleList(playlist_resolved,
                                      shuffle=self._playlist_randomize)
@@ -263,7 +263,7 @@ class MultiTeamSession(Session):
         from ba._freeforallsession import FreeForAllSession
         from ba._messages import CelebrateMessage
         _ba.timer(delay,
-                  _general.Call(_ba.playsound, _ba.getsound("boxingBell")))
+                  _general.Call(_ba.playsound, _ba.getsound('boxingBell')))
         if announce_winning_team:
             winning_team = results.get_winning_team()
             if winning_team is not None:

assets/src/ba_data/python/ba/_music.py

@@ -191,7 +191,7 @@ class MusicController:
         """Returns the system music player, instantiating if necessary."""
         if self._music_player is None:
             if self._music_player_type is None:
-                raise Exception("no music player type set")
+                raise Exception('no music player type set')
             self._music_player = self._music_player_type()
         return self._music_player
 
@@ -248,11 +248,11 @@ class MusicController:
                   and isinstance(entry['name'], str)):
                 entry_type = entry['type']
             else:
-                raise Exception("invalid soundtrack entry: " + str(entry) +
+                raise Exception('invalid soundtrack entry: ' + str(entry) +
-                                " (type " + str(type(entry)) + ")")
+                                ' (type ' + str(type(entry)) + ')')
             if self.supports_soundtrack_entry_type(entry_type):
                 return entry_type
-            raise Exception("invalid soundtrack entry:" + str(entry))
+            raise Exception('invalid soundtrack entry:' + str(entry))
         except Exception as exc:
             print('EXC on get_soundtrack_entry_type', exc)
             return 'default'
@@ -272,7 +272,7 @@ class MusicController:
                     and isinstance(entry['type'], str) and 'name' in entry
                     and isinstance(entry['name'], str)):
                 return entry['name']
-            raise Exception("invalid soundtrack entry:" + str(entry))
+            raise Exception('invalid soundtrack entry:' + str(entry))
         except Exception:
             from ba import _error
             _error.print_exception()
@@ -352,7 +352,7 @@ class MusicController:
             try:
                 soundtrack = cfg.get('Soundtracks', {})[soundtrackname]
             except Exception as exc:
-                print(f"Error looking up user soundtrack: {exc}")
+                print(f'Error looking up user soundtrack: {exc}')
                 soundtrack = {}
         return soundtrack
 

assets/src/ba_data/python/ba/_netutils.py

@@ -56,7 +56,7 @@ def get_ip_address_type(addr: str) -> socket.AddressFamily:
         except OSError:
             pass
     if socket_type is None:
-        raise Exception("addr seems to be neither v4 or v6: " + str(addr))
+        raise Exception('addr seems to be neither v4 or v6: ' + str(addr))
     return socket_type
 
 
@@ -111,7 +111,7 @@ class ServerCallThread(threading.Thread):
         from ba import _general
         try:
             self._data = _general.utf8_all(self._data)
-            _ba.set_thread_name("BA_ServerCallThread")
+            _ba.set_thread_name('BA_ServerCallThread')
 
             # Seems pycharm doesn't know about urllib.parse.
             # noinspection PyUnresolvedReferences
@@ -129,7 +129,7 @@ class ServerCallThread(threading.Thread):
                         parse.urlencode(self._data).encode(),
                         {'User-Agent': _ba.app.user_agent_string}))
             else:
-                raise Exception("Invalid request_type: " + self._request_type)
+                raise Exception('Invalid request_type: ' + self._request_type)
 
             # If html request failed.
             if response.getcode() != 200:

assets/src/ba_data/python/ba/_playlist.py

@@ -80,7 +80,7 @@ def filter_playlist(playlist: PlaylistType,
         # the actual game class. add successful ones to our initial list
         # to present to the user.
         if not isinstance(entry['type'], str):
-            raise Exception("invalid entry format")
+            raise Exception('invalid entry format')
         try:
             # Do some type filters for backwards compat.
             if entry['type'] in ('Assault.AssaultGame',

assets/src/ba_data/python/ba/_session.py

@@ -179,7 +179,7 @@ class Session:
         self._activity_weak: ReferenceType[ba.Activity]
         self._activity_weak = weakref.ref(_EmptyObj())  # type: ignore
         if self._activity_weak() is not None:
-            raise Exception("Error creating empty activity weak ref.")
+            raise Exception('Error creating empty activity weak ref.')
 
         self._next_activity: Optional[ba.Activity] = None
         self.wants_to_end = False
@@ -299,7 +299,7 @@ class Session:
                 # Testing; can remove this eventually.
                 if isinstance(self, FreeForAllSession):
                     if len(team.players) != 1:
-                        _error.print_error("expected 1 player in FFA team")
+                        _error.print_error('expected 1 player in FFA team')
                 team.players.remove(player)
 
             # Remove player from any current activity.
@@ -316,7 +316,7 @@ class Session:
                             'exception in on_player_leave for activity',
                             activity)
                 else:
-                    _error.print_error("expired activity in on_player_leave;"
+                    _error.print_error('expired activity in on_player_leave;'
                                        " shouldn't happen")
 
                 player.set_activity(None)
@@ -350,7 +350,7 @@ class Session:
                                 activity)
                     else:
                         _error.print_error(
-                            "expired activity in on_player_leave p2"
+                            'expired activity in on_player_leave p2'
                             "; shouldn't happen")
 
                     # Clear the team's game-data (so dying stuff will
@@ -413,8 +413,8 @@ class Session:
                 if since_last < 30.0:
                     return
                 _error.print_error(
-                    "launch_end_session_activity called twice (since_last=" +
+                    'launch_end_session_activity called twice (since_last=' +
-                    str(since_last) + ")")
+                    str(since_last) + ')')
             self.launch_end_session_activity_time = curtime
             self.set_activity(_ba.new_activity(EndSessionActivity))
             self.wants_to_end = False
@@ -505,7 +505,7 @@ class Session:
         # Sanity test: make sure this doesn't get called recursively.
         if self._in_set_activity:
             raise Exception(
-                "Session.set_activity() cannot be called recursively.")
+                'Session.set_activity() cannot be called recursively.')
 
         if activity.session is not _ba.getsession():
             raise Exception("Provided Activity's Session is not current.")
@@ -515,12 +515,12 @@ class Session:
             return
 
         if activity is self._activity_retained:
-            _error.print_error("activity set to already-current activity")
+            _error.print_error('activity set to already-current activity')
             return
 
         if self._next_activity is not None:
-            raise Exception("Activity switch already in progress (to " +
+            raise Exception('Activity switch already in progress (to ' +
-                            str(self._next_activity) + ")")
+                            str(self._next_activity) + ')')
 
         self._in_set_activity = True
 
@@ -781,7 +781,7 @@ class Session:
             if pass_to_activity:
                 if team in activity.teams:
                     _error.print_error(
-                        "Duplicate team ID in ba.Session._add_chosen_player")
+                        'Duplicate team ID in ba.Session._add_chosen_player')
                 activity.teams.append(team)
                 try:
                     with _ba.Context(activity):
@@ -799,7 +799,7 @@ class Session:
         if pass_to_activity:
             if isinstance(self, _freeforallsession.FreeForAllSession):
                 if player.team.players:
-                    _error.print_error("expected 0 players in FFA team")
+                    _error.print_error('expected 0 players in FFA team')
 
             # Don't actually add the player to their team list if we're not
             # in an activity. (players get (re)added to their team lists

assets/src/ba_data/python/ba/_team.py

@@ -69,7 +69,7 @@ class Team:
 
     def __init__(self,
                  team_id: int = 0,
-                 name: Union[ba.Lstr, str] = "",
+                 name: Union[ba.Lstr, str] = '',
                  color: Sequence[float] = (1.0, 1.0, 1.0)):
         """Instantiate a ba.Team.
 

assets/src/ba_data/python/ba/_teamgame.py

@@ -165,5 +165,5 @@ class TeamGameActivity(GameActivity):
                 delay = 0.0
             else:
                 delay = 2.0
-                _ba.timer(0.1, Call(_ba.playsound, _ba.getsound("boxingBell")))
+                _ba.timer(0.1, Call(_ba.playsound, _ba.getsound('boxingBell')))
             super().end(results, delay=delay, force=force)

assets/src/ba_data/python/ba/macmusicapp.py

@@ -88,7 +88,7 @@ class _MacMusicAppThread(threading.Thread):
         from ba._general import Call
         from ba._lang import Lstr
         from ba._enums import TimeType
-        _ba.set_thread_name("BA_MacMusicAppThread")
+        _ba.set_thread_name('BA_MacMusicAppThread')
         _ba.mac_music_app_init()
 
         # Let's mention to the user we're launching Music.app in case
@@ -244,7 +244,7 @@ class _MacMusicAppThread(threading.Thread):
         except Exception:
             from ba import _error
             _error.print_exception(
-                f"error playing playlist {self._current_playlist}")
+                f'error playing playlist {self._current_playlist}')
 
     def _update_mac_music_app_volume(self) -> None:
         _ba.mac_music_app_set_volume(

assets/src/ba_data/python/ba/osmusic.py

@@ -124,7 +124,7 @@ class _PickFolderSongThread(threading.Thread):
         from ba import _lang
         from ba._general import Call
         try:
-            _ba.set_thread_name("BA_PickFolderSongThread")
+            _ba.set_thread_name('BA_PickFolderSongThread')
             all_files: List[str] = []
             valid_extensions = ['.' + x for x in self._valid_extensions]
             for root, _subdirs, filenames in os.walk(self._path):

assets/src/ba_data/python/bastd/activity/coopjoin.py

@@ -41,10 +41,10 @@ class CoopJoinActivity(JoinActivity):
 
         # Let's show a list of scores-to-beat for 1 player at least.
         assert session.campaign is not None
-        level_name_full = (session.campaign.name + ":" +
+        level_name_full = (session.campaign.name + ':' +
                            session.campaign_state['level'])
         config_str = (
-            "1p" + session.campaign.get_level(session.campaign_state['level']).
+            '1p' + session.campaign.get_level(session.campaign_state['level']).
             get_score_version_string().replace(' ', '_'))
         _ba.get_scores_to_beat(level_name_full, config_str,
                                ba.WeakCall(self._on_got_scores_to_beat))
@@ -163,7 +163,7 @@ class CoopJoinActivity(JoinActivity):
 
             # Now list our remaining achievements for this level.
             assert self.session.campaign is not None
-            levelname = (self.session.campaign.name + ":" +
+            levelname = (self.session.campaign.name + ':' +
                          self.session.campaign_state['level'])
             ts_h_offs = 60
 

assets/src/ba_data/python/bastd/activity/coopscore.py

@@ -54,8 +54,8 @@ class CoopScoreScreen(ba.Activity):
 
         self._do_new_rating: bool = self.session.tournament_id is not None
 
-        self._score_display_sound = ba.getsound("scoreHit01")
+        self._score_display_sound = ba.getsound('scoreHit01')
-        self._score_display_sound_small = ba.getsound("scoreHit02")
+        self._score_display_sound_small = ba.getsound('scoreHit02')
         self.drum_roll_sound = ba.getsound('drumRoll')
         self.cymbal_sound = ba.getsound('cymbal')
 
@@ -68,7 +68,7 @@ class CoopScoreScreen(ba.Activity):
         self._campaign: ba.Campaign = settings['campaign']
 
         self._have_achievements = bool(
-            get_achievements_for_coop_level(self._campaign.name + ":" +
+            get_achievements_for_coop_level(self._campaign.name + ':' +
                                             settings['level']))
 
         self._account_type = (_ba.get_account_type() if
@@ -149,7 +149,7 @@ class CoopScoreScreen(ba.Activity):
         self._score_order: str
         if 'score_order' in settings:
             if not settings['score_order'] in ['increasing', 'decreasing']:
-                raise Exception("Invalid score order: " +
+                raise Exception('Invalid score order: ' +
                                 settings['score_order'])
             self._score_order = settings['score_order']
         else:
@@ -159,7 +159,7 @@ class CoopScoreScreen(ba.Activity):
         self._score_type: str
         if 'score_type' in settings:
             if not settings['score_type'] in ['points', 'time']:
-                raise Exception("Invalid score type: " +
+                raise Exception('Invalid score type: ' +
                                 settings['score_type'])
             self._score_type = settings['score_type']
         else:
@@ -169,9 +169,9 @@ class CoopScoreScreen(ba.Activity):
         self._level_name: str = settings['level']
         assert isinstance(self._level_name, str)
 
-        self._game_name_str = self._campaign.name + ":" + self._level_name
+        self._game_name_str = self._campaign.name + ':' + self._level_name
         self._game_config_str = str(len(
-            self._player_info)) + "p" + self._campaign.get_level(
+            self._player_info)) + 'p' + self._campaign.get_level(
                 self._level_name).get_score_version_string().replace(' ', '_')
 
         # If game-center/etc scores are available we show our friends'
@@ -540,7 +540,7 @@ class CoopScoreScreen(ba.Activity):
             # as current.
             if self._newly_complete:
                 cfg = ba.app.config
-                cfg['Selected Coop Game'] = (self._campaign.name + ":" +
+                cfg['Selected Coop Game'] = (self._campaign.name + ':' +
                                              self._next_level_name)
                 cfg.commit()
                 self._campaign.set_selected_level(self._next_level_name)
@@ -660,10 +660,10 @@ class CoopScoreScreen(ba.Activity):
             self._level_name).get_high_scores()
         try:
             our_high_scores = our_high_scores_all[str(len(self._player_info)) +
-                                                  " Player"]
+                                                  ' Player']
         except Exception:
             our_high_scores = our_high_scores_all[str(len(self._player_info)) +
-                                                  " Player"] = []
+                                                  ' Player'] = []
 
         if self._score is not None:
             our_score: Optional[list] = [
@@ -1027,7 +1027,7 @@ class CoopScoreScreen(ba.Activity):
                 self._score_link = results['link']
                 assert self._score_link is not None
                 if not self._score_link.startswith('http://'):
-                    self._score_link = (_ba.get_master_server_address() + "/" +
+                    self._score_link = (_ba.get_master_server_address() + '/' +
                                         self._score_link)
                 self._score_loading_status = None
                 if 'tournamentSecondsRemaining' in results:
@@ -1250,7 +1250,7 @@ class CoopScoreScreen(ba.Activity):
                              transition_delay=2.0).autoretain()
                         vval -= 35
         except Exception:
-            ba.print_exception("error showing prize ranges")
+            ba.print_exception('error showing prize ranges')
 
         if self._do_new_rating:
             if error:

assets/src/ba_data/python/bastd/activity/multiteamscore.py

@@ -37,8 +37,8 @@ class MultiTeamScoreScreenActivity(ScoreScreenActivity):
 
     def __init__(self, settings: Dict[str, Any]):
         super().__init__(settings=settings)
-        self._score_display_sound = ba.getsound("scoreHit01")
+        self._score_display_sound = ba.getsound('scoreHit01')
-        self._score_display_sound_small = ba.getsound("scoreHit02")
+        self._score_display_sound_small = ba.getsound('scoreHit02')
 
         self._show_up_next: bool = True
 

assets/src/ba_data/python/bastd/actor/background.py

@@ -109,13 +109,13 @@ class Background(ba.Actor):
                     for _i in range(10):
                         keys[timeval] = (random.random() - 0.5) * 0.0015
                         timeval += random.random() * 0.1
-                    ba.animate(cmb, "input0", keys, loop=True)
+                    ba.animate(cmb, 'input0', keys, loop=True)
                     keys = {}
                     timeval = 0.0
                     for _i in range(10):
                         keys[timeval] = (random.random() - 0.5) * 0.0015 + 0.05
                         timeval += random.random() * 0.1
-                    ba.animate(cmb, "input1", keys, loop=True)
+                    ba.animate(cmb, 'input1', keys, loop=True)
 
     def __del__(self) -> None:
         # Normal actors don't get sent DieMessages when their
@@ -132,8 +132,8 @@ class Background(ba.Actor):
             # since it was part of the session's scene.
             # Let's make sure that's the case.
             # (since otherwise we have no way to kill it)
-            ba.print_error("got None session on Background _die"
+            ba.print_error('got None session on Background _die'
-                           " (and node still exists!)")
+                           ' (and node still exists!)')
         elif session is not None:
             with ba.Context(session):
                 if not self._dying and self.node:
@@ -142,7 +142,7 @@ class Background(ba.Actor):
                         self.node.delete()
                     else:
                         ba.animate(self.node,
-                                   "opacity", {
+                                   'opacity', {
                                        0.0: 1.0,
                                        self.fade_time: 0.0
                                    },

assets/src/ba_data/python/bastd/actor/bomb.py

@@ -318,7 +318,7 @@ class Blast(ba.Actor):
                  position: Sequence[float] = (0.0, 1.0, 0.0),
                  velocity: Sequence[float] = (0.0, 0.0, 0.0),
                  blast_radius: float = 2.0,
-                 blast_type: str = "normal",
+                 blast_type: str = 'normal',
                  source_player: ba.Player = None,
                  hit_type: str = 'explosion',
                  hit_subtype: str = 'normal'):
@@ -355,14 +355,14 @@ class Blast(ba.Actor):
 
         # throw in an explosion and flash
         evel = (velocity[0], max(-1.0, velocity[1]), velocity[2])
-        explosion = ba.newnode("explosion",
+        explosion = ba.newnode('explosion',
                                attrs={
                                    'position': position,
                                    'velocity': evel,
                                    'radius': self.radius,
                                    'big': (self.blast_type == 'tnt')
                                })
-        if self.blast_type == "ice":
+        if self.blast_type == 'ice':
             explosion.color = (0, 0.05, 0.4)
 
         ba.timer(1.0, explosion.delete)
@@ -535,7 +535,7 @@ class Blast(ba.Actor):
 
         iscale = 1.6
         ba.animate(
-            light, "intensity", {
+            light, 'intensity', {
                 0: 2.0 * iscale,
                 scl * 0.02: 0.1 * iscale,
                 scl * 0.025: 0.2 * iscale,
@@ -547,7 +547,7 @@ class Blast(ba.Actor):
                 scl * 3.0: 0.0
             })
         ba.animate(
-            light, "radius", {
+            light, 'radius', {
                 0: light_radius * 0.2,
                 scl * 0.05: light_radius * 0.55,
                 scl * 0.1: light_radius * 0.3,
@@ -566,7 +566,7 @@ class Blast(ba.Actor):
         if self.blast_type == 'ice':
             scorch.color = (1, 1, 1.5)
 
-        ba.animate(scorch, "presence", {3.000: 1, 13.000: 0})
+        ba.animate(scorch, 'presence', {3.000: 1, 13.000: 0})
         ba.timer(13.0, scorch.delete)
 
         if self.blast_type == 'ice':
@@ -602,7 +602,7 @@ class Blast(ba.Actor):
                 self.node.delete()
 
         elif isinstance(msg, ExplodeHitMessage):
-            node = ba.get_collision_info("opposing_node")
+            node = ba.get_collision_info('opposing_node')
             if node:
                 assert self.node
                 nodepos = self.node.position
@@ -624,7 +624,7 @@ class Blast(ba.Actor):
                                   hit_subtype=self.hit_subtype,
                                   radius=self.radius,
                                   source_player=self.source_player))
-                if self.blast_type == "ice":
+                if self.blast_type == 'ice':
                     ba.playsound(get_factory().freeze_sound,
                                  10,
                                  position=nodepos)
@@ -664,7 +664,7 @@ class Bomb(ba.Actor):
 
         if bomb_type not in ('ice', 'impact', 'land_mine', 'normal', 'sticky',
                              'tnt'):
-            raise Exception("invalid bomb type: " + bomb_type)
+            raise Exception('invalid bomb type: ' + bomb_type)
         self.bomb_type = bomb_type
 
         self._exploded = False
@@ -828,7 +828,7 @@ class Bomb(ba.Actor):
             ba.timer(fuse_time,
                      ba.WeakCall(self.handlemessage, ExplodeMessage()))
 
-        ba.animate(self.node, "model_scale", {0: 0, 0.2: 1.3, 0.26: 1})
+        ba.animate(self.node, 'model_scale', {0: 0, 0.2: 1.3, 0.26: 1})
 
     def get_source_player(self) -> Optional[ba.Player]:
         """Returns a ba.Player representing the source of this bomb.
@@ -849,7 +849,7 @@ class Bomb(ba.Actor):
         self.handlemessage(ba.DieMessage())
 
     def _handle_impact(self) -> None:
-        node = ba.get_collision_info("opposing_node")
+        node = ba.get_collision_info('opposing_node')
         # if we're an impact bomb and we came from this node, don't explode...
         # alternately if we're hitting another impact-bomb from the same
         # source, don't explode...
@@ -882,7 +882,7 @@ class Bomb(ba.Actor):
                      lambda: _safesetattr(self.node, 'stick_to_owner', True))
 
     def _handle_splat(self) -> None:
-        node = ba.get_collision_info("opposing_node")
+        node = ba.get_collision_info('opposing_node')
         if (node is not self.owner
                 and ba.time() - self._last_sticky_sound_time > 1.0):
             self._last_sticky_sound_time = ba.time()
@@ -1001,7 +1001,7 @@ class Bomb(ba.Actor):
                      ba.WeakCall(self.handlemessage, ExplodeMessage()),
                      timeformat=ba.TimeFormat.MILLISECONDS)
         assert self.node
-        self.node.handlemessage("impulse", msg.pos[0], msg.pos[1], msg.pos[2],
+        self.node.handlemessage('impulse', msg.pos[0], msg.pos[1], msg.pos[2],
                                 msg.velocity[0], msg.velocity[1],
                                 msg.velocity[2], msg.magnitude,
                                 msg.velocity_magnitude, msg.radius, 0,

assets/src/ba_data/python/bastd/actor/flag.py

@@ -214,7 +214,7 @@ class Flag(ba.Actor):
         finalmaterials = (
             [ba.sharedobj('object_material'), factory.flagmaterial] +
             materials)
-        self.node = ba.newnode("flag",
+        self.node = ba.newnode('flag',
                                attrs={
                                    'position':
                                        (position[0], position[1] + 0.75,
@@ -340,7 +340,7 @@ class Flag(ba.Actor):
             assert self.node
             assert msg.force_direction is not None
             self.node.handlemessage(
-                "impulse", msg.pos[0], msg.pos[1], msg.pos[2], msg.velocity[0],
+                'impulse', msg.pos[0], msg.pos[1], msg.pos[2], msg.velocity[0],
                 msg.velocity[1], msg.velocity[2], msg.magnitude,
                 msg.velocity_magnitude, msg.radius, 0, msg.force_direction[0],
                 msg.force_direction[1], msg.force_direction[2])

assets/src/ba_data/python/bastd/actor/onscreencountdown.py

@@ -105,9 +105,9 @@ class OnScreenCountdown(ba.Actor):
             self.node.scale *= 1.2
             cmb = ba.newnode('combine', owner=self.node, attrs={'size': 4})
             cmb.connectattr('output', self.node, 'color')
-            ba.animate(cmb, "input0", {0: 1.0, 0.15: 1.0}, loop=True)
+            ba.animate(cmb, 'input0', {0: 1.0, 0.15: 1.0}, loop=True)
-            ba.animate(cmb, "input1", {0: 1.0, 0.15: 0.5}, loop=True)
+            ba.animate(cmb, 'input1', {0: 1.0, 0.15: 0.5}, loop=True)
-            ba.animate(cmb, "input2", {0: 0.1, 0.15: 0.0}, loop=True)
+            ba.animate(cmb, 'input2', {0: 0.1, 0.15: 0.0}, loop=True)
             cmb.input3 = 1.0
         if tval <= 10 and not self._ended:
             ba.playsound(ba.getsound('tick'))

assets/src/ba_data/python/bastd/actor/playerspaz.py

@@ -93,7 +93,7 @@ class PlayerSpaz(Spaz):
     def __init__(self,
                  color: Sequence[float] = (1.0, 1.0, 1.0),
                  highlight: Sequence[float] = (0.5, 0.5, 0.5),
-                 character: str = "Spaz",
+                 character: str = 'Spaz',
                  player: ba.Player = None,
                  powerups_expire: bool = True):
         """Create a spaz for the provided ba.Player.
@@ -233,7 +233,7 @@ class PlayerSpaz(Spaz):
             super().handlemessage(msg)  # Augment standard behavior.
             self.held_count -= 1
             if self.held_count < 0:
-                print("ERROR: spaz held_count < 0")
+                print('ERROR: spaz held_count < 0')
 
             # Let's count someone dropping us as an attack.
             try:

assets/src/ba_data/python/bastd/actor/powerupbox.py

@@ -105,21 +105,21 @@ class PowerupBoxFactory:
         """
         from ba.internal import get_default_powerup_distribution
         self._lastpoweruptype: Optional[str] = None
-        self.model = ba.getmodel("powerup")
+        self.model = ba.getmodel('powerup')
-        self.model_simple = ba.getmodel("powerupSimple")
+        self.model_simple = ba.getmodel('powerupSimple')
-        self.tex_bomb = ba.gettexture("powerupBomb")
+        self.tex_bomb = ba.gettexture('powerupBomb')
-        self.tex_punch = ba.gettexture("powerupPunch")
+        self.tex_punch = ba.gettexture('powerupPunch')
-        self.tex_ice_bombs = ba.gettexture("powerupIceBombs")
+        self.tex_ice_bombs = ba.gettexture('powerupIceBombs')
-        self.tex_sticky_bombs = ba.gettexture("powerupStickyBombs")
+        self.tex_sticky_bombs = ba.gettexture('powerupStickyBombs')
-        self.tex_shield = ba.gettexture("powerupShield")
+        self.tex_shield = ba.gettexture('powerupShield')
-        self.tex_impact_bombs = ba.gettexture("powerupImpactBombs")
+        self.tex_impact_bombs = ba.gettexture('powerupImpactBombs')
-        self.tex_health = ba.gettexture("powerupHealth")
+        self.tex_health = ba.gettexture('powerupHealth')
-        self.tex_land_mines = ba.gettexture("powerupLandMines")
+        self.tex_land_mines = ba.gettexture('powerupLandMines')
-        self.tex_curse = ba.gettexture("powerupCurse")
+        self.tex_curse = ba.gettexture('powerupCurse')
-        self.health_powerup_sound = ba.getsound("healthPowerup")
+        self.health_powerup_sound = ba.getsound('healthPowerup')
-        self.powerup_sound = ba.getsound("powerup01")
+        self.powerup_sound = ba.getsound('powerup01')
-        self.powerdown_sound = ba.getsound("powerdown01")
+        self.powerdown_sound = ba.getsound('powerdown01')
-        self.drop_sound = ba.getsound("boxDrop")
+        self.drop_sound = ba.getsound('boxDrop')
 
         # Material for powerups.
         self.powerup_material = ba.Material()
@@ -129,20 +129,20 @@ class PowerupBoxFactory:
 
         # Pass a powerup-touched message to applicable stuff.
         self.powerup_material.add_actions(
-            conditions=("they_have_material", self.powerup_accept_material),
+            conditions=('they_have_material', self.powerup_accept_material),
-            actions=(("modify_part_collision", "collide",
+            actions=(('modify_part_collision', 'collide',
-                      True), ("modify_part_collision", "physical", False),
+                      True), ('modify_part_collision', 'physical', False),
-                     ("message", "our_node", "at_connect", _TouchedMessage())))
+                     ('message', 'our_node', 'at_connect', _TouchedMessage())))
 
         # We don't wanna be picked up.
         self.powerup_material.add_actions(
-            conditions=("they_have_material", ba.sharedobj('pickup_material')),
+            conditions=('they_have_material', ba.sharedobj('pickup_material')),
-            actions=("modify_part_collision", "collide", False))
+            actions=('modify_part_collision', 'collide', False))
 
         self.powerup_material.add_actions(
-            conditions=("they_have_material",
+            conditions=('they_have_material',
                         ba.sharedobj('footing_material')),
-            actions=("impact_sound", self.drop_sound, 0.5, 0.1))
+            actions=('impact_sound', self.drop_sound, 0.5, 0.1))
 
         self._powerupdist: List[str] = []
         for powerup, freq in get_default_powerup_distribution():
@@ -187,7 +187,7 @@ def get_factory() -> PowerupBoxFactory:
     """Return a shared ba.PowerupBoxFactory object, creating if necessary."""
     activity = ba.getactivity()
     if activity is None:
-        raise Exception("no current activity")
+        raise Exception('no current activity')
     try:
         # FIXME: et better way to store stuff with activity
         # pylint: disable=protected-access
@@ -252,10 +252,10 @@ class PowerupBox(ba.Actor):
         elif poweruptype == 'curse':
             tex = factory.tex_curse
         else:
-            raise Exception("invalid poweruptype: " + str(poweruptype))
+            raise Exception('invalid poweruptype: ' + str(poweruptype))
 
         if len(position) != 3:
-            raise Exception("expected 3 floats for position")
+            raise Exception('expected 3 floats for position')
 
         self.node = ba.newnode(
             'prop',
@@ -274,7 +274,7 @@ class PowerupBox(ba.Actor):
             })  # yapf: disable
 
         # Animate in.
-        curve = ba.animate(self.node, "model_scale", {0: 0, 0.14: 1.6, 0.2: 1})
+        curve = ba.animate(self.node, 'model_scale', {0: 0, 0.14: 1.6, 0.2: 1})
         ba.timer(0.2, curve.delete)
 
         if expire:
@@ -305,7 +305,7 @@ class PowerupBox(ba.Actor):
 
         elif isinstance(msg, _TouchedMessage):
             if not self._powersgiven:
-                node = ba.get_collision_info("opposing_node")
+                node = ba.get_collision_info('opposing_node')
                 if node:
                     node.handlemessage(
                         ba.PowerupMessage(self.poweruptype,
@@ -316,7 +316,7 @@ class PowerupBox(ba.Actor):
                 if msg.immediate:
                     self.node.delete()
                 else:
-                    ba.animate(self.node, "model_scale", {0: 1, 0.1: 0})
+                    ba.animate(self.node, 'model_scale', {0: 1, 0.1: 0})
                     ba.timer(0.1, self.node.delete)
 
         elif isinstance(msg, ba.OutOfBoundsMessage):

assets/src/ba_data/python/bastd/actor/scoreboard.py

@@ -232,22 +232,22 @@ class _Entry:
         if flash:
             scale = 2.0
             _safesetattr(
-                self._backing.node, "color",
+                self._backing.node, 'color',
                 (self._backing_color[0] * scale, self._backing_color[1] *
                  scale, self._backing_color[2] * scale))
-            _safesetattr(self._bar.node, "color",
+            _safesetattr(self._bar.node, 'color',
                          (self._barcolor[0] * scale, self._barcolor[1] * scale,
                           self._barcolor[2] * scale))
             if self._do_cover:
                 _safesetattr(
-                    self._cover.node, "color",
+                    self._cover.node, 'color',
                     (self._cover_color[0] * scale, self._cover_color[1] *
                      scale, self._cover_color[2] * scale))
         else:
-            _safesetattr(self._backing.node, "color", self._backing_color)
+            _safesetattr(self._backing.node, 'color', self._backing_color)
-            _safesetattr(self._bar.node, "color", self._barcolor)
+            _safesetattr(self._bar.node, 'color', self._barcolor)
             if self._do_cover:
-                _safesetattr(self._cover.node, "color", self._cover_color)
+                _safesetattr(self._cover.node, 'color', self._cover_color)
 
     def _do_flash(self) -> None:
         assert self._flash_counter is not None
@@ -338,7 +338,7 @@ class Scoreboard:
         Label can be something like 'points' and will
         show up on boards if provided.
         """
-        self._flat_tex = ba.gettexture("null")
+        self._flat_tex = ba.gettexture('null')
         self._entries: Dict[int, _Entry] = {}
         self._label = label
         self.score_split = score_split
@@ -371,7 +371,7 @@ class Scoreboard:
             # create a proxy in the team which will kill
             # our entry when it dies (for convenience)
             if '_scoreboard_entry' in team.gamedata:
-                raise Exception("existing _EntryProxy found")
+                raise Exception('existing _EntryProxy found')
             team.gamedata['_scoreboard_entry'] = _EntryProxy(self, team)
         # now set the entry..
         self._entries[team.get_id()].set_value(score=score,

assets/src/ba_data/python/bastd/actor/spaz.py

@@ -99,7 +99,7 @@ class Spaz(ba.Actor):
     def __init__(self,
                  color: Sequence[float] = (1.0, 1.0, 1.0),
                  highlight: Sequence[float] = (0.5, 0.5, 0.5),
-                 character: str = "Spaz",
+                 character: str = 'Spaz',
                  source_player: ba.Player = None,
                  start_invincible: bool = True,
                  can_accept_powerups: bool = True,
@@ -156,7 +156,7 @@ class Spaz(ba.Actor):
         punchmats = (factory.punch_material, ba.sharedobj('attack_material'))
         pickupmats = (factory.pickup_material, ba.sharedobj('pickup_material'))
         self.node: ba.Node = ba.newnode(
-            type="spaz",
+            type='spaz',
             delegate=self,
             attrs={
                 'color': color,
@@ -311,7 +311,7 @@ class Spaz(ba.Actor):
                 if self._turbo_filter_counts[source] == 15:
                     # Knock 'em out.  That'll learn 'em.
                     assert self.node
-                    self.node.handlemessage("knockout", 500.0)
+                    self.node.handlemessage('knockout', 500.0)
 
                     # Also issue periodic notices about who is turbo-ing.
                     now = ba.time(ba.TimeType.REAL)
@@ -368,7 +368,7 @@ class Spaz(ba.Actor):
             start_scale = self._score_text.scale
             self._score_text.text = text
         if flash:
-            combine = ba.newnode("combine",
+            combine = ba.newnode('combine',
                                  owner=self._score_text,
                                  attrs={'size': 3})
             scl = 1.8
@@ -566,7 +566,7 @@ class Spaz(ba.Actor):
         """
         if not self.node:
             return
-        self.node.handlemessage("move", x, y)
+        self.node.handlemessage('move', x, y)
 
     def on_move_up_down(self, value: float) -> None:
         """
@@ -703,8 +703,8 @@ class Spaz(ba.Actor):
 
         if isinstance(msg, ba.PickedUpMessage):
             if self.node:
-                self.node.handlemessage("hurt_sound")
+                self.node.handlemessage('hurt_sound')
-                self.node.handlemessage("picked_up")
+                self.node.handlemessage('picked_up')
 
             # This counts as a hit.
             self._num_times_hit += 1
@@ -851,7 +851,7 @@ class Spaz(ba.Actor):
                 self._last_hit_time = None
                 self._num_times_hit = 0
 
-            self.node.handlemessage("flash")
+            self.node.handlemessage('flash')
             if msg.source_node:
                 msg.source_node.handlemessage(ba.PowerupAcceptMessage())
             return True
@@ -912,7 +912,7 @@ class Spaz(ba.Actor):
                     # theoretical damage; not apply the impulse.
                     assert msg.force_direction is not None
                     self.node.handlemessage(
-                        "impulse", msg.pos[0], msg.pos[1], msg.pos[2],
+                        'impulse', msg.pos[0], msg.pos[1], msg.pos[2],
                         msg.velocity[0], msg.velocity[1], msg.velocity[2], mag,
                         velocity_mag, msg.radius, 1, msg.force_direction[0],
                         msg.force_direction[1], msg.force_direction[2])
@@ -984,13 +984,13 @@ class Spaz(ba.Actor):
                 # Hit it with an impulse and get the resulting damage.
                 assert msg.force_direction is not None
                 self.node.handlemessage(
-                    "impulse", msg.pos[0], msg.pos[1], msg.pos[2],
+                    'impulse', msg.pos[0], msg.pos[1], msg.pos[2],
                     msg.velocity[0], msg.velocity[1], msg.velocity[2], mag,
                     velocity_mag, msg.radius, 0, msg.force_direction[0],
                     msg.force_direction[1], msg.force_direction[2])
 
                 damage = int(damage_scale * self.node.damage)
-            self.node.handlemessage("hurt_sound")
+            self.node.handlemessage('hurt_sound')
 
             # Play punch impact sound based on damage if it was a punch.
             if msg.hit_type == 'punch':
@@ -999,7 +999,7 @@ class Spaz(ba.Actor):
                 # If damage was significant, lets show it.
                 if damage > 350:
                     assert msg.force_direction is not None
-                    ba.show_damage_count('-' + str(int(damage / 10)) + "%",
+                    ba.show_damage_count('-' + str(int(damage / 10)) + '%',
                                          msg.pos, msg.force_direction)
 
                 # Let's always add in a super-punch sound with boxing
@@ -1041,7 +1041,7 @@ class Spaz(ba.Actor):
                             msg.pos[2] + msg.force_direction[2] * 0.02)
                 flash_color = (1.0, 0.8, 0.4)
                 light = ba.newnode(
-                    "light",
+                    'light',
                     attrs={
                         'position': punchpos,
                         'radius': 0.12 + hurtiness * 0.12,
@@ -1051,7 +1051,7 @@ class Spaz(ba.Actor):
                     })
                 ba.timer(0.06, light.delete)
 
-                flash = ba.newnode("flash",
+                flash = ba.newnode('flash',
                                    attrs={
                                        'position': punchpos,
                                        'size': 0.17 + 0.17 * hurtiness,
@@ -1078,7 +1078,7 @@ class Spaz(ba.Actor):
                     # (so it *can* still kill us if its high enough)
                     newdamage = max(damage - 200, self.hitpoints - 10)
                     damage = newdamage
-                self.node.handlemessage("flash")
+                self.node.handlemessage('flash')
 
                 # If we're holding something, drop it.
                 if damage > 0.0 and self.node.hold_node:
@@ -1132,7 +1132,7 @@ class Spaz(ba.Actor):
             self._last_stand_pos = (msg.position[0], msg.position[1],
                                     msg.position[2])
             if self.node:
-                self.node.handlemessage("stand", msg.position[0],
+                self.node.handlemessage('stand', msg.position[0],
                                         msg.position[1], msg.position[2],
                                         msg.angle)
 
@@ -1142,7 +1142,7 @@ class Spaz(ba.Actor):
         elif isinstance(msg, PunchHitMessage):
             if not self.node:
                 return None
-            node = ba.get_collision_info("opposing_node")
+            node = ba.get_collision_info('opposing_node')
 
             # only allow one hit per node per punch
             if node and (node not in self._punched_nodes):
@@ -1194,7 +1194,7 @@ class Spaz(ba.Actor):
                 if self._hockey:
                     mag *= 0.5
                 if len(self._punched_nodes) == 1:
-                    self.node.handlemessage("kick_back", ppos[0], ppos[1],
+                    self.node.handlemessage('kick_back', ppos[0], ppos[1],
                                             ppos[2], punchdir[0], punchdir[1],
                                             punchdir[2], mag)
         elif isinstance(msg, PickupMessage):
@@ -1365,7 +1365,7 @@ class Spaz(ba.Actor):
                           pos=pos,
                           force_direction=self.node.velocity,
                           hit_type='impact'))
-        self.node.handlemessage("knockout", max(0.0, 50.0 * intensity))
+        self.node.handlemessage('knockout', max(0.0, 50.0 * intensity))
         sounds: Sequence[ba.Sound]
         if intensity > 5.0:
             sounds = get_factory().impact_sounds_harder
@@ -1390,7 +1390,7 @@ class Spaz(ba.Actor):
         assert self.node
         self.node.billboard_texture = tex
         self.node.billboard_cross_out = False
-        ba.animate(self.node, "billboard_opacity", {
+        ba.animate(self.node, 'billboard_opacity', {
             0.0: 0.0,
             0.1: 1.0,
             0.4: 1.0,

assets/src/ba_data/python/bastd/actor/spazbot.py

@@ -526,7 +526,7 @@ class SpazBot(basespaz.Spaz):
             super().handlemessage(msg)  # Augment standard behavior.
             self.held_count -= 1
             if self.held_count < 0:
-                print("ERROR: spaz held_count < 0")
+                print('ERROR: spaz held_count < 0')
 
             # Let's count someone dropping us as an attack.
             try:
@@ -938,7 +938,7 @@ class BotSet:
         spaz = bot_type()
         ba.playsound(self._spawn_sound, position=pos)
         assert spaz.node
-        spaz.node.handlemessage("flash")
+        spaz.node.handlemessage('flash')
         spaz.node.is_area_of_interest = False
         spaz.handlemessage(ba.StandMessage(pos, random.uniform(0, 360)))
         self.add_bot(spaz)
@@ -972,7 +972,7 @@ class BotSet:
             ])
         except Exception:
             bot_list = []
-            ba.print_exception("error updating bot list: " +
+            ba.print_exception('error updating bot list: ' +
                                str(self._bot_lists[self._bot_update_list]))
         self._bot_update_list = (self._bot_update_list +
                                  1) % self._bot_list_count

assets/src/ba_data/python/bastd/actor/text.py

@@ -111,8 +111,8 @@ class Text(ba.Actor):
 
         if transition is self.Transition.FADE_IN:
             if flash:
-                raise Exception("fixme: flash and fade-in"
+                raise Exception('fixme: flash and fade-in'
-                                " currently cant both be on")
+                                ' currently cant both be on')
             cmb = ba.newnode('combine',
                              owner=self.node,
                              attrs={
@@ -125,7 +125,7 @@ class Text(ba.Actor):
             if transition_out_delay is not None:
                 keys[transition_delay + transition_out_delay] = color[3]
                 keys[transition_delay + transition_out_delay + 0.5] = 0.0
-            ba.animate(cmb, "input3", keys)
+            ba.animate(cmb, 'input3', keys)
             cmb.connectattr('output', self.node, 'color')
 
         if flash:
@@ -134,21 +134,21 @@ class Text(ba.Actor):
             tm2 = 0.3
             cmb = ba.newnode('combine', owner=self.node, attrs={'size': 4})
             ba.animate(cmb,
-                       "input0", {
+                       'input0', {
                            0.0: color[0] * mult,
                            tm1: color[0],
                            tm2: color[0] * mult
                        },
                        loop=True)
             ba.animate(cmb,
-                       "input1", {
+                       'input1', {
                            0.0: color[1] * mult,
                            tm1: color[1],
                            tm2: color[1] * mult
                        },
                        loop=True)
             ba.animate(cmb,
-                       "input2", {
+                       'input2', {
                            0.0: color[2] * mult,
                            tm1: color[2],
                            tm2: color[2] * mult

assets/src/ba_data/python/bastd/actor/tipstext.py

@@ -68,7 +68,7 @@ class TipsText(ba.Actor):
             0.001 * (self._message_duration + self._message_spacing),
             ba.WeakCall(self.change_phrase),
             repeat=True)
-        self._combine = ba.newnode("combine",
+        self._combine = ba.newnode('combine',
                                    owner=self.node,
                                    attrs={
                                        'input0': 1.0,
@@ -97,7 +97,7 @@ class TipsText(ba.Actor):
             spc + self._message_duration: 0.0
         }
         ba.animate(self._combine,
-                   "input3", {k: v * 0.5
+                   'input3', {k: v * 0.5
                               for k, v in list(keys.items())},
                    timeformat=ba.TimeFormat.MILLISECONDS)
         self.node.text = next_tip

assets/src/ba_data/python/bastd/actor/zoomtext.py

@@ -47,7 +47,7 @@ class ZoomText(ba.Actor):
                  lifespan: float = None,
                  flash: bool = True,
                  trail: bool = True,
-                 h_align: str = "center",
+                 h_align: str = 'center',
                  color: Sequence[float] = (0.9, 0.4, 0.0),
                  jitter: float = 0.0,
                  trailcolor: Sequence[float] = (1.0, 0.35, 0.1, 0.0),

assets/src/ba_data/python/bastd/game/assault.py

@@ -79,7 +79,7 @@ class AssaultGame(ba.TeamGameActivity):
         if self.settings['Epic Mode']:
             self.slow_motion = True
         self._last_score_time = 0.0
-        self._score_sound = ba.getsound("score")
+        self._score_sound = ba.getsound('score')
         self._base_region_materials: Dict[int, ba.Material] = {}
 
     def get_instance_description(self) -> Union[str, Sequence]:
@@ -163,7 +163,7 @@ class AssaultGame(ba.TeamGameActivity):
                                'radius': 0.3,
                                'color': team.color
                            })
-        ba.animate(light, "intensity", {0: 0, 0.25: 2.0, 0.5: 0}, loop=True)
+        ba.animate(light, 'intensity', {0: 0, 0.25: 2.0, 0.5: 0}, loop=True)
         ba.timer(length, light.delete)
 
     def _handle_base_collide(self, team: ba.Team) -> None:

assets/src/ba_data/python/bastd/game/capturetheflag.py

@@ -171,7 +171,7 @@ class CaptureTheFlagGame(ba.TeamGameActivity):
         base_region_mat = team.gamedata['base_region_material'] = ba.Material()
         pos = team.gamedata['base_pos']
         team.gamedata['base_region'] = ba.newnode(
-            "region",
+            'region',
             attrs={
                 'position': (pos[0], pos[1] + 0.75, pos[2]),
                 'scale': (0.5, 0.5, 0.5),
@@ -230,7 +230,7 @@ class CaptureTheFlagGame(ba.TeamGameActivity):
         ba.playsound(self._swipsound, position=flag.node.position)
 
     def _handle_flag_entered_base(self, team: ba.Team) -> None:
-        node = ba.get_collision_info("opposing_node")
+        node = ba.get_collision_info('opposing_node')
         assert isinstance(node, (ba.Node, type(None)))
         flag = CTFFlag.from_node(node)
         if not flag:
@@ -341,7 +341,7 @@ class CaptureTheFlagGame(ba.TeamGameActivity):
 
     def _handle_flag_left_base(self, team: ba.Team) -> None:
         cur_time = ba.time()
-        op_node = ba.get_collision_info("opposing_node")
+        op_node = ba.get_collision_info('opposing_node')
         assert isinstance(op_node, (ba.Node, type(None)))
         flag = CTFFlag.from_node(op_node)
         if not flag:
@@ -378,7 +378,7 @@ class CaptureTheFlagGame(ba.TeamGameActivity):
         flag = team.gamedata['flag']
         flag.touch_return_time -= 0.1
         if flag.counter:
-            flag.counter.text = "%.1f" % flag.touch_return_time
+            flag.counter.text = '%.1f' % flag.touch_return_time
             flag.counter.color = (1, 1, 0, 1)
             flag.counter.scale = 0.02
 
@@ -425,7 +425,7 @@ class CaptureTheFlagGame(ba.TeamGameActivity):
                 # Use a node message to kill the flag instead of just killing
                 # our team's. (avoids redundantly killing new flags if
                 # multiple body parts generate callbacks in one step).
-                node = ba.get_collision_info("opposing_node")
+                node = ba.get_collision_info('opposing_node')
                 if node:
                     self._award_players_touching_own_flag(team)
                     node.handlemessage(ba.DieMessage())

assets/src/ba_data/python/bastd/game/chosenone.py

@@ -65,27 +65,27 @@ class ChosenOneGame(ba.TeamGameActivity):
     def get_settings(
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
-        return [("Chosen One Time", {
+        return [('Chosen One Time', {
             'min_value': 10,
             'default': 30,
             'increment': 10
-        }), ("Chosen One Gets Gloves", {
+        }), ('Chosen One Gets Gloves', {
             'default': True
-        }), ("Chosen One Gets Shield", {
+        }), ('Chosen One Gets Shield', {
             'default': False
         }),
-                ("Time Limit", {
+                ('Time Limit', {
                     'choices': [('None', 0), ('1 Minute', 60),
                                 ('2 Minutes', 120), ('5 Minutes', 300),
                                 ('10 Minutes', 600), ('20 Minutes', 1200)],
                     'default': 0
                 }),
-                ("Respawn Times", {
+                ('Respawn Times', {
                     'choices': [('Shorter', 0.25), ('Short', 0.5),
                                 ('Normal', 1.0), ('Long', 2.0),
                                 ('Longer', 4.0)],
                     'default': 1.0
-                }), ("Epic Mode", {
+                }), ('Epic Mode', {
                     'default': False
                 })]
 
@@ -96,7 +96,7 @@ class ChosenOneGame(ba.TeamGameActivity):
             self.slow_motion = True
         self._scoreboard = Scoreboard()
         self._chosen_one_player: Optional[ba.Player] = None
-        self._swipsound = ba.getsound("swip")
+        self._swipsound = ba.getsound('swip')
         self._countdownsounds: Dict[int, ba.Sound] = {
             10: ba.getsound('announceTen'),
             9: ba.getsound('announceNine'),
@@ -123,7 +123,7 @@ class ChosenOneGame(ba.TeamGameActivity):
         super().on_transition_in()
 
     def on_team_join(self, team: ba.Team) -> None:
-        team.gamedata['time_remaining'] = self.settings["Chosen One Time"]
+        team.gamedata['time_remaining'] = self.settings['Chosen One Time']
         self._update_scoreboard()
 
     def on_player_leave(self, player: ba.Player) -> None:
@@ -170,7 +170,7 @@ class ChosenOneGame(ba.TeamGameActivity):
             return
         try:
             player = (ba.get_collision_info(
-                "opposing_node").getdelegate().getplayer())
+                'opposing_node').getdelegate().getplayer())
         except Exception:
             return
         if player is not None and player.is_alive():
@@ -184,7 +184,7 @@ class ChosenOneGame(ba.TeamGameActivity):
                                'radius': 0.3,
                                'height_attenuated': False
                            })
-        ba.animate(light, "intensity", {0: 0, 0.25: 0.5, 0.5: 0}, loop=True)
+        ba.animate(light, 'intensity', {0: 0, 0.25: 0.5, 0.5: 0}, loop=True)
         ba.timer(1.0, light.delete)
 
     def _tick(self) -> None:
@@ -296,11 +296,11 @@ class ChosenOneGame(ba.TeamGameActivity):
                         light = player.gamedata['chosen_light'] = ba.NodeActor(
                             ba.newnode('light',
                                        attrs={
-                                           "intensity": 0.6,
+                                           'intensity': 0.6,
-                                           "height_attenuated": False,
+                                           'height_attenuated': False,
-                                           "volume_intensity_scale": 0.1,
+                                           'volume_intensity_scale': 0.1,
-                                           "radius": 0.13,
+                                           'radius': 0.13,
-                                           "color": color
+                                           'color': color
                                        }))
 
                         assert light.node

assets/src/ba_data/python/bastd/game/conquest.py

@@ -75,14 +75,14 @@ class ConquestGame(ba.TeamGameActivity):
 
     @classmethod
     def get_supported_maps(cls, sessiontype: Type[ba.Session]) -> List[str]:
-        return ba.getmaps("conquest")
+        return ba.getmaps('conquest')
 
     @classmethod
     def get_settings(
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
         return [
-            ("Time Limit", {
+            ('Time Limit', {
                 'choices': [('None', 0), ('1 Minute', 60),
                             ('2 Minutes', 120),
                             ('5 Minutes', 300),
@@ -217,12 +217,12 @@ class ConquestGame(ba.TeamGameActivity):
                                'height_attenuated': False,
                                'color': flag.light.color
                            })
-        ba.animate(light, "intensity", {0: 0, 0.25: 1, 0.5: 0}, loop=True)
+        ba.animate(light, 'intensity', {0: 0, 0.25: 1, 0.5: 0}, loop=True)
         ba.timer(length, light.delete)
 
     def _handle_flag_player_collide(self) -> None:
-        flagnode, playernode = ba.get_collision_info("source_node",
+        flagnode, playernode = ba.get_collision_info('source_node',
-                                                     "opposing_node")
+                                                     'opposing_node')
         try:
             player = playernode.getdelegate().getplayer()
             flag = flagnode.getdelegate()

assets/src/ba_data/python/bastd/game/deathmatch.py

@@ -53,19 +53,19 @@ class DeathMatchGame(ba.TeamGameActivity):
 
     @classmethod
     def get_supported_maps(cls, sessiontype: Type[ba.Session]) -> List[str]:
-        return ba.getmaps("melee")
+        return ba.getmaps('melee')
 
     @classmethod
     def get_settings(
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
         settings: List[Tuple[str, Dict[str, Any]]] = [
-            ("Kills to Win Per Player", {
+            ('Kills to Win Per Player', {
                 'min_value': 1,
                 'default': 5,
                 'increment': 1
             }),
-            ("Time Limit", {
+            ('Time Limit', {
                  'choices':
                  [('None', 0),
                   ('1 Minute', 60), ('2 Minutes', 120),
@@ -73,14 +73,14 @@ class DeathMatchGame(ba.TeamGameActivity):
                   ('20 Minutes', 1200)],
                  'default': 0
             }),
-            ("Respawn Times", {
+            ('Respawn Times', {
                  'choices':
                  [('Shorter', 0.25), ('Short', 0.5),
                   ('Normal', 1.0), ('Long', 2.0),
                   ('Longer', 4.0)],
                  'default': 1.0
             }),
-            ("Epic Mode", {
+            ('Epic Mode', {
                 'default': False
             })
         ]  # yapf: disable
@@ -91,7 +91,7 @@ class DeathMatchGame(ba.TeamGameActivity):
         # be able to go negative. (to avoid a strategy of just
         # suiciding until you get a good drop)
         if issubclass(sessiontype, ba.FreeForAllSession):
-            settings.append(("Allow Negative Scores", {'default': False}))
+            settings.append(('Allow Negative Scores', {'default': False}))
 
         return settings
 

assets/src/ba_data/python/bastd/game/easteregghunt.py

@@ -70,7 +70,7 @@ class EasterEggHuntGame(ba.TeamGameActivity):
     def get_settings(
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
-        return [("Pro Mode", {'default': False})]
+        return [('Pro Mode', {'default': False})]
 
     def __init__(self, settings: Dict[str, Any]):
         from bastd.actor.scoreboard import Scoreboard
@@ -86,8 +86,8 @@ class EasterEggHuntGame(ba.TeamGameActivity):
         self._max_eggs = 1.0
         self.egg_material = ba.Material()
         self.egg_material.add_actions(
-            conditions=("they_have_material", ba.sharedobj('player_material')),
+            conditions=('they_have_material', ba.sharedobj('player_material')),
-            actions=(("call", "at_connect", self._on_egg_player_collide), ))
+            actions=(('call', 'at_connect', self._on_egg_player_collide), ))
         self._eggs: List[Egg] = []
         self._update_timer: Optional[ba.Timer] = None
         self._countdown: Optional[OnScreenCountdown] = None
@@ -264,7 +264,7 @@ class Egg(ba.Actor):
         ctex = (activity.egg_tex_1, activity.egg_tex_2,
                 activity.egg_tex_3)[random.randrange(3)]
         mats = [ba.sharedobj('object_material'), activity.egg_material]
-        self.node = ba.newnode("prop",
+        self.node = ba.newnode('prop',
                                delegate=self,
                                attrs={
                                    'model': activity.egg_model,
@@ -291,7 +291,7 @@ class Egg(ba.Actor):
             if self.node:
                 assert msg.force_direction is not None
                 self.node.handlemessage(
-                    "impulse", msg.pos[0], msg.pos[1], msg.pos[2],
+                    'impulse', msg.pos[0], msg.pos[1], msg.pos[2],
                     msg.velocity[0], msg.velocity[1], msg.velocity[2],
                     1.0 * msg.magnitude, 1.0 * msg.velocity_magnitude,
                     msg.radius, 0, msg.force_direction[0],

assets/src/ba_data/python/bastd/game/elimination.py

@@ -190,33 +190,33 @@ class EliminationGame(ba.TeamGameActivity):
 
     @classmethod
     def get_supported_maps(cls, sessiontype: Type[ba.Session]) -> List[str]:
-        return ba.getmaps("melee")
+        return ba.getmaps('melee')
 
     @classmethod
     def get_settings(
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
         settings: List[Tuple[str, Dict[str, Any]]] = [
-            ("Lives Per Player", {
+            ('Lives Per Player', {
                 'default': 1, 'min_value': 1,
                 'max_value': 10, 'increment': 1
             }),
-            ("Time Limit", {
+            ('Time Limit', {
                 'choices': [('None', 0), ('1 Minute', 60),
                             ('2 Minutes', 120), ('5 Minutes', 300),
                             ('10 Minutes', 600), ('20 Minutes', 1200)],
                 'default': 0
             }),
-            ("Respawn Times", {
+            ('Respawn Times', {
                 'choices': [('Shorter', 0.25), ('Short', 0.5), ('Normal', 1.0),
                             ('Long', 2.0), ('Longer', 4.0)],
                 'default': 1.0
             }),
-            ("Epic Mode", {'default': False})]  # yapf: disable
+            ('Epic Mode', {'default': False})]  # yapf: disable
 
         if issubclass(sessiontype, ba.DualTeamSession):
-            settings.append(("Solo Mode", {'default': False}))
+            settings.append(('Solo Mode', {'default': False}))
-            settings.append(("Balance Total Lives", {'default': False}))
+            settings.append(('Balance Total Lives', {'default': False}))
 
         return settings
 
@@ -447,16 +447,16 @@ class EliminationGame(ba.TeamGameActivity):
         self.setup_standard_powerup_drops()
         if self._solo_mode:
             self._vs_text = ba.NodeActor(
-                ba.newnode("text",
+                ba.newnode('text',
                            attrs={
                                'position': (0, 105),
-                               'h_attach': "center",
+                               'h_attach': 'center',
                                'h_align': 'center',
                                'maxwidth': 200,
                                'shadow': 0.5,
                                'vr_depth': 390,
                                'scale': 0.6,
-                               'v_attach': "bottom",
+                               'v_attach': 'bottom',
                                'color': (0.8, 0.8, 0.3, 1.0),
                                'text': ba.Lstr(resource='vsText')
                            }))

assets/src/ba_data/python/bastd/game/football.py

@@ -92,18 +92,18 @@ class FootballTeamGame(ba.TeamGameActivity):
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
         return [
-            ("Score to Win", {
+            ('Score to Win', {
                 'min_value': 7,
                 'default': 21,
                 'increment': 7
             }),
-            ("Time Limit", {
+            ('Time Limit', {
                 'choices': [('None', 0), ('1 Minute', 60), ('2 Minutes', 120),
                             ('5 Minutes', 300), ('10 Minutes', 600),
                             ('20 Minutes', 1200)],
                 'default': 0
             }),
-            ("Respawn Times", {
+            ('Respawn Times', {
                 'choices': [('Shorter', 0.25), ('Short', 0.5), ('Normal', 1.0),
                             ('Long', 2.0), ('Longer', 4.0)],
                 'default': 1.0
@@ -115,19 +115,19 @@ class FootballTeamGame(ba.TeamGameActivity):
         self._scoreboard: Optional[Scoreboard] = Scoreboard()
 
         # Load some media we need.
-        self._cheer_sound = ba.getsound("cheer")
+        self._cheer_sound = ba.getsound('cheer')
-        self._chant_sound = ba.getsound("crowdChant")
+        self._chant_sound = ba.getsound('crowdChant')
-        self._score_sound = ba.getsound("score")
+        self._score_sound = ba.getsound('score')
-        self._swipsound = ba.getsound("swip")
+        self._swipsound = ba.getsound('swip')
-        self._whistle_sound = ba.getsound("refWhistle")
+        self._whistle_sound = ba.getsound('refWhistle')
 
         self.score_region_material = ba.Material()
         self.score_region_material.add_actions(
-            conditions=("they_have_material",
+            conditions=('they_have_material',
                         stdflag.get_factory().flagmaterial),
-            actions=(("modify_part_collision", "collide",
+            actions=(('modify_part_collision', 'collide',
-                      True), ("modify_part_collision", "physical", False),
+                      True), ('modify_part_collision', 'physical', False),
-                     ("call", "at_connect", self._handle_score)))
+                     ('call', 'at_connect', self._handle_score)))
         self._flag_spawn_pos: Optional[Sequence[float]] = None
         self._score_regions: List[ba.NodeActor] = []
         self._flag: Optional[FootballFlag] = None
@@ -198,7 +198,7 @@ class FootballTeamGame(ba.TeamGameActivity):
         assert self._flag is not None
         if self._flag.scored:
             return
-        region = ba.get_collision_info("source_node")
+        region = ba.get_collision_info('source_node')
         i = None
         for i in range(len(self._score_regions)):
             if region == self._score_regions[i].node:
@@ -263,7 +263,7 @@ class FootballTeamGame(ba.TeamGameActivity):
                     msg.flag.last_holding_player = player
                 msg.flag.held_count += 1
             except Exception:
-                ba.print_exception("exception in Football FlagPickedUpMessage;"
+                ba.print_exception('exception in Football FlagPickedUpMessage;'
                                    " this shouldn't happen")
 
         elif isinstance(msg, stdflag.FlagDroppedMessage):
@@ -290,7 +290,7 @@ class FootballTeamGame(ba.TeamGameActivity):
                                }))
                 assert self._flag_respawn_light.node
                 ba.animate(self._flag_respawn_light.node,
-                           "intensity", {
+                           'intensity', {
                                0.0: 0,
                                0.25: 0.15,
                                0.5: 0
@@ -359,20 +359,20 @@ class FootballCoopGame(ba.CoopGameActivity):
         self._preset = self.settings.get('preset', 'rookie')
 
         # Load some media we need.
-        self._cheer_sound = ba.getsound("cheer")
+        self._cheer_sound = ba.getsound('cheer')
-        self._boo_sound = ba.getsound("boo")
+        self._boo_sound = ba.getsound('boo')
-        self._chant_sound = ba.getsound("crowdChant")
+        self._chant_sound = ba.getsound('crowdChant')
-        self._score_sound = ba.getsound("score")
+        self._score_sound = ba.getsound('score')
-        self._swipsound = ba.getsound("swip")
+        self._swipsound = ba.getsound('swip')
-        self._whistle_sound = ba.getsound("refWhistle")
+        self._whistle_sound = ba.getsound('refWhistle')
         self._score_to_win = 21
         self._score_region_material = ba.Material()
         self._score_region_material.add_actions(
-            conditions=("they_have_material",
+            conditions=('they_have_material',
                         stdflag.get_factory().flagmaterial),
-            actions=(("modify_part_collision", "collide",
+            actions=(('modify_part_collision', 'collide',
-                      True), ("modify_part_collision", "physical", False),
+                      True), ('modify_part_collision', 'physical', False),
-                     ("call", "at_connect", self._handle_score)))
+                     ('call', 'at_connect', self._handle_score)))
         self._powerup_center = (0, 2, 0)
         self._powerup_spread = (10, 5.5)
         self._player_has_dropped_bomb = False
@@ -660,7 +660,7 @@ class FootballCoopGame(ba.CoopGameActivity):
             return
 
         # See which score region it was.
-        region = ba.get_collision_info("source_node")
+        region = ba.get_collision_info('source_node')
         i = None
         for i in range(len(self.score_regions)):
             if region == self.score_regions[i].node:
@@ -849,7 +849,7 @@ class FootballCoopGame(ba.CoopGameActivity):
                            }))
             assert self._flag_respawn_light.node
             ba.animate(self._flag_respawn_light.node,
-                       "intensity", {
+                       'intensity', {
                            0: 0,
                            0.25: 0.15,
                            0.5: 0

assets/src/ba_data/python/bastd/game/hockey.py

@@ -56,7 +56,7 @@ class Puck(ba.Actor):
         assert activity is not None
         assert isinstance(activity, HockeyGame)
         pmats = [ba.sharedobj('object_material'), activity.puck_material]
-        self.node = ba.newnode("prop",
+        self.node = ba.newnode('prop',
                                delegate=self,
                                attrs={
                                    'model': activity.puck_model,
@@ -69,7 +69,7 @@ class Puck(ba.Actor):
                                    'position': self._spawn_pos,
                                    'materials': pmats
                                })
-        ba.animate(self.node, "model_scale", {0: 0, 0.2: 1.3, 0.26: 1})
+        ba.animate(self.node, 'model_scale', {0: 0, 0.2: 1.3, 0.26: 1})
 
     def handlemessage(self, msg: Any) -> Any:
         if isinstance(msg, ba.DieMessage):
@@ -88,7 +88,7 @@ class Puck(ba.Actor):
             assert self.node
             assert msg.force_direction is not None
             self.node.handlemessage(
-                "impulse", msg.pos[0], msg.pos[1], msg.pos[2], msg.velocity[0],
+                'impulse', msg.pos[0], msg.pos[1], msg.pos[2], msg.velocity[0],
                 msg.velocity[1], msg.velocity[2], 1.0 * msg.magnitude,
                 1.0 * msg.velocity_magnitude, msg.radius, 0,
                 msg.force_direction[0], msg.force_direction[1],
@@ -131,16 +131,16 @@ class HockeyGame(ba.TeamGameActivity):
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
         return [
-            ("Score to Win", {
+            ('Score to Win', {
                 'min_value': 1, 'default': 1, 'increment': 1
             }),
-            ("Time Limit", {
+            ('Time Limit', {
                 'choices': [('None', 0), ('1 Minute', 60),
                             ('2 Minutes', 120), ('5 Minutes', 300),
                             ('10 Minutes', 600), ('20 Minutes', 1200)],
                 'default': 0
             }),
-            ("Respawn Times", {
+            ('Respawn Times', {
                 'choices': [('Shorter', 0.25), ('Short', 0.5), ('Normal', 1.0),
                             ('Long', 2.0), ('Longer', 4.0)],
                 'default': 1.0
@@ -151,48 +151,48 @@ class HockeyGame(ba.TeamGameActivity):
         from bastd.actor import powerupbox
         super().__init__(settings)
         self._scoreboard = Scoreboard()
-        self._cheer_sound = ba.getsound("cheer")
+        self._cheer_sound = ba.getsound('cheer')
-        self._chant_sound = ba.getsound("crowdChant")
+        self._chant_sound = ba.getsound('crowdChant')
-        self._foghorn_sound = ba.getsound("foghorn")
+        self._foghorn_sound = ba.getsound('foghorn')
-        self._swipsound = ba.getsound("swip")
+        self._swipsound = ba.getsound('swip')
-        self._whistle_sound = ba.getsound("refWhistle")
+        self._whistle_sound = ba.getsound('refWhistle')
-        self.puck_model = ba.getmodel("puck")
+        self.puck_model = ba.getmodel('puck')
-        self.puck_tex = ba.gettexture("puckColor")
+        self.puck_tex = ba.gettexture('puckColor')
-        self._puck_sound = ba.getsound("metalHit")
+        self._puck_sound = ba.getsound('metalHit')
         self.puck_material = ba.Material()
-        self.puck_material.add_actions(actions=(("modify_part_collision",
+        self.puck_material.add_actions(actions=(('modify_part_collision',
-                                                 "friction", 0.5)))
+                                                 'friction', 0.5)))
         self.puck_material.add_actions(
-            conditions=("they_have_material", ba.sharedobj('pickup_material')),
+            conditions=('they_have_material', ba.sharedobj('pickup_material')),
-            actions=("modify_part_collision", "collide", False))
+            actions=('modify_part_collision', 'collide', False))
         self.puck_material.add_actions(
-            conditions=(("we_are_younger_than", 100),
+            conditions=(('we_are_younger_than', 100),
-                        'and', ("they_have_material",
+                        'and', ('they_have_material',
                                 ba.sharedobj('object_material'))),
-            actions=("modify_node_collision", "collide", False))
+            actions=('modify_node_collision', 'collide', False))
         self.puck_material.add_actions(
-            conditions=("they_have_material",
+            conditions=('they_have_material',
                         ba.sharedobj('footing_material')),
-            actions=("impact_sound", self._puck_sound, 0.2, 5))
+            actions=('impact_sound', self._puck_sound, 0.2, 5))
 
         # Keep track of which player last touched the puck
         self.puck_material.add_actions(
-            conditions=("they_have_material", ba.sharedobj('player_material')),
+            conditions=('they_have_material', ba.sharedobj('player_material')),
-            actions=(("call", "at_connect",
+            actions=(('call', 'at_connect',
                       self._handle_puck_player_collide), ))
 
         # We want the puck to kill powerups; not get stopped by them
         self.puck_material.add_actions(
-            conditions=("they_have_material",
+            conditions=('they_have_material',
                         powerupbox.get_factory().powerup_material),
-            actions=(("modify_part_collision", "physical", False),
+            actions=(('modify_part_collision', 'physical', False),
-                     ("message", "their_node", "at_connect", ba.DieMessage())))
+                     ('message', 'their_node', 'at_connect', ba.DieMessage())))
         self._score_region_material = ba.Material()
         self._score_region_material.add_actions(
-            conditions=("they_have_material", self.puck_material),
+            conditions=('they_have_material', self.puck_material),
-            actions=(("modify_part_collision", "collide",
+            actions=(('modify_part_collision', 'collide',
-                      True), ("modify_part_collision", "physical", False),
+                      True), ('modify_part_collision', 'physical', False),
-                     ("call", "at_connect", self._handle_score)))
+                     ('call', 'at_connect', self._handle_score)))
         self._puck_spawn_pos: Optional[Sequence[float]] = None
         self._score_regions: Optional[List[ba.NodeActor]] = None
         self._puck: Optional[Puck] = None
@@ -224,20 +224,20 @@ class HockeyGame(ba.TeamGameActivity):
         self._score_regions = []
         self._score_regions.append(
             ba.NodeActor(
-                ba.newnode("region",
+                ba.newnode('region',
                            attrs={
-                               'position': defs.boxes["goal1"][0:3],
+                               'position': defs.boxes['goal1'][0:3],
-                               'scale': defs.boxes["goal1"][6:9],
+                               'scale': defs.boxes['goal1'][6:9],
-                               'type': "box",
+                               'type': 'box',
                                'materials': [self._score_region_material]
                            })))
         self._score_regions.append(
             ba.NodeActor(
-                ba.newnode("region",
+                ba.newnode('region',
                            attrs={
-                               'position': defs.boxes["goal2"][0:3],
+                               'position': defs.boxes['goal2'][0:3],
-                               'scale': defs.boxes["goal2"][6:9],
+                               'scale': defs.boxes['goal2'][6:9],
-                               'type': "box",
+                               'type': 'box',
                                'materials': [self._score_region_material]
                            })))
         self._update_scoreboard()
@@ -272,7 +272,7 @@ class HockeyGame(ba.TeamGameActivity):
         if self._puck.scored:
             return
 
-        region = ba.get_collision_info("source_node")
+        region = ba.get_collision_info('source_node')
         index = 0
         for index in range(len(self._score_regions)):
             if region == self._score_regions[index].node:

assets/src/ba_data/python/bastd/game/keepaway.py

@@ -71,18 +71,18 @@ class KeepAwayGame(ba.TeamGameActivity):
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
         return [
-            ("Hold Time", {
+            ('Hold Time', {
                 'min_value': 10,
                 'default': 30,
                 'increment': 10
             }),
-            ("Time Limit", {
+            ('Time Limit', {
                 'choices': [('None', 0), ('1 Minute', 60), ('2 Minutes', 120),
                             ('5 Minutes', 300), ('10 Minutes', 600),
                             ('20 Minutes', 1200)],
                 'default': 0
             }),
-            ("Respawn Times", {
+            ('Respawn Times', {
                 'choices': [('Shorter', 0.25), ('Short', 0.5), ('Normal', 1.0),
                             ('Long', 2.0), ('Longer', 4.0)],
                 'default': 1.0
@@ -93,7 +93,7 @@ class KeepAwayGame(ba.TeamGameActivity):
         from bastd.actor.scoreboard import Scoreboard
         super().__init__(settings)
         self._scoreboard = Scoreboard()
-        self._swipsound = ba.getsound("swip")
+        self._swipsound = ba.getsound('swip')
         self._tick_sound = ba.getsound('tick')
         self._countdownsounds = {
             10: ba.getsound('announceTen'),
@@ -128,7 +128,7 @@ class KeepAwayGame(ba.TeamGameActivity):
         super().on_transition_in()
 
     def on_team_join(self, team: ba.Team) -> None:
-        team.gamedata['time_remaining'] = self.settings["Hold Time"]
+        team.gamedata['time_remaining'] = self.settings['Hold Time']
         self._update_scoreboard()
 
     def on_begin(self) -> None:
@@ -200,7 +200,7 @@ class KeepAwayGame(ba.TeamGameActivity):
                     holding_flag = (
                         player.actor.node.hold_node.getnodetype() == 'flag')
             except Exception:
-                ba.print_exception("exception checking hold flag")
+                ba.print_exception('exception checking hold flag')
             if holding_flag:
                 self._holding_players.append(player)
                 player.team.gamedata['holding_flag'] = True

assets/src/ba_data/python/bastd/game/kingofthehill.py

@@ -65,24 +65,24 @@ class KingOfTheHillGame(ba.TeamGameActivity):
 
     @classmethod
     def get_supported_maps(cls, sessiontype: Type[ba.Session]) -> List[str]:
-        return ba.getmaps("king_of_the_hill")
+        return ba.getmaps('king_of_the_hill')
 
     @classmethod
     def get_settings(
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
-        return [("Hold Time", {
+        return [('Hold Time', {
             'min_value': 10,
             'default': 30,
             'increment': 10
         }),
-                ("Time Limit", {
+                ('Time Limit', {
                     'choices': [('None', 0), ('1 Minute', 60),
                                 ('2 Minutes', 120), ('5 Minutes', 300),
                                 ('10 Minutes', 600), ('20 Minutes', 1200)],
                     'default': 0
                 }),
-                ("Respawn Times", {
+                ('Respawn Times', {
                     'choices': [('Shorter', 0.25), ('Short', 0.5),
                                 ('Normal', 1.0), ('Long', 2.0),
                                 ('Longer', 4.0)],
@@ -93,7 +93,7 @@ class KingOfTheHillGame(ba.TeamGameActivity):
         from bastd.actor.scoreboard import Scoreboard
         super().__init__(settings)
         self._scoreboard = Scoreboard()
-        self._swipsound = ba.getsound("swip")
+        self._swipsound = ba.getsound('swip')
         self._tick_sound = ba.getsound('tick')
         self._countdownsounds = {
             10: ba.getsound('announceTen'),
@@ -115,12 +115,12 @@ class KingOfTheHillGame(ba.TeamGameActivity):
 
         self._flag_region_material = ba.Material()
         self._flag_region_material.add_actions(
-            conditions=("they_have_material", ba.sharedobj('player_material')),
+            conditions=('they_have_material', ba.sharedobj('player_material')),
-            actions=(("modify_part_collision", "collide",
+            actions=(('modify_part_collision', 'collide',
-                      True), ("modify_part_collision", "physical", False),
+                      True), ('modify_part_collision', 'physical', False),
-                     ("call", "at_connect",
+                     ('call', 'at_connect',
                       ba.Call(self._handle_player_flag_region_collide, True)),
-                     ("call", "at_disconnect",
+                     ('call', 'at_disconnect',
                       ba.Call(self._handle_player_flag_region_collide,
                               False))))
 
@@ -137,7 +137,7 @@ class KingOfTheHillGame(ba.TeamGameActivity):
         super().on_transition_in()
 
     def on_team_join(self, team: ba.Team) -> None:
-        team.gamedata['time_remaining'] = self.settings["Hold Time"]
+        team.gamedata['time_remaining'] = self.settings['Hold Time']
         self._update_scoreboard()
 
     def on_player_join(self, player: ba.Player) -> None:
@@ -253,7 +253,7 @@ class KingOfTheHillGame(ba.TeamGameActivity):
             ba.playsound(self._swipsound)
 
     def _handle_player_flag_region_collide(self, colliding: bool) -> None:
-        playernode = ba.get_collision_info("opposing_node")
+        playernode = ba.get_collision_info('opposing_node')
         try:
             player = playernode.getdelegate().getplayer()
         except Exception:

assets/src/ba_data/python/bastd/game/meteorshower.py

@@ -66,7 +66,7 @@ class MeteorShowerGame(ba.TeamGameActivity):
     def get_settings(
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
-        return [("Epic Mode", {'default': False})]
+        return [('Epic Mode', {'default': False})]
 
     # We support teams, free-for-all, and co-op sessions.
     @classmethod

assets/src/ba_data/python/bastd/game/ninjafight.py

@@ -76,7 +76,7 @@ class NinjaFightGame(ba.TeamGameActivity):
     # ...but not actually create anything yet.
     def __init__(self, settings: Dict[str, Any]):
         super().__init__(settings)
-        self._winsound = ba.getsound("score")
+        self._winsound = ba.getsound('score')
         self._won = False
         self._timer: Optional[onscreentimer.OnScreenTimer] = None
         self._bots = spazbot.BotSet()

assets/src/ba_data/python/bastd/game/onslaught.py

@@ -58,7 +58,7 @@ class OnslaughtGame(ba.CoopGameActivity):
 
     @classmethod
     def get_description(cls, sessiontype: Type[ba.Session]) -> str:
-        return "Defeat all enemies."
+        return 'Defeat all enemies.'
 
     def __init__(self, settings: Dict[str, Any]):
 
@@ -81,7 +81,7 @@ class OnslaughtGame(ba.CoopGameActivity):
         self.announce_player_deaths = True
 
         self._new_wave_sound = ba.getsound('scoreHit01')
-        self._winsound = ba.getsound("score")
+        self._winsound = ba.getsound('score')
         self._cashregistersound = ba.getsound('cashRegister')
         self._a_player_has_been_hurt = False
         self._player_has_dropped_bomb = False
@@ -98,7 +98,7 @@ class OnslaughtGame(ba.CoopGameActivity):
             self._powerup_center = (0, 5, -1.6)
             self._powerup_spread = (4.6, 2.7)
         else:
-            raise Exception("Unsupported map: " + str(settings['map']))
+            raise Exception('Unsupported map: ' + str(settings['map']))
         self._scoreboard: Optional[Scoreboard] = None
         self._game_over = False
         self._wave = 0
@@ -136,8 +136,8 @@ class OnslaughtGame(ba.CoopGameActivity):
                 ba.getsession(  # type: ignore
                 )._g_showed_onslaught_land_mine_tip = True
                 self.tips = [{
-                    'tip': "Land-mines are a good way"
+                    'tip': 'Land-mines are a good way'
-                           " to stop speedy enemies.",
+                           ' to stop speedy enemies.',
                     'icon': ba.gettexture('powerupLandMines'),
                     'sound': ba.getsound('ding')
                 }]
@@ -150,8 +150,8 @@ class OnslaughtGame(ba.CoopGameActivity):
                 ba.getsession(  # type: ignore
                 )._g_showed_onslaught_tnt_tip = True
                 self.tips = [{
-                    'tip': "Take out a group of enemies by\n"
+                    'tip': 'Take out a group of enemies by\n'
-                           "setting off a bomb near a TNT box.",
+                           'setting off a bomb near a TNT box.',
                     'icon': ba.gettexture('tnt'),
                     'sound': ba.getsound('ding')
                 }]
@@ -164,18 +164,18 @@ class OnslaughtGame(ba.CoopGameActivity):
                 ba.getsession(  # type: ignore
                 )._g_showed_onslaught_curse_tip = True
                 self.tips = [{
-                    'tip': "Curse boxes turn you into a ticking time bomb.\n"
+                    'tip': 'Curse boxes turn you into a ticking time bomb.\n'
-                           "The only cure is to quickly grab a health-pack.",
+                           'The only cure is to quickly grab a health-pack.',
                     'icon': ba.gettexture('powerupCurse'),
                     'sound': ba.getsound('ding')
                 }]
 
         self._spawn_info_text = ba.NodeActor(
-            ba.newnode("text",
+            ba.newnode('text',
                        attrs={
                            'position': (15, -130),
-                           'h_attach': "left",
+                           'h_attach': 'left',
-                           'v_attach': "top",
+                           'v_attach': 'top',
                            'scale': 0.55,
                            'color': (0.3, 0.8, 0.3, 1.0),
                            'text': ''
@@ -481,7 +481,7 @@ class OnslaughtGame(ba.CoopGameActivity):
             self._waves = []
 
         else:
-            raise Exception("Invalid preset: " + str(self._preset))
+            raise Exception('Invalid preset: ' + str(self._preset))
 
         # FIXME: Should migrate to use setup_standard_powerup_drops().
 
@@ -976,19 +976,19 @@ class OnslaughtGame(ba.CoopGameActivity):
                     for i in range(entry[1]):
                         if split and i % 2 == 0:
                             entries.insert(0, {
-                                "type": bot_type,
+                                'type': bot_type,
-                                "spacing": spacing
+                                'spacing': spacing
                             })
                         else:
                             entries.append({
-                                "type": bot_type,
+                                'type': bot_type,
-                                "spacing": spacing
+                                'spacing': spacing
                             })
                 if entries:
                     all_entries += entries
                     all_entries.append({
-                        "type": None,
+                        'type': None,
-                        "spacing": 40 if random.random() < 0.5 else 80
+                        'spacing': 40 if random.random() < 0.5 else 80
                     })
 
             angle_rand = random.random()

assets/src/ba_data/python/bastd/game/race.py

@@ -61,7 +61,7 @@ class RaceRegion(ba.Actor):
             attrs={
                 'position': pt[:3],
                 'scale': (pt[3] * 2.0, pt[4] * 2.0, pt[5] * 2.0),
-                'type': "box",
+                'type': 'box',
                 'materials': [activity.race_region_material]
             })
 
@@ -383,7 +383,7 @@ class RaceGame(ba.TeamGameActivity):
                     if otherplayer.actor is not None:
                         otherplayer.actor.handlemessage(ba.DieMessage())
                 except Exception:
-                    ba.print_exception("Error sending diemessages")
+                    ba.print_exception('Error sending diemessages')
 
         # Defer so team/player lists will be updated.
         ba.pushcall(self._check_end_game)

assets/src/ba_data/python/bastd/game/runaround.py

@@ -70,7 +70,7 @@ class RunaroundGame(ba.CoopGameActivity):
 
     @classmethod
     def get_description(cls, sessiontype: Type[ba.Session]) -> str:
-        return "Prevent enemies from reaching the exit."
+        return 'Prevent enemies from reaching the exit.'
 
     def __init__(self, settings: Dict[str, Any]):
         settings['map'] = 'Tower D'
@@ -79,9 +79,9 @@ class RunaroundGame(ba.CoopGameActivity):
 
         self._player_death_sound = ba.getsound('playerDeath')
         self._new_wave_sound = ba.getsound('scoreHit01')
-        self._winsound = ba.getsound("score")
+        self._winsound = ba.getsound('score')
         self._cashregistersound = ba.getsound('cashRegister')
-        self._bad_guy_score_sound = ba.getsound("shieldDown")
+        self._bad_guy_score_sound = ba.getsound('shieldDown')
         self._heart_tex = ba.gettexture('heart')
         self._heart_model_opaque = ba.getmodel('heartOpaque')
         self._heart_model_transparent = ba.getmodel('heartTransparent')
@@ -96,10 +96,10 @@ class RunaroundGame(ba.CoopGameActivity):
 
         self._score_region_material = ba.Material()
         self._score_region_material.add_actions(
-            conditions=("they_have_material", ba.sharedobj('player_material')),
+            conditions=('they_have_material', ba.sharedobj('player_material')),
-            actions=(("modify_part_collision", "collide",
+            actions=(('modify_part_collision', 'collide',
-                      True), ("modify_part_collision", "physical", False),
+                      True), ('modify_part_collision', 'physical', False),
-                     ("call", "at_connect", self._handle_reached_end)))
+                     ('call', 'at_connect', self._handle_reached_end)))
 
         self._last_wave_end_time = ba.time()
         self._player_has_picked_up_powerup = False
@@ -398,7 +398,7 @@ class RunaroundGame(ba.CoopGameActivity):
         ba.timer(2.0, self._start_updating_waves)
 
     def _handle_reached_end(self) -> None:
-        oppnode = ba.get_collision_info("opposing_node")
+        oppnode = ba.get_collision_info('opposing_node')
         spaz = oppnode.getdelegate()
 
         if not spaz.is_alive():

assets/src/ba_data/python/bastd/game/targetpractice.py

@@ -63,12 +63,12 @@ class TargetPracticeGame(ba.TeamGameActivity):
     def get_settings(
             cls,
             sessiontype: Type[ba.Session]) -> List[Tuple[str, Dict[str, Any]]]:
-        return [("Target Count", {
+        return [('Target Count', {
             'min_value': 1,
             'default': 3
-        }), ("Enable Impact Bombs", {
+        }), ('Enable Impact Bombs', {
             'default': True
-        }), ("Enable Triple Bombs", {
+        }), ('Enable Triple Bombs', {
             'default': True
         })]
 
@@ -345,7 +345,7 @@ class Target(ba.Actor):
 
             # Award points/etc.. (technically should probably leave this up
             # to the activity).
-            popupstr = "+" + str(points)
+            popupstr = '+' + str(points)
 
             # If there's more than 1 player in the game, include their
             # names and colors so they know who got the hit.

assets/src/ba_data/python/bastd/game/thelaststand.py

@@ -49,7 +49,7 @@ class TheLastStandGame(ba.CoopGameActivity):
 
     @classmethod
     def get_description(cls, sessiontype: Type[ba.Session]) -> str:
-        return "Final glorious epic slow motion battle to the death."
+        return 'Final glorious epic slow motion battle to the death.'
 
     def __init__(self, settings: Dict[str, Any]):
         settings['map'] = 'Rampage'
@@ -62,7 +62,7 @@ class TheLastStandGame(ba.CoopGameActivity):
         self.slow_motion = True
 
         self._new_wave_sound = ba.getsound('scoreHit01')
-        self._winsound = ba.getsound("score")
+        self._winsound = ba.getsound('score')
         self._cashregistersound = ba.getsound('cashRegister')
         self._spawn_center = (0, 5.5, -4.14)
         self._tntspawnpos = (0, 5.5, -6)

assets/src/ba_data/python/bastd/mainmenu.py

@@ -348,7 +348,7 @@ class MainMenuActivity(ba.Activity):
                                 spc + self._message_duration: 0.0
                             }
                             assert self._text.node
-                            ba.animate(self._text.node, "opacity", keys)
+                            ba.animate(self._text.node, 'opacity', keys)
                             # {k: v
                             #  for k, v in list(keys.items())})
                             self._text.node.text = val
@@ -692,13 +692,13 @@ class MainMenuActivity(ba.Activity):
             cmb: Optional[ba.Node]
             cmb2: Optional[ba.Node]
             if not shadow:
-                cmb = ba.newnode("combine",
+                cmb = ba.newnode('combine',
                                  owner=word_obj.node,
                                  attrs={'size': 2})
             else:
                 cmb = None
             if shadow:
-                cmb2 = ba.newnode("combine",
+                cmb2 = ba.newnode('combine',
                                   owner=word_obj.node,
                                   attrs={'size': 2})
             else:
@@ -719,9 +719,9 @@ class MainMenuActivity(ba.Activity):
                 keys2[time_v * self._ts] = val2 + 5
                 time_v += random.random() * 0.1
             if cmb is not None:
-                ba.animate(cmb, "input0", keys, loop=True)
+                ba.animate(cmb, 'input0', keys, loop=True)
             if cmb2 is not None:
-                ba.animate(cmb2, "input0", keys2, loop=True)
+                ba.animate(cmb2, 'input0', keys2, loop=True)
             keys = {}
             keys2 = {}
             time_v = 0
@@ -732,20 +732,20 @@ class MainMenuActivity(ba.Activity):
                 keys2[time_v * self._ts] = val2 - 9
                 time_v += random.random() * 0.1
             if cmb is not None:
-                ba.animate(cmb, "input1", keys, loop=True)
+                ba.animate(cmb, 'input1', keys, loop=True)
             if cmb2 is not None:
-                ba.animate(cmb2, "input1", keys2, loop=True)
+                ba.animate(cmb2, 'input1', keys2, loop=True)
 
         if not shadow:
             assert word_obj.node
-            ba.animate(word_obj.node, "project_scale", {
+            ba.animate(word_obj.node, 'project_scale', {
                 delay: 0.0,
                 delay + 0.1: scale * 1.1,
                 delay + 0.2: scale
             })
         else:
             assert word_obj.node
-            ba.animate(word_obj.node, "project_scale", {
+            ba.animate(word_obj.node, 'project_scale', {
                 delay: 0.0,
                 delay + 0.1: scale * 1.1,
                 delay + 0.2: scale
@@ -784,7 +784,7 @@ class MainMenuActivity(ba.Activity):
                            'model_transparent': mtrans,
                            'vr_depth': -10 + vr_depth_offset,
                            'rotate': rotate,
-                           'attach': "center",
+                           'attach': 'center',
                            'tilt_translate': 0.21,
                            'absolute_scale': True
                        }))
@@ -796,7 +796,7 @@ class MainMenuActivity(ba.Activity):
         # leave things still).
         assert logo.node
         if not ba.app.vr_mode:
-            cmb = ba.newnode("combine", owner=logo.node, attrs={'size': 2})
+            cmb = ba.newnode('combine', owner=logo.node, attrs={'size': 2})
             cmb.connectattr('output', logo.node, 'position')
             keys = {}
             time_v = 0.0
@@ -805,27 +805,27 @@ class MainMenuActivity(ba.Activity):
             for _i in range(10):
                 keys[time_v] = x + (random.random() - 0.5) * 0.7 * jitter_scale
                 time_v += random.random() * 0.1
-            ba.animate(cmb, "input0", keys, loop=True)
+            ba.animate(cmb, 'input0', keys, loop=True)
             keys = {}
             time_v = 0.0
             for _i in range(10):
                 keys[time_v * self._ts] = y + (random.random() -
                                                0.5) * 0.7 * jitter_scale
                 time_v += random.random() * 0.1
-            ba.animate(cmb, "input1", keys, loop=True)
+            ba.animate(cmb, 'input1', keys, loop=True)
         else:
             logo.node.position = (x, y)
 
-        cmb = ba.newnode("combine", owner=logo.node, attrs={"size": 2})
+        cmb = ba.newnode('combine', owner=logo.node, attrs={'size': 2})
 
         keys = {
             delay: 0.0,
             delay + 0.1: 700.0 * scale,
             delay + 0.2: 600.0 * scale
         }
-        ba.animate(cmb, "input0", keys)
+        ba.animate(cmb, 'input0', keys)
-        ba.animate(cmb, "input1", keys)
+        ba.animate(cmb, 'input1', keys)
-        cmb.connectattr("output", logo.node, "scale")
+        cmb.connectattr('output', logo.node, 'scale')
 
     def _start_preloads(self) -> None:
         # FIXME: The func that calls us back doesn't save/restore state
@@ -850,14 +850,14 @@ def _preload1() -> None:
             'scrollWidgetShort', 'windowBGBlotch'
     ]:
         ba.getmodel(mname)
-    for tname in ["playerLineup", "lock"]:
+    for tname in ['playerLineup', 'lock']:
         ba.gettexture(tname)
     for tex in [
             'iconRunaround', 'iconOnslaught', 'medalComplete', 'medalBronze',
             'medalSilver', 'medalGold', 'characterIconMask'
     ]:
         ba.gettexture(tex)
-    ba.gettexture("bg")
+    ba.gettexture('bg')
     from bastd.actor import powerupbox
     powerupbox.get_factory()
     ba.timer(0.1, _preload2)
@@ -867,17 +867,17 @@ def _preload2() -> None:
     # FIXME: Could integrate these loads with the classes that use them
     #  so they don't have to redundantly call the load
     #  (even if the actual result is cached).
-    for mname in ["powerup", "powerupSimple"]:
+    for mname in ['powerup', 'powerupSimple']:
         ba.getmodel(mname)
     for tname in [
-            "powerupBomb", "powerupSpeed", "powerupPunch", "powerupIceBombs",
+            'powerupBomb', 'powerupSpeed', 'powerupPunch', 'powerupIceBombs',
-            "powerupStickyBombs", "powerupShield", "powerupImpactBombs",
+            'powerupStickyBombs', 'powerupShield', 'powerupImpactBombs',
-            "powerupHealth"
+            'powerupHealth'
     ]:
         ba.gettexture(tname)
     for sname in [
-            "powerup01", "boxDrop", "boxingBell", "scoreHit01", "scoreHit02",
+            'powerup01', 'boxDrop', 'boxingBell', 'scoreHit01', 'scoreHit02',
-            "dripity", "spawn", "gong"
+            'dripity', 'spawn', 'gong'
     ]:
         ba.getsound(sname)
     from bastd.actor import bomb
@@ -886,14 +886,14 @@ def _preload2() -> None:
 
 
 def _preload3() -> None:
-    for mname in ["bomb", "bombSticky", "impactBomb"]:
+    for mname in ['bomb', 'bombSticky', 'impactBomb']:
         ba.getmodel(mname)
     for tname in [
-            "bombColor", "bombColorIce", "bombStickyColor", "impactBombColor",
+            'bombColor', 'bombColorIce', 'bombStickyColor', 'impactBombColor',
-            "impactBombColorLit"
+            'impactBombColorLit'
     ]:
         ba.gettexture(tname)
-    for sname in ["freeze", "fuse01", "activateBeep", "warnBeep"]:
+    for sname in ['freeze', 'fuse01', 'activateBeep', 'warnBeep']:
         ba.getsound(sname)
     spaz.get_factory()
     ba.timer(0.2, _preload4)

assets/src/ba_data/python/bastd/maps.py

@@ -37,7 +37,7 @@ class HockeyStadium(ba.Map):
 
     # noinspection PyUnresolvedReferences
     from bastd.mapdata import hockey_stadium as defs
-    name = "Hockey Stadium"
+    name = 'Hockey Stadium'
 
     @classmethod
     def get_play_types(cls) -> List[str]:
@@ -66,7 +66,7 @@ class HockeyStadium(ba.Map):
 
     def __init__(self) -> None:
         super().__init__()
-        self.node = ba.newnode("terrain",
+        self.node = ba.newnode('terrain',
                                delegate=self,
                                attrs={
                                    'model':
@@ -91,20 +91,20 @@ class HockeyStadium(ba.Map):
         mats = [
             ba.sharedobj('footing_material'), self.preloaddata['ice_material']
         ]
-        self.floor = ba.newnode("terrain",
+        self.floor = ba.newnode('terrain',
                                 attrs={
-                                    "model": self.preloaddata['models'][1],
+                                    'model': self.preloaddata['models'][1],
-                                    "color_texture": self.preloaddata['tex'],
+                                    'color_texture': self.preloaddata['tex'],
-                                    "opacity": 0.92,
+                                    'opacity': 0.92,
-                                    "opacity_in_low_or_medium_quality": 1.0,
+                                    'opacity_in_low_or_medium_quality': 1.0,
-                                    "materials": mats
+                                    'materials': mats
                                 })
         self.stands = ba.newnode(
-            "terrain",
+            'terrain',
             attrs={
-                "model": self.preloaddata['models'][2],
+                'model': self.preloaddata['models'][2],
-                "visible_in_reflections": False,
+                'visible_in_reflections': False,
-                "color_texture": self.preloaddata['stands_tex']
+                'color_texture': self.preloaddata['stands_tex']
             })
         gnode = ba.sharedobj('globals')
         gnode.floor_reflection = True
@@ -123,7 +123,7 @@ class FootballStadium(ba.Map):
     """Stadium map for football games."""
     from bastd.mapdata import football_stadium as defs
 
-    name = "Football Stadium"
+    name = 'Football Stadium'
 
     @classmethod
     def get_play_types(cls) -> List[str]:
@@ -137,10 +137,10 @@ class FootballStadium(ba.Map):
     @classmethod
     def on_preload(cls) -> Any:
         data: Dict[str, Any] = {
-            'model': ba.getmodel("footballStadium"),
+            'model': ba.getmodel('footballStadium'),
             'vr_fill_model': ba.getmodel('footballStadiumVRFill'),
-            'collide_model': ba.getcollidemodel("footballStadiumCollide"),
+            'collide_model': ba.getcollidemodel('footballStadiumCollide'),
-            'tex': ba.gettexture("footballStadium")
+            'tex': ba.gettexture('footballStadium')
         }
         return data
 
@@ -202,16 +202,16 @@ class Bridgit(ba.Map):
     @classmethod
     def on_preload(cls) -> Any:
         data: Dict[str, Any] = {
-            'model_top': ba.getmodel("bridgitLevelTop"),
+            'model_top': ba.getmodel('bridgitLevelTop'),
-            'model_bottom': ba.getmodel("bridgitLevelBottom"),
+            'model_bottom': ba.getmodel('bridgitLevelBottom'),
-            'model_bg': ba.getmodel("natureBackground"),
+            'model_bg': ba.getmodel('natureBackground'),
             'bg_vr_fill_model': ba.getmodel('natureBackgroundVRFill'),
-            'collide_model': ba.getcollidemodel("bridgitLevelCollide"),
+            'collide_model': ba.getcollidemodel('bridgitLevelCollide'),
-            'tex': ba.gettexture("bridgitLevelColor"),
+            'tex': ba.gettexture('bridgitLevelColor'),
-            'model_bg_tex': ba.gettexture("natureBackgroundColor"),
+            'model_bg_tex': ba.gettexture('natureBackgroundColor'),
-            'collide_bg': ba.getcollidemodel("natureBackgroundCollide"),
+            'collide_bg': ba.getcollidemodel('natureBackgroundCollide'),
             'railing_collide_model':
-                (ba.getcollidemodel("bridgitLevelRailingCollide")),
+                (ba.getcollidemodel('bridgitLevelRailingCollide')),
             'bg_material': ba.Material()
         }
         data['bg_material'].add_actions(actions=('modify_part_collision',

assets/src/ba_data/python/bastd/tutorial.py

@@ -94,7 +94,7 @@ class ButtonPress:
             img = None
             color = None
         else:
-            raise Exception(f"invalid button: {self._button}")
+            raise Exception(f'invalid button: {self._button}')
 
         brightness = 4.0
         if color is not None:
@@ -167,7 +167,7 @@ class ButtonRelease:
             img = None
             color = None
         else:
-            raise Exception("invalid button: " + self._button)
+            raise Exception('invalid button: ' + self._button)
         if self._delay == 0:
             call()
         else:
@@ -445,8 +445,8 @@ class TutorialActivity(ba.Activity):
                         diff = tval
                         a.cycle_times.append(diff)
                         ba.screenmessage(
-                            "cycle time: " + str(diff) + " (average: " +
+                            'cycle time: ' + str(diff) + ' (average: ' +
-                            str(sum(a.cycle_times) / len(a.cycle_times)) + ")")
+                            str(sum(a.cycle_times) / len(a.cycle_times)) + ')')
                     tval = ba.time(ba.TimeType.REAL,
                                    ba.TimeFormat.MILLISECONDS)
                     assert isinstance(tval, int)
@@ -823,7 +823,7 @@ class TutorialActivity(ba.Activity):
                     elif self._celebrate_type == 'both':
                         s.node.handlemessage('celebrate', self._duration)
                     else:
-                        raise Exception("invalid celebrate type " +
+                        raise Exception('invalid celebrate type ' +
                                         self._celebrate_type)
 
             self._entries = [
@@ -2275,7 +2275,7 @@ class TutorialActivity(ba.Activity):
                 Celebrate(),
                 DelayOld(2000),
                 KillSpaz(1),
-                Text(""),
+                Text(''),
                 Move(0.5, -0.5),
                 DelayOld(1000),
                 Move(0, -0.1),
@@ -2389,7 +2389,7 @@ class TutorialActivity(ba.Activity):
 
         # test...
         if not all(self.players):
-            ba.print_error("Nonexistent player in _player_pressed_button: " +
+            ba.print_error('Nonexistent player in _player_pressed_button: ' +
                            str([str(p) for p in self.players]) + ': we are ' +
                            str(player))
 
@@ -2412,7 +2412,7 @@ class TutorialActivity(ba.Activity):
 
     def on_player_leave(self, player: ba.Player) -> None:
         if not all(self.players):
-            ba.print_error("Nonexistent player in on_player_leave: " +
+            ba.print_error('Nonexistent player in on_player_leave: ' +
                            str([str(p) for p in self.players]) + ': we are ' +
                            str(player))
         super().on_player_leave(player)

assets/src/ba_data/python/bastd/ui/account/link.py

@@ -156,8 +156,8 @@ class AccountLinkCodeWindow(ba.Window):
                       size=(0, 0),
                       color=(1.0, 3.0, 1.0),
                       scale=2.0,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center",
+                      v_align='center',
                       text=data['code'],
                       maxwidth=self._width * 0.85)
 

assets/src/ba_data/python/bastd/ui/account/settings.py

@@ -140,8 +140,8 @@ class AccountSettingsWindow(ba.Window):
                       text=ba.Lstr(resource=self._r + '.titleText'),
                       color=ba.app.title_color,
                       maxwidth=self._width - 340,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center")
+                      v_align='center')
 
         self._scrollwidget = ba.scrollwidget(
             parent=self._root_widget,
@@ -346,8 +346,8 @@ class AccountSettingsWindow(ba.Window):
                 color=(0.5, 0.5, 0.6),
                 maxwidth=self._sub_width * 0.9,
                 flatness=1.0,
-                h_align="center",
+                h_align='center',
-                v_align="center")
+                v_align='center')
             v -= local_signed_in_as_space * 0.4
 
         self._account_name_text: Optional[ba.Widget]
@@ -363,8 +363,8 @@ class AccountSettingsWindow(ba.Window):
                           scale=0.9,
                           color=ba.app.title_color,
                           maxwidth=self._sub_width * 0.9,
-                          h_align="center",
+                          h_align='center',
-                          v_align="center")
+                          v_align='center')
             v -= signed_in_as_space * 0.4
             self._account_name_text = ba.textwidget(
                 parent=self._subcontainer,
@@ -374,8 +374,8 @@ class AccountSettingsWindow(ba.Window):
                 maxwidth=self._sub_width * 0.9,
                 res_scale=1.5,
                 color=(1, 1, 1, 1),
-                h_align="center",
+                h_align='center',
-                v_align="center")
+                v_align='center')
             self._refresh_account_name_text()
             v -= signed_in_as_space * 0.4
         else:
@@ -412,8 +412,8 @@ class AccountSettingsWindow(ba.Window):
                           scale=0.9,
                           color=(0.75, 0.7, 0.8),
                           maxwidth=self._sub_width * 0.8,
-                          h_align="center",
+                          h_align='center',
-                          v_align="center")
+                          v_align='center')
 
         if show_signing_in_text:
             v -= signing_in_text_space
@@ -427,8 +427,8 @@ class AccountSettingsWindow(ba.Window):
                 scale=0.9,
                 color=(0, 1, 0),
                 maxwidth=self._sub_width * 0.8,
-                h_align="center",
+                h_align='center',
-                v_align="center")
+                v_align='center')
 
         if show_google_play_sign_in_button:
             button_width = 350
@@ -658,8 +658,8 @@ class AccountSettingsWindow(ba.Window):
                 scale=0.9,
                 color=(0.75, 0.7, 0.8),
                 maxwidth=self._sub_width * 0.8,
-                h_align="center",
+                h_align='center',
-                v_align="center")
+                v_align='center')
             v -= achievements_text_space * 0.5
         else:
             self._achievements_text = None
@@ -728,8 +728,8 @@ class AccountSettingsWindow(ba.Window):
                 scale=0.9,
                 color=(0.75, 0.7, 0.8),
                 maxwidth=self._sub_width * 0.8,
-                h_align="center",
+                h_align='center',
-                v_align="center")
+                v_align='center')
             v -= campaign_progress_space * 0.5
             self._refresh_campaign_progress_text()
         else:
@@ -746,8 +746,8 @@ class AccountSettingsWindow(ba.Window):
                                                color=(0.75, 0.7, 0.8),
                                                maxwidth=self._sub_width * 0.8,
                                                flatness=1.0,
-                                               h_align="center",
+                                               h_align='center',
-                                               v_align="center")
+                                               v_align='center')
             v -= tickets_space * 0.5
             self._refresh_tickets_text()
 
@@ -795,8 +795,8 @@ class AccountSettingsWindow(ba.Window):
                 scale=0.9,
                 color=(0.75, 0.7, 0.8),
                 maxwidth=self._sub_width * 0.95,
-                h_align="center",
+                h_align='center',
-                v_align="center")
+                v_align='center')
             v -= linked_accounts_text_space * 0.2
             self._update_linked_accounts_text()
         else:
@@ -1041,7 +1041,7 @@ class AccountSettingsWindow(ba.Window):
         # pylint: disable=cyclic-import
         from bastd.ui.profile import browser as pbrowser
         self._save_state()
-        ba.containerwidget(edit=self._root_widget, transition="out_left")
+        ba.containerwidget(edit=self._root_widget, transition='out_left')
         pbrowser.ProfileBrowserWindow(
             origin_widget=self._player_profiles_button)
 
@@ -1105,7 +1105,7 @@ class AccountSettingsWindow(ba.Window):
             elif sel == self._scrollwidget:
                 sel_name = 'Scroll'
             else:
-                raise Exception("unrecognized selection")
+                raise Exception('unrecognized selection')
             ba.app.window_states[self.__class__.__name__] = sel_name
         except Exception:
             ba.print_exception('exception saving state for', self.__class__)

assets/src/ba_data/python/bastd/ui/account/viewer.py

@@ -208,7 +208,7 @@ class AccountViewerWindow(popup.PopupWindow):
                     if trophystr == '':
                         trophystr = '-'
                 except Exception:
-                    ba.print_exception("Error displaying trophies")
+                    ba.print_exception('Error displaying trophies')
                 account_name_spacing = 15
                 tscale = 0.65
                 ts_height = _ba.get_string_height(trophystr,
@@ -255,7 +255,7 @@ class AccountViewerWindow(popup.PopupWindow):
                                     tint2_color=tint2_color)
                                 v -= 95
                     except Exception:
-                        ba.print_exception("Error displaying character")
+                        ba.print_exception('Error displaying character')
                     ba.textwidget(
                         parent=self._subcontainer,
                         size=(0, 0),

assets/src/ba_data/python/bastd/ui/appinvite.py

@@ -201,8 +201,8 @@ class ShowFriendCodeWindow(ba.Window):
             color=ba.app.infotextcolor,
             scale=1.0,
             flatness=1.0,
-            h_align="center",
+            h_align='center',
-            v_align="center",
+            v_align='center',
             text=ba.Lstr(resource='gatherWindow.shareThisCodeWithFriendsText'),
             maxwidth=self._width * 0.85)
 
@@ -211,8 +211,8 @@ class ShowFriendCodeWindow(ba.Window):
                       size=(0, 0),
                       color=(1.0, 3.0, 1.0),
                       scale=2.0,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center",
+                      v_align='center',
                       text=data['code'],
                       maxwidth=self._width * 0.85)
 
@@ -230,8 +230,8 @@ class ShowFriendCodeWindow(ba.Window):
             color=ba.app.infotextcolor,
             scale=1.0,
             flatness=1.0,
-            h_align="center",
+            h_align='center',
-            v_align="center",
+            v_align='center',
             text=ba.Lstr(
                 value='${A}\n${B}\n${C}\n${D}',
                 subs=[

assets/src/ba_data/python/bastd/ui/colorpicker.py

@@ -50,7 +50,7 @@ class ColorPicker(popup.PopupWindow):
 
         c_raw = get_player_colors()
         if len(c_raw) != 16:
-            raise Exception("expected 16 player colors")
+            raise Exception('expected 16 player colors')
         self.colors = [c_raw[0:4], c_raw[4:8], c_raw[8:12], c_raw[12:16]]
 
         if scale is None:
@@ -189,7 +189,7 @@ class ColorPickerExact(popup.PopupWindow):
         from ba.internal import get_player_colors
         c_raw = get_player_colors()
         if len(c_raw) != 16:
-            raise Exception("expected 16 player colors")
+            raise Exception('expected 16 player colors')
         self.colors = [c_raw[0:4], c_raw[4:8], c_raw[8:12], c_raw[12:16]]
 
         if scale is None:

assets/src/ba_data/python/bastd/ui/configerror.py

@@ -44,31 +44,31 @@ class ConfigErrorWindow(ba.Window):
             parent=self._root_widget,
             position=(padding, 220),
             size=(width - 2 * padding, 100 - 2 * padding),
-            h_align="center",
+            h_align='center',
-            v_align="top",
+            v_align='top',
             scale=0.73,
-            text=("Error reading BallisticaCore config file"
+            text=('Error reading BallisticaCore config file'
-                  ":\n\n\nCheck the console"
+                  ':\n\n\nCheck the console'
-                  " (press ~ twice) for details.\n\nWould you like to quit and"
+                  ' (press ~ twice) for details.\n\nWould you like to quit and'
-                  " try to fix it by hand\nor overwrite it with defaults?\n\n"
+                  ' try to fix it by hand\nor overwrite it with defaults?\n\n'
-                  "(high scores, player profiles, etc will be lost if you"
+                  '(high scores, player profiles, etc will be lost if you'
-                  " overwrite)"))
+                  ' overwrite)'))
         ba.textwidget(parent=self._root_widget,
                       position=(padding, 198),
                       size=(width - 2 * padding, 100 - 2 * padding),
-                      h_align="center",
+                      h_align='center',
-                      v_align="top",
+                      v_align='top',
                       scale=0.5,
                       text=self._config_file_path)
         quit_button = ba.buttonwidget(parent=self._root_widget,
                                       position=(35, 30),
                                       size=(240, 54),
-                                      label="Quit and Edit",
+                                      label='Quit and Edit',
                                       on_activate_call=self._quit)
         ba.buttonwidget(parent=self._root_widget,
                         position=(width - 370, 30),
                         size=(330, 54),
-                        label="Overwrite with Defaults",
+                        label='Overwrite with Defaults',
                         on_activate_call=self._defaults)
         ba.containerwidget(edit=self._root_widget,
                            cancel_button=quit_button,
@@ -86,7 +86,7 @@ class ConfigErrorWindow(ba.Window):
         from ba.internal import commit_app_config
         ba.containerwidget(edit=self._root_widget, transition='out_left')
         ba.playsound(ba.getsound('gunCocking'))
-        ba.screenmessage("settings reset.", color=(1, 1, 0))
+        ba.screenmessage('settings reset.', color=(1, 1, 0))
 
         # At this point settings are already set; lets just commit them
         # to disk.

assets/src/ba_data/python/bastd/ui/confirm.py

@@ -35,7 +35,7 @@ class ConfirmWindow:
     """Window for answering simple yes/no questions."""
 
     def __init__(self,
-                 text: Union[str, ba.Lstr] = "Are you sure?",
+                 text: Union[str, ba.Lstr] = 'Are you sure?',
                  action: Callable[[], Any] = None,
                  width: float = 360.0,
                  height: float = 100.0,
@@ -79,8 +79,8 @@ class ConfirmWindow:
         ba.textwidget(parent=self.root_widget,
                       position=(width * 0.5, height - 5 - (height - 75) * 0.5),
                       size=(0, 0),
-                      h_align="center",
+                      h_align='center',
-                      v_align="center",
+                      v_align='center',
                       text=text,
                       scale=text_scale,
                       color=color,

assets/src/ba_data/python/bastd/ui/coop/browser.py

@@ -86,7 +86,7 @@ class CoopBrowserWindow(ba.Window):
         self._width = 1320 if app.small_ui else 1120
         self._x_inset = x_inset = 100 if app.small_ui else 0
         self._height = (657 if app.small_ui else 730 if app.med_ui else 800)
-        app.main_window = "Coop Select"
+        app.main_window = 'Coop Select'
         self._r = 'coopSelectWindow'
         top_extra = 20 if app.small_ui else 0
 
@@ -188,11 +188,11 @@ class CoopBrowserWindow(ba.Window):
             size=(0, 0),
             text=ba.Lstr(resource='playModes.singlePlayerCoopText',
                          fallback_resource='playModes.coopText'),
-            h_align="center",
+            h_align='center',
             color=app.title_color,
             scale=1.5,
             maxwidth=500,
-            v_align="center")
+            v_align='center')
 
         if app.toolbars and app.small_ui:
             ba.textwidget(edit=txt, text='')
@@ -786,7 +786,7 @@ class CoopBrowserWindow(ba.Window):
                                                               v + 30),
                                                     size=(0, 0),
                                                     text='',
-                                                    h_align="left",
+                                                    h_align='left',
                                                     v_align='center',
                                                     color=ba.app.title_color,
                                                     scale=1.1)
@@ -831,7 +831,7 @@ class CoopBrowserWindow(ba.Window):
                       position=(h_base + 27, v + 30),
                       size=(0, 0),
                       text=txt,
-                      h_align="left",
+                      h_align='left',
                       v_align='center',
                       color=ba.app.title_color,
                       scale=1.1)
@@ -865,7 +865,7 @@ class CoopBrowserWindow(ba.Window):
                           position=(h_base + 47, v),
                           size=(0, 0),
                           text=unavailable_text,
-                          h_align="left",
+                          h_align='left',
                           v_align='center',
                           color=ba.app.title_color,
                           scale=0.9)
@@ -911,7 +911,7 @@ class CoopBrowserWindow(ba.Window):
                       text=ba.Lstr(
                           resource='practiceText',
                           fallback_resource='coopSelectWindow.customText'),
-                      h_align="left",
+                      h_align='left',
                       v_align='center',
                       color=ba.app.title_color,
                       scale=1.1)
@@ -1555,7 +1555,7 @@ class CoopBrowserWindow(ba.Window):
             elif sel == self._scrollwidget:
                 sel_name = 'Scroll'
             else:
-                raise Exception("unrecognized selection")
+                raise Exception('unrecognized selection')
             ba.app.window_states[self.__class__.__name__] = {
                 'sel_name': sel_name
             }

assets/src/ba_data/python/bastd/ui/coop/level.py

@@ -39,7 +39,7 @@ class CoopLevelLockedWindow(ba.Window):
         ba.textwidget(parent=self._root_widget,
                       position=(150 - 20, height * 0.63),
                       size=(0, 0),
-                      h_align="left",
+                      h_align='left',
                       v_align='center',
                       text=ba.Lstr(resource='levelIsLockedText',
                                    subs=[('${LEVEL}', name)]),
@@ -49,7 +49,7 @@ class CoopLevelLockedWindow(ba.Window):
         ba.textwidget(parent=self._root_widget,
                       position=(150 - 20, height * 0.48),
                       size=(0, 0),
-                      h_align="left",
+                      h_align='left',
                       v_align='center',
                       text=ba.Lstr(resource='levelMustBeCompletedFirstText',
                                    subs=[('${LEVEL}', dep_name)]),

assets/src/ba_data/python/bastd/ui/creditslist.py

@@ -92,10 +92,10 @@ class CreditsListWindow(ba.Window):
                       text=ba.Lstr(resource=self._r + '.titleText',
                                    subs=[('${APP_NAME}',
                                           ba.Lstr(resource='titleText'))]),
-                      h_align="center",
+                      h_align='center',
                       color=ba.app.title_color,
                       maxwidth=330,
-                      v_align="center")
+                      v_align='center')
 
         scroll = ba.scrollwidget(parent=self._root_widget,
                                  position=(40 + x_inset, 35),

assets/src/ba_data/python/bastd/ui/debug.py

@@ -74,9 +74,9 @@ class DebugWindow(ba.Window):
                       position=(0, height - 60),
                       size=(width, 30),
                       text=ba.Lstr(resource=self._r + '.titleText'),
-                      h_align="center",
+                      h_align='center',
                       color=ba.app.title_color,
-                      v_align="center",
+                      v_align='center',
                       maxwidth=260)
 
         self._scrollwidget = ba.scrollwidget(
@@ -130,8 +130,8 @@ class DebugWindow(ba.Window):
                       maxwidth=200,
                       color=ba.app.heading_color,
                       scale=0.85,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center")
+                      v_align='center')
         v -= 45
 
         x_offs = 165
@@ -143,8 +143,8 @@ class DebugWindow(ba.Window):
                       maxwidth=130,
                       color=ba.app.heading_color,
                       scale=0.65,
-                      h_align="right",
+                      h_align='right',
-                      v_align="center")
+                      v_align='center')
 
         popup.PopupMenu(
             parent=self._subcontainer,
@@ -169,16 +169,16 @@ class DebugWindow(ba.Window):
                       maxwidth=130,
                       color=ba.app.heading_color,
                       scale=0.65,
-                      h_align="right",
+                      h_align='right',
-                      v_align="center")
+                      v_align='center')
 
         self._stress_test_playlist_name_field = ba.textwidget(
             parent=self._subcontainer,
             position=(x_offs + 5, v - 5),
             size=(250, 46),
             text=self._stress_test_playlist,
-            h_align="left",
+            h_align='left',
-            v_align="center",
+            v_align='center',
             autoselect=True,
             color=(0.9, 0.9, 0.9, 1.0),
             description=ba.Lstr(resource=self._r +
@@ -195,8 +195,8 @@ class DebugWindow(ba.Window):
                       text=ba.Lstr(resource=self._r +
                                    '.stressTestPlayerCountText'),
                       color=(0.8, 0.8, 0.8, 1.0),
-                      h_align="right",
+                      h_align='right',
-                      v_align="center",
+                      v_align='center',
                       scale=0.65,
                       maxwidth=130)
         self._stress_test_player_count_text = ba.textwidget(
@@ -205,14 +205,14 @@ class DebugWindow(ba.Window):
             size=(60, 28),
             editable=False,
             color=(0.3, 1.0, 0.3, 1.0),
-            h_align="right",
+            h_align='right',
-            v_align="center",
+            v_align='center',
             text=str(self._stress_test_player_count),
             padding=2)
         ba.buttonwidget(parent=self._subcontainer,
                         position=(330 - x_sub, v - 11),
                         size=(28, 28),
-                        label="-",
+                        label='-',
                         autoselect=True,
                         on_activate_call=ba.Call(
                             self._stress_test_player_count_decrement),
@@ -221,7 +221,7 @@ class DebugWindow(ba.Window):
         ba.buttonwidget(parent=self._subcontainer,
                         position=(380 - x_sub, v - 11),
                         size=(28, 28),
-                        label="+",
+                        label='+',
                         autoselect=True,
                         on_activate_call=ba.Call(
                             self._stress_test_player_count_increment),
@@ -236,8 +236,8 @@ class DebugWindow(ba.Window):
                       text=ba.Lstr(resource=self._r +
                                    '.stressTestRoundDurationText'),
                       color=(0.8, 0.8, 0.8, 1.0),
-                      h_align="right",
+                      h_align='right',
-                      v_align="center",
+                      v_align='center',
                       scale=0.65,
                       maxwidth=130)
         self._stress_test_round_duration_text = ba.textwidget(
@@ -246,14 +246,14 @@ class DebugWindow(ba.Window):
             size=(60, 28),
             editable=False,
             color=(0.3, 1.0, 0.3, 1.0),
-            h_align="right",
+            h_align='right',
-            v_align="center",
+            v_align='center',
             text=str(self._stress_test_round_duration),
             padding=2)
         ba.buttonwidget(parent=self._subcontainer,
                         position=(330 - x_sub, v - 11),
                         size=(28, 28),
-                        label="-",
+                        label='-',
                         autoselect=True,
                         on_activate_call=ba.Call(
                             self._stress_test_round_duration_decrement),
@@ -262,7 +262,7 @@ class DebugWindow(ba.Window):
         ba.buttonwidget(parent=self._subcontainer,
                         position=(380 - x_sub, v - 11),
                         size=(28, 28),
-                        label="+",
+                        label='+',
                         autoselect=True,
                         on_activate_call=ba.Call(
                             self._stress_test_round_duration_increment),

assets/src/ba_data/python/bastd/ui/feedback.py

@@ -51,7 +51,7 @@ def ask_for_rating() -> Optional[ba.Widget]:
     ba.imagewidget(parent=dlg,
                    position=(width / 2 - 100, v + 10),
                    size=(200, 200),
-                   texture=ba.gettexture("cuteSpaz"))
+                   texture=ba.gettexture('cuteSpaz'))
     ba.textwidget(parent=dlg,
                   position=(15, v - 55),
                   size=(width - 30, 30),
@@ -62,8 +62,8 @@ def ask_for_rating() -> Optional[ba.Widget]:
                   maxwidth=width * 0.95,
                   max_height=130,
                   scale=0.85,
-                  h_align="center",
+                  h_align='center',
-                  v_align="center")
+                  v_align='center')
 
     def do_rating() -> None:
         if platform == 'android':

assets/src/ba_data/python/bastd/ui/fileselector.py

@@ -72,8 +72,8 @@ class FileSelectorWindow(ba.Window):
             position=(self._width * 0.5, self._height - 42),
             size=(0, 0),
             color=ba.app.title_color,
-            h_align="center",
+            h_align='center',
-            v_align="center",
+            v_align='center',
             text=ba.Lstr(resource=self._r + '.titleFolderText') if
             (allow_folders and not valid_file_extensions) else ba.Lstr(
                 resource=self._r +
@@ -120,8 +120,8 @@ class FileSelectorWindow(ba.Window):
                                                   self._height - 98),
                                         size=(0, 0),
                                         color=ba.app.title_color,
-                                        h_align="center",
+                                        h_align='center',
-                                        v_align="center",
+                                        v_align='center',
                                         text=self._path,
                                         maxwidth=self._width * 0.9)
         self._scrollwidget: Optional[ba.Widget] = None

assets/src/ba_data/python/bastd/ui/gather.py

@@ -55,7 +55,7 @@ class GatherWindow(ba.Window):
         else:
             self._transition_out = 'out_right'
             scale_origin = None
-        ba.app.main_window = "Gather"
+        ba.app.main_window = 'Gather'
         _ba.set_party_icon_always_visible(True)
         self._public_parties: Dict[str, Dict[str, Any]] = {}
         self._width = 1240 if ba.app.small_ui else 1040
@@ -138,8 +138,8 @@ class GatherWindow(ba.Window):
                       size=(0, 0),
                       color=ba.app.title_color,
                       scale=1.5,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center",
+                      v_align='center',
                       text=ba.Lstr(resource=self._r + '.titleText'),
                       maxwidth=550)
 
@@ -1948,7 +1948,7 @@ class GatherWindow(ba.Window):
             elif sel == self._tab_container:
                 sel_name = 'TabContainer'
             else:
-                raise Exception("unrecognized selection: " + str(sel))
+                raise Exception('unrecognized selection: ' + str(sel))
             ba.app.window_states[self.__class__.__name__] = {
                 'sel_name': sel_name,
                 'tab': self._current_tab,

assets/src/ba_data/python/bastd/ui/getcurrency.py

@@ -100,8 +100,8 @@ class GetCurrencyWindow(ba.Window):
                       size=(0, 0),
                       color=ba.app.title_color,
                       scale=1.2,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center",
+                      v_align='center',
                       text=ba.Lstr(resource=self._r + '.titleText'),
                       maxwidth=290)
 

assets/src/ba_data/python/bastd/ui/helpui.py

@@ -78,8 +78,8 @@ class HelpWindow(ba.Window):
                                    subs=[('${APP_NAME}',
                                           ba.Lstr(resource='titleText'))]),
                       color=ba.app.title_color,
-                      h_align="center",
+                      h_align='center',
-                      v_align="top")
+                      v_align='top')
 
         self._scrollwidget = ba.scrollwidget(
             parent=self._root_widget,
@@ -110,7 +110,7 @@ class HelpWindow(ba.Window):
                 size=(140, 60),
                 scale=0.7 if ba.app.small_ui else 0.8,
                 label=ba.Lstr(
-                    resource='backText') if self._main_menu else "Close",
+                    resource='backText') if self._main_menu else 'Close',
                 button_type='back' if self._main_menu else None,
                 extra_touch_border_scale=2.0,
                 autoselect=True,
@@ -158,9 +158,9 @@ class HelpWindow(ba.Window):
                       flatness=0.5,
                       res_scale=1.5,
                       text=txt,
-                      h_align="center",
+                      h_align='center',
                       color=header,
-                      v_align="center",
+                      v_align='center',
                       maxwidth=txt_maxwidth)
         txt_width = min(
             txt_maxwidth,
@@ -223,9 +223,9 @@ class HelpWindow(ba.Window):
                           scale=1.2,
                           maxwidth=self._sub_width * 0.9,
                           text=txt,
-                          h_align="center",
+                          h_align='center',
                           color=paragraph,
-                          v_align="center",
+                          v_align='center',
                           flatness=1.0)
             v -= (spacing * 25.0 +
                   get_resource(self._r + '.someDaysExtraSpace'))
@@ -238,9 +238,9 @@ class HelpWindow(ba.Window):
                           scale=txt_scale,
                           maxwidth=self._sub_width * 0.9,
                           text=txt,
-                          h_align="center",
+                          h_align='center',
                           color=paragraph,
-                          v_align="center",
+                          v_align='center',
                           flatness=1.0)
             v -= (spacing * 27.0 +
                   get_resource(self._r + '.orPunchingSomethingExtraSpace'))
@@ -254,9 +254,9 @@ class HelpWindow(ba.Window):
                           scale=txt_scale,
                           flatness=1.0,
                           text=txt,
-                          h_align="center",
+                          h_align='center',
                           color=paragraph,
-                          v_align="center")
+                          v_align='center')
 
             v -= spacing * 70.0
             txt_scale = 1.0
@@ -267,9 +267,9 @@ class HelpWindow(ba.Window):
                           scale=txt_scale,
                           maxwidth=self._sub_width * 0.9,
                           text=txt,
-                          h_align="center",
+                          h_align='center',
                           color=header,
-                          v_align="center",
+                          v_align='center',
                           flatness=1.0)
 
             v -= spacing * 40.0
@@ -282,9 +282,9 @@ class HelpWindow(ba.Window):
                           scale=txt_scale,
                           maxwidth=100,
                           text=txt,
-                          h_align="right",
+                          h_align='right',
                           color=header,
-                          v_align="center",
+                          v_align='center',
                           flatness=1.0)
 
             txt = ba.Lstr(resource=self._r + '.friendsGoodText',
@@ -297,7 +297,7 @@ class HelpWindow(ba.Window):
                           scale=txt_scale,
                           maxwidth=500,
                           text=txt,
-                          h_align="left",
+                          h_align='left',
                           color=paragraph,
                           flatness=1.0)
 
@@ -315,9 +315,9 @@ class HelpWindow(ba.Window):
                           scale=txt_scale,
                           maxwidth=100,
                           text=txt,
-                          h_align="right",
+                          h_align='right',
                           color=header,
-                          v_align="center",
+                          v_align='center',
                           flatness=1.0)
 
             txt_scale = 0.7
@@ -340,7 +340,7 @@ class HelpWindow(ba.Window):
                           maxwidth=500,
                           max_height=105,
                           text=txt,
-                          h_align="left",
+                          h_align='left',
                           color=paragraph,
                           flatness=1.0)
 
@@ -355,9 +355,9 @@ class HelpWindow(ba.Window):
                       scale=txt_scale,
                       flatness=0.5,
                       text=txt,
-                      h_align="center",
+                      h_align='center',
                       color=header,
-                      v_align="center",
+                      v_align='center',
                       res_scale=1.5,
                       maxwidth=txt_maxwidth)
         txt_width = min(
@@ -385,9 +385,9 @@ class HelpWindow(ba.Window):
                       maxwidth=self._sub_width * 0.9,
                       flatness=1.0,
                       text=txt,
-                      h_align="center",
+                      h_align='center',
                       color=paragraph,
-                      v_align="center")
+                      v_align='center')
         v -= spacing * 160.0
 
         sep = 70
@@ -410,9 +410,9 @@ class HelpWindow(ba.Window):
                       scale=txt_scale,
                       flatness=1.0,
                       text=txt,
-                      h_align="center",
+                      h_align='center',
                       color=(1, 0.7, 0.3, 1.0),
-                      v_align="top")
+                      v_align='top')
 
         hval2 = h + sep
         vval2 = v
@@ -432,9 +432,9 @@ class HelpWindow(ba.Window):
                       flatness=1.0,
                       maxwidth=270,
                       text=txt,
-                      h_align="center",
+                      h_align='center',
                       color=(1, 0.3, 0.3, 1.0),
-                      v_align="top")
+                      v_align='top')
 
         hval2 = h
         vval2 = v + sep
@@ -453,9 +453,9 @@ class HelpWindow(ba.Window):
                       scale=txt_scale,
                       flatness=1.0,
                       text=txtl,
-                      h_align="center",
+                      h_align='center',
                       color=(0.5, 0.5, 1, 1.0),
-                      v_align="top")
+                      v_align='top')
 
         hval2 = h
         vval2 = v - sep
@@ -474,9 +474,9 @@ class HelpWindow(ba.Window):
                       scale=txt_scale,
                       flatness=1.0,
                       text=txt,
-                      h_align="center",
+                      h_align='center',
                       color=(0.4, 1, 0.4, 1.0),
-                      v_align="top")
+                      v_align='top')
 
         txt = ba.Lstr(resource=self._r + '.runInfoText').evaluate()
         txt_scale = get_resource(self._r + '.runInfoTextScale')
@@ -487,9 +487,9 @@ class HelpWindow(ba.Window):
                       maxwidth=self._sub_width * 0.93,
                       flatness=1.0,
                       text=txt,
-                      h_align="center",
+                      h_align='center',
                       color=(0.7, 0.7, 1.0, 1.0),
-                      v_align="center")
+                      v_align='center')
 
         v -= spacing * 280.0
 
@@ -502,9 +502,9 @@ class HelpWindow(ba.Window):
                       scale=txt_scale,
                       flatness=0.5,
                       text=txt,
-                      h_align="center",
+                      h_align='center',
                       color=header,
-                      v_align="center",
+                      v_align='center',
                       maxwidth=txt_maxwidth)
         txt_width = min(
             txt_maxwidth,
@@ -526,9 +526,9 @@ class HelpWindow(ba.Window):
                       scale=txt_scale,
                       maxwidth=self._sub_width * 0.9,
                       text=txt,
-                      h_align="center",
+                      h_align='center',
                       color=paragraph,
-                      v_align="center",
+                      v_align='center',
                       flatness=1.0)
 
         v -= spacing * 1.0
@@ -578,9 +578,9 @@ class HelpWindow(ba.Window):
                           maxwidth=200,
                           flatness=1.0,
                           text=txtl,
-                          h_align="left",
+                          h_align='left',
                           color=header2,
-                          v_align="center")
+                          v_align='center')
             txt_scale = t_small
             txtl = desc
             ba.textwidget(parent=self._subcontainer,
@@ -590,9 +590,9 @@ class HelpWindow(ba.Window):
                           maxwidth=300,
                           flatness=1.0,
                           text=txtl,
-                          h_align="left",
+                          h_align='left',
                           color=paragraph,
-                          v_align="center",
+                          v_align='center',
                           res_scale=0.5)
 
     def _close(self) -> None:

assets/src/ba_data/python/bastd/ui/league/rankbutton.py

@@ -193,7 +193,7 @@ class LeagueRankButton:
                     size=(0, 0),
                     h_align='center',
                     v_align='center',
-                    text='+' + self._improvement_text + "!",
+                    text='+' + self._improvement_text + '!',
                     position=(self._position[0] +
                               self._size[0] * 0.5 * self._scale,
                               self._position[1] +

assets/src/ba_data/python/bastd/ui/league/rankwindow.py

@@ -97,11 +97,11 @@ class LeagueRankWindow(ba.Window):
             text=ba.Lstr(
                 resource='league.leagueRankText',
                 fallback_resource='coopSelectWindow.powerRankingText'),
-            h_align="center",
+            h_align='center',
             color=ba.app.title_color,
             scale=1.4,
             maxwidth=600,
-            v_align="center")
+            v_align='center')
 
         ba.buttonwidget(edit=btn,
                         button_type='backSmall',

assets/src/ba_data/python/bastd/ui/mainmenu.py

@@ -673,7 +673,7 @@ class MainMenuWindow(ba.Window):
                     if (not isinstance(cme, dict) or 'label' not in cme
                             or not isinstance(cme['label'], (str, ba.Lstr))
                             or 'call' not in cme or not callable(cme['call'])):
-                        raise Exception("invalid custom menu entry: " +
+                        raise Exception('invalid custom menu entry: ' +
                                         str(cme))
             except Exception:
                 custom_menu_entries = []

assets/src/ba_data/python/bastd/ui/partyqueue.py

@@ -248,8 +248,8 @@ class PartyQueueWindow(ba.Window):
             size=(0, 0),
             color=(1.0, 3.0, 1.0),
             scale=1.3,
-            h_align="center",
+            h_align='center',
-            v_align="center",
+            v_align='center',
             text=ba.Lstr(resource='internal.connectingToPartyText'),
             maxwidth=self._width * 0.65)
 
@@ -259,8 +259,8 @@ class PartyQueueWindow(ba.Window):
                                            size=(0, 0),
                                            color=(0.2, 1.0, 0.2),
                                            scale=0.7,
-                                           h_align="center",
+                                           h_align='center',
-                                           v_align="center",
+                                           v_align='center',
                                            text='')
 
         # update at roughly 30fps
@@ -420,8 +420,8 @@ class PartyQueueWindow(ba.Window):
                         size=(0, 0),
                         color=(0.8, 1.0, 0.8),
                         scale=1.5,
-                        h_align="center",
+                        h_align='center',
-                        v_align="center",
+                        v_align='center',
                         text=ba.Lstr(resource='boostText'),
                         maxwidth=150)
                     self._boost_price = ba.textwidget(
@@ -431,8 +431,8 @@ class PartyQueueWindow(ba.Window):
                         size=(0, 0),
                         color=(0, 1, 0),
                         scale=0.9,
-                        h_align="center",
+                        h_align='center',
-                        v_align="center",
+                        v_align='center',
                         text=ba.charstr(ba.SpecialChar.TICKET) +
                         str(self._boost_tickets),
                         maxwidth=150)

assets/src/ba_data/python/bastd/ui/play.py

@@ -86,8 +86,8 @@ class PlayWindow(ba.Window):
                             res_scale=2.0,
                             maxwidth=400,
                             color=ba.app.heading_color,
-                            h_align="center",
+                            h_align='center',
-                            v_align="center")
+                            v_align='center')
 
         ba.buttonwidget(edit=btn,
                         button_type='backSmall',
@@ -123,7 +123,7 @@ class PlayWindow(ba.Window):
             size=(scl * button_width, scl * (300 if new_style else 360)),
             extra_touch_border_scale=0.1,
             autoselect=True,
-            label="",
+            label='',
             button_type='square',
             text_scale=1.13,
             on_activate_call=self._coop)
@@ -206,7 +206,7 @@ class PlayWindow(ba.Window):
             size=(scl * button_width, scl * (300 if new_style else 360)),
             extra_touch_border_scale=0.1,
             autoselect=True,
-            label="",
+            label='',
             button_type='square',
             text_scale=1.13,
             on_activate_call=self._team_tourney)
@@ -310,7 +310,7 @@ class PlayWindow(ba.Window):
             size=(scl * button_width, scl * (300 if new_style else 360)),
             extra_touch_border_scale=0.1,
             autoselect=True,
-            label="",
+            label='',
             button_type='square',
             text_scale=1.13,
             on_activate_call=self._free_for_all)
@@ -538,7 +538,7 @@ class PlayWindow(ba.Window):
             elif sel == self._back_button:
                 sel_name = 'Back'
             else:
-                raise Exception("unrecognized selected widget")
+                raise Exception('unrecognized selected widget')
             ba.app.window_states[self.__class__.__name__] = sel_name
         except Exception:
             ba.print_exception('error saving state for', self.__class__)

assets/src/ba_data/python/bastd/ui/playlist/addgame.py

@@ -163,8 +163,8 @@ class PlaylistAddGameWindow(ba.Window):
                                 position=(0, 0),
                                 size=(self._width - 88, 24),
                                 text=gametype.get_display_string(),
-                                h_align="left",
+                                h_align='left',
-                                v_align="center",
+                                v_align='center',
                                 color=(0.8, 0.8, 0.8, 1.0),
                                 maxwidth=self._scroll_width * 0.8,
                                 on_select_call=ba.Call(

assets/src/ba_data/python/bastd/ui/playlist/browser.py

@@ -56,10 +56,10 @@ class PlaylistBrowserWindow(ba.Window):
 
         # Store state for when we exit the next game.
         if issubclass(sessiontype, ba.DualTeamSession):
-            ba.app.main_window = "Team Game Select"
+            ba.app.main_window = 'Team Game Select'
             ba.set_analytics_screen('Teams Window')
         elif issubclass(sessiontype, ba.FreeForAllSession):
-            ba.app.main_window = "Free-for-All Game Select"
+            ba.app.main_window = 'Free-for-All Game Select'
             ba.set_analytics_screen('FreeForAll Window')
         else:
             raise Exception(f'invalid sessiontype: {sessiontype}')
@@ -237,8 +237,8 @@ class PlaylistBrowserWindow(ba.Window):
             scale=1.3,
             res_scale=1.5,
             color=ba.app.heading_color,
-            h_align="center",
+            h_align='center',
-            v_align="center")
+            v_align='center')
         if ba.app.small_ui and ba.app.toolbars:
             ba.textwidget(edit=txt, text='')
 
@@ -415,7 +415,7 @@ class PlaylistBrowserWindow(ba.Window):
                         elif self._sessiontype is ba.DualTeamSession:
                             playlist = get_default_teams_playlist()
                         else:
-                            raise Exception("unrecognized session-type: " +
+                            raise Exception('unrecognized session-type: ' +
                                             str(self._sessiontype))
                     else:
                         if name not in bs_config[self._pvars.config_name +
@@ -507,7 +507,7 @@ class PlaylistBrowserWindow(ba.Window):
                             v -= scl * 130.0
 
                 except Exception:
-                    ba.print_exception("error listing playlist maps")
+                    ba.print_exception('error listing playlist maps')
 
                 if not map_images:
                     ba.textwidget(parent=self._subcontainer,
@@ -625,7 +625,7 @@ class PlaylistBrowserWindow(ba.Window):
                 else:
                     sel_name = 'Scroll'
             else:
-                raise Exception("unrecognized selected widget")
+                raise Exception('unrecognized selected widget')
             ba.app.window_states[self.__class__.__name__] = sel_name
         except Exception:
             ba.print_exception('error saving state for', self.__class__)

assets/src/ba_data/python/bastd/ui/playlist/customizebrowser.py

@@ -90,8 +90,8 @@ class PlaylistCustomizeBrowserWindow(ba.Window):
                                           self._pvars.window_title_name)]),
                       color=ba.app.heading_color,
                       maxwidth=290,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center")
+                      v_align='center')
 
         ba.buttonwidget(edit=btn,
                         button_type='backSmall',
@@ -300,7 +300,7 @@ class PlaylistCustomizeBrowserWindow(ba.Window):
             _ba.new_host_session(self._sessiontype)
         except Exception:
             from bastd import mainmenu
-            ba.print_exception("exception running session", self._sessiontype)
+            ba.print_exception('exception running session', self._sessiontype)
 
             # Drop back into a main menu session.
             _ba.new_host_session(mainmenu.MainMenuSession)

assets/src/ba_data/python/bastd/ui/playlist/edit.py

@@ -88,8 +88,8 @@ class PlaylistEditWindow(ba.Window):
                       text=ba.Lstr(resource=self._r + '.titleText'),
                       color=ba.app.title_color,
                       scale=1.05,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center",
+                      v_align='center',
                       maxwidth=270)
 
         v = self._height - 115.0
@@ -111,8 +111,8 @@ class PlaylistEditWindow(ba.Window):
             position=(210 + x_inset, v + 7),
             size=(self._scroll_width - 53, 43),
             text=self._editcontroller.get_name(),
-            h_align="left",
+            h_align='left',
-            v_align="center",
+            v_align='center',
             max_chars=40,
             autoselect=True,
             color=(0.9, 0.9, 0.9, 1.0),

assets/src/ba_data/python/bastd/ui/playlist/editgame.py

@@ -70,7 +70,7 @@ class PlaylistEditGameWindow(ba.Window):
         valid_maps = gameclass.get_supported_maps(sessiontype)
         if not valid_maps:
             ba.screenmessage(ba.Lstr(resource='noValidMapsErrorText'))
-            raise Exception("No valid maps")
+            raise Exception('No valid maps')
 
         self._settings_defs = gameclass.get_settings(sessiontype)
         self._completion_call = completion_call
@@ -115,7 +115,7 @@ class PlaylistEditGameWindow(ba.Window):
 
         map_tex_name = (get_map_class(self._map).get_preview_texture_name())
         if map_tex_name is None:
-            raise Exception("no map preview tex found for" + self._map)
+            raise Exception('no map preview tex found for' + self._map)
         map_tex = ba.gettexture(map_tex_name)
 
         top_extra = 20 if ba.app.small_ui else 0
@@ -160,8 +160,8 @@ class PlaylistEditGameWindow(ba.Window):
                       color=ba.app.title_color,
                       maxwidth=235,
                       scale=1.1,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center")
+                      v_align='center')
 
         map_height = 100
 
@@ -205,9 +205,9 @@ class PlaylistEditGameWindow(ba.Window):
                       size=(100, 30),
                       maxwidth=110,
                       text=ba.Lstr(resource='mapText'),
-                      h_align="left",
+                      h_align='left',
                       color=(0.8, 0.8, 0.8, 1.0),
-                      v_align="center")
+                      v_align='center')
 
         ba.imagewidget(
             parent=self._subcontainer,
@@ -234,9 +234,9 @@ class PlaylistEditGameWindow(ba.Window):
                       scale=0.55,
                       maxwidth=256 * 0.7 * 0.8,
                       text=get_map_display_string(self._map),
-                      h_align="center",
+                      h_align='center',
                       color=(0.6, 1.0, 0.6, 1.0),
-                      v_align="center")
+                      v_align='center')
         v -= map_height
 
         for setting_name, setting in self._settings_defs:
@@ -269,16 +269,16 @@ class PlaylistEditGameWindow(ba.Window):
                             repr(choice))
                     if not isinstance(choice[0], str):
                         raise Exception(
-                            "First value for choice tuple must be a str; got: "
+                            'First value for choice tuple must be a str; got: '
                             + repr(choice))
                     if not isinstance(choice[1], value_type):
                         raise Exception(
-                            "Choice type does not match default value; choice:"
+                            'Choice type does not match default value; choice:'
-                            + repr(choice) + "; setting:" + repr(setting))
+                            + repr(choice) + '; setting:' + repr(setting))
                 if value_type not in (int, float):
                     raise Exception(
-                        "Choice type setting must have int or float default; "
+                        'Choice type setting must have int or float default; '
-                        "got: " + repr(setting))
+                        'got: ' + repr(setting))
 
                 # Start at the choice corresponding to the default if possible.
                 self._choice_selections[setting_name] = 0
@@ -293,9 +293,9 @@ class PlaylistEditGameWindow(ba.Window):
                               size=(100, 30),
                               maxwidth=mw1,
                               text=name_translated,
-                              h_align="left",
+                              h_align='left',
                               color=(0.8, 0.8, 0.8, 1.0),
-                              v_align="center")
+                              v_align='center')
                 txt = ba.textwidget(
                     parent=self._subcontainer,
                     position=(h + 509 - 95, v),
@@ -305,13 +305,13 @@ class PlaylistEditGameWindow(ba.Window):
                     editable=False,
                     color=(0.6, 1.0, 0.6, 1.0),
                     maxwidth=mw2,
-                    h_align="right",
+                    h_align='right',
-                    v_align="center",
+                    v_align='center',
                     padding=2)
                 btn1 = ba.buttonwidget(parent=self._subcontainer,
                                        position=(h + 509 - 50 - 1, v),
                                        size=(28, 28),
-                                       label="<",
+                                       label='<',
                                        autoselect=True,
                                        on_activate_call=ba.Call(
                                            self._choice_inc, setting_name, txt,
@@ -320,7 +320,7 @@ class PlaylistEditGameWindow(ba.Window):
                 btn2 = ba.buttonwidget(parent=self._subcontainer,
                                        position=(h + 509 + 5, v),
                                        size=(28, 28),
-                                       label=">",
+                                       label='>',
                                        autoselect=True,
                                        on_activate_call=ba.Call(
                                            self._choice_inc, setting_name, txt,
@@ -346,9 +346,9 @@ class PlaylistEditGameWindow(ba.Window):
                               position=(h + 50, v),
                               size=(100, 30),
                               text=name_translated,
-                              h_align="left",
+                              h_align='left',
                               color=(0.8, 0.8, 0.8, 1.0),
-                              v_align="center",
+                              v_align='center',
                               maxwidth=mw1)
                 txt = ba.textwidget(parent=self._subcontainer,
                                     position=(h + 509 - 95, v),
@@ -357,13 +357,13 @@ class PlaylistEditGameWindow(ba.Window):
                                     editable=False,
                                     color=(0.6, 1.0, 0.6, 1.0),
                                     maxwidth=mw2,
-                                    h_align="right",
+                                    h_align='right',
-                                    v_align="center",
+                                    v_align='center',
                                     padding=2)
                 btn1 = ba.buttonwidget(parent=self._subcontainer,
                                        position=(h + 509 - 50 - 1, v),
                                        size=(28, 28),
-                                       label="-",
+                                       label='-',
                                        autoselect=True,
                                        on_activate_call=ba.Call(
                                            self._inc, txt, min_value,
@@ -373,7 +373,7 @@ class PlaylistEditGameWindow(ba.Window):
                 btn2 = ba.buttonwidget(parent=self._subcontainer,
                                        position=(h + 509 + 5, v),
                                        size=(28, 28),
-                                       label="+",
+                                       label='+',
                                        autoselect=True,
                                        on_activate_call=ba.Call(
                                            self._inc, txt, min_value,
@@ -388,9 +388,9 @@ class PlaylistEditGameWindow(ba.Window):
                               position=(h + 50, v),
                               size=(100, 30),
                               text=name_translated,
-                              h_align="left",
+                              h_align='left',
                               color=(0.8, 0.8, 0.8, 1.0),
-                              v_align="center",
+                              v_align='center',
                               maxwidth=mw1)
                 txt = ba.textwidget(
                     parent=self._subcontainer,
@@ -401,8 +401,8 @@ class PlaylistEditGameWindow(ba.Window):
                     editable=False,
                     color=(0.6, 1.0, 0.6, 1.0),
                     maxwidth=mw2,
-                    h_align="right",
+                    h_align='right',
-                    v_align="center",
+                    v_align='center',
                     padding=2)
                 cbw = ba.checkboxwidget(parent=self._subcontainer,
                                         text='',

assets/src/ba_data/python/bastd/ui/playlist/mapselect.py

@@ -87,8 +87,8 @@ class PlaylistMapSelectWindow(ba.Window):
                                           self._gameclass.get_display_string())
                                          ]),
                       color=ba.app.title_color,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center")
+                      v_align='center')
         v = height - 70
         self._scroll_width = width - (80 + 2 * x_inset)
         self._scroll_height = height - 140
@@ -183,7 +183,7 @@ class PlaylistMapSelectWindow(ba.Window):
                 if x == columns - 1 and ba.app.toolbars:
                     ba.widget(
                         edit=btn,
-                        right_widget=_ba.get_special_widget("party_button"))
+                        right_widget=_ba.get_special_widget('party_button'))
 
                 ba.widget(edit=btn, show_buffer_top=60, show_buffer_bottom=60)
                 if self._maps[index][0] == self._previous_map:

assets/src/ba_data/python/bastd/ui/playlist/share.py

@@ -116,8 +116,8 @@ class SharePlaylistResultsWindow(ba.Window):
                       color=ba.app.infotextcolor,
                       scale=1.0,
                       flatness=1.0,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center",
+                      v_align='center',
                       text=ba.Lstr(resource='exportSuccessText',
                                    subs=[('${NAME}', name)]),
                       maxwidth=self._width * 0.85)
@@ -129,8 +129,8 @@ class SharePlaylistResultsWindow(ba.Window):
             color=ba.app.infotextcolor,
             scale=0.6,
             flatness=1.0,
-            h_align="center",
+            h_align='center',
-            v_align="center",
+            v_align='center',
             text=ba.Lstr(resource='importPlaylistCodeInstructionsText'),
             maxwidth=self._width * 0.85)
 
@@ -139,8 +139,8 @@ class SharePlaylistResultsWindow(ba.Window):
                       size=(0, 0),
                       color=(1.0, 3.0, 1.0),
                       scale=2.3,
-                      h_align="center",
+                      h_align='center',
-                      v_align="center",
+                      v_align='center',
                       text=data,
                       maxwidth=self._width * 0.85)
 

assets/src/ba_data/python/bastd/ui/playoptions.py

@@ -93,7 +93,7 @@ class PlayOptionsWindow(popup.PopupWindow):
                 elif self._sessiontype is ba.DualTeamSession:
                     plst = get_default_teams_playlist()
                 else:
-                    raise Exception("unrecognized session-type: " +
+                    raise Exception('unrecognized session-type: ' +
                                     str(self._sessiontype))
             else:
                 try:
@@ -141,7 +141,7 @@ class PlayOptionsWindow(popup.PopupWindow):
                 self._height += self._row_height * rows
 
         except Exception:
-            ba.print_exception("error listing playlist maps")
+            ba.print_exception('error listing playlist maps')
 
         show_shuffle_check_box = game_count > 1
 
@@ -165,8 +165,8 @@ class PlayOptionsWindow(popup.PopupWindow):
                                          scale=1.4,
                                          color=(1, 1, 1),
                                          maxwidth=self._width * 0.7,
-                                         h_align="center",
+                                         h_align='center',
-                                         v_align="center")
+                                         v_align='center')
 
         self._cancel_button = ba.buttonwidget(
             parent=self.root_widget,
@@ -439,7 +439,7 @@ class PlayOptionsWindow(popup.PopupWindow):
             _ba.new_host_session(self._sessiontype)
         except Exception:
             from bastd import mainmenu
-            ba.print_exception("exception running session", self._sessiontype)
+            ba.print_exception('exception running session', self._sessiontype)
 
             # Drop back into a main menu session.
             _ba.new_host_session(mainmenu.MainMenuSession)

assets/src/ba_data/python/bastd/ui/popup.py

@@ -43,7 +43,7 @@ class PopupWindow:
                  bg_color: Tuple[float, float, float] = (0.35, 0.55, 0.15),
                  focus_position: Tuple[float, float] = (0, 0),
                  focus_size: Tuple[float, float] = None,
-                 toolbar_visibility: str = "menu_minimal_no_back"):
+                 toolbar_visibility: str = 'menu_minimal_no_back'):
         # pylint: disable=too-many-locals
         if focus_size is None:
             focus_size = size
@@ -153,7 +153,7 @@ class PopupMenuWindow(PopupWindow):
         self._choices_disabled = list(choices_disabled)
         self._done_building = False
         if not choices:
-            raise Exception("Must pass at least one choice")
+            raise Exception('Must pass at least one choice')
         self._width = width
         self._scale = scale
         if len(choices) > 8:
@@ -302,7 +302,7 @@ class PopupMenu:
             current_choice = None
         self._choices = list(choices)
         if not choices:
-            raise Exception("no choices given")
+            raise Exception('no choices given')
         self._choices_display = list(choices_display)
         self._choices_disabled = list(choices_disabled)
         self._width = width
@@ -313,7 +313,7 @@ class PopupMenu:
         self._position = position
         self._parent = parent
         if not choices:
-            raise Exception("Must pass at least one choice")
+            raise Exception('Must pass at least one choice')
         self._parent = parent
         self._button_size = button_size