Dev model providers (#3628)

* gemini 初始化参数问题

* gemini 同步工具调用

model-providers/model_providers/core/model_runtime/model_providers/google/llm/llm.py

@@ -1,3 +1,4 @@
+import json
 import logging
 from collections.abc import Generator
 from typing import Optional, Union
@@ -5,13 +6,14 @@ from typing import Optional, Union
 import google.api_core.exceptions as exceptions
 import google.generativeai as genai
 import google.generativeai.client as client
+from google.ai.generativelanguage_v1beta import FunctionCall, FunctionResponse
 from google.generativeai.types import (
     ContentType,
     GenerateContentResponse,
     HarmBlockThreshold,
     HarmCategory,
 )
-from google.generativeai.types.content_types import to_part
+from google.generativeai.types.content_types import to_part, FunctionDeclaration, Tool, FunctionLibrary
 
 from model_providers.core.model_runtime.entities.llm_entities import (
     LLMResult,
@@ -81,7 +83,7 @@ class GoogleLargeLanguageModel(LargeLanguageModel):
         """
         # invoke model
         return self._generate(
-            model, credentials, prompt_messages, model_parameters, stop, stream, user
+            model, credentials, prompt_messages, model_parameters, tools, stop, stream, user
         )
 
     def get_num_tokens(
@@ -143,6 +145,7 @@ class GoogleLargeLanguageModel(LargeLanguageModel):
             credentials: dict,
             prompt_messages: list[PromptMessage],
             model_parameters: dict,
+            tools: Optional[list[PromptMessageTool]] = None,
             stop: Optional[list[str]] = None,
             stream: bool = True,
             user: Optional[str] = None,
@@ -160,9 +163,13 @@ class GoogleLargeLanguageModel(LargeLanguageModel):
         :return: full response or stream response chunk generator result
         """
         config_kwargs = model_parameters.copy()
-        config_kwargs["max_output_tokens"] = config_kwargs.pop(
+        config_kwargs.pop(
             "max_tokens_to_sample", None
         )
+        # https://github.com/google/generative-ai-python/issues/170
+        # config_kwargs["max_output_tokens"] = config_kwargs.pop(
+        #     "max_tokens_to_sample", None
+        # )
 
         if stop:
             config_kwargs["stop_sequences"] = stop
@@ -197,12 +204,21 @@ class GoogleLargeLanguageModel(LargeLanguageModel):
             HarmCategory.HARM_CATEGORY_SEXUALLY_EXPLICIT: HarmBlockThreshold.BLOCK_NONE,
             HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT: HarmBlockThreshold.BLOCK_NONE,
         }
+        tools_one = []
+        for tool in tools:
+            one_tool = Tool(function_declarations=[FunctionDeclaration(name=tool.name,
+                                                                       description=tool.description,
+                                                                       parameters=tool.parameters
+                                                                       )
+                                                   ])
+            tools_one.append(one_tool)
 
         response = google_model.generate_content(
             contents=history,
             generation_config=genai.types.GenerationConfig(**config_kwargs),
             stream=stream,
             safety_settings=safety_settings,
+            tools=FunctionLibrary(tools=tools_one),
         )
 
         if stream:
@@ -230,8 +246,23 @@ class GoogleLargeLanguageModel(LargeLanguageModel):
         :param prompt_messages: prompt messages
         :return: llm response
         """
+        part = response.candidates[0].content.parts[0]
+        part_message_function_call = part.function_call
+        tool_calls = []
+        if part_message_function_call:
+            function_call = self._extract_response_function_call(
+                part_message_function_call
+            )
+            tool_calls.append(function_call)
+        part_message_function_response = part.function_response
+        if part_message_function_response:
+            function_call = self._extract_response_function_call(
+                part_message_function_call
+            )
+            tool_calls.append(function_call)
+
         # transform assistant message to prompt message
-        assistant_prompt_message = AssistantPromptMessage(content=response.text)
+        assistant_prompt_message = AssistantPromptMessage(content=part.text, tool_calls=tool_calls)
 
         # calculate num tokens
         prompt_tokens = self.get_num_tokens(model, credentials, prompt_messages)
@@ -413,3 +444,37 @@ class GoogleLargeLanguageModel(LargeLanguageModel):
                 exceptions.Cancelled,
             ],
         }
+
+    def _extract_response_function_call(
+            self, response_function_call: Union[FunctionCall, FunctionResponse]
+    ) -> AssistantPromptMessage.ToolCall:
+        """
+        Extract function call from response
+
+        :param response_function_call: response function call
+        :return: tool call
+        """
+        tool_call = None
+        if response_function_call:
+            from google.protobuf import json_format
+
+            if isinstance(response_function_call, FunctionCall):
+                map_composite_dict = dict(response_function_call.args.items())
+                function = AssistantPromptMessage.ToolCall.ToolCallFunction(
+                    name=response_function_call.name,
+                    arguments=str(map_composite_dict),
+                )
+            elif isinstance(response_function_call, FunctionResponse):
+                map_composite_dict = dict(response_function_call.response.items())
+                function = AssistantPromptMessage.ToolCall.ToolCallFunction(
+                    name=response_function_call.name,
+                    arguments=str(map_composite_dict),
+                )
+            else:
+                raise ValueError(f"Unsupported response_function_call type: {type(response_function_call)}")
+
+            tool_call = AssistantPromptMessage.ToolCall(
+                id=response_function_call.name, type="function", function=function
+            )
+
+        return tool_call