MediaCrawler/store/douyin/__init__.py

# 声明：本代码仅供学习和研究目的使用。使用者应遵守以下原则：
# 1. 不得用于任何商业用途。
# 2. 使用时应遵守目标平台的使用条款和robots.txt规则。
# 3. 不得进行大规模爬取或对平台造成运营干扰。
# 4. 应合理控制请求频率，避免给目标平台带来不必要的负担。
# 5. 不得用于任何非法或不当的用途。
#
# 详细许可条款请参阅项目根目录下的LICENSE文件。
# 使用本代码即表示您同意遵守上述原则和LICENSE中的所有条款。


# -*- coding: utf-8 -*-
# @Author  : relakkes@gmail.com
# @Time    : 2024/1/14 18:46
# @Desc    :
from typing import List

import config
from var import source_keyword_var

from .douyin_store_impl import *


class DouyinStoreFactory:
    STORES = {
        "csv": DouyinCsvStoreImplement,
        "db": DouyinDbStoreImplement,
        "json": DouyinJsonStoreImplement,
    }

    @staticmethod
    def create_store() -> AbstractStore:
        store_class = DouyinStoreFactory.STORES.get(config.SAVE_DATA_OPTION)
        if not store_class:
            raise ValueError(
                "[DouyinStoreFactory.create_store] Invalid save option only supported csv or db or json ..."
            )
        return store_class()


def _extract_comment_image_list(comment_item: Dict) -> List[str]:
    """
    提取评论图片列表

    Args:
        comment_item (Dict): 抖音评论

    Returns:
        List[str]: 评论图片列表
    """
    images_res: List[str] = []
    image_list: List[Dict] = comment_item.get("image_list", [])

    if not image_list:
        return []

    for image in image_list:
        image_url_list = image.get("origin_url", {}).get("url_list", [])
        if image_url_list and len(image_url_list) > 1:
            images_res.append(image_url_list[1])

    return images_res


async def update_douyin_aweme(aweme_item: Dict):
    aweme_id = aweme_item.get("aweme_id")
    user_info = aweme_item.get("author", {})
    interact_info = aweme_item.get("statistics", {})
    save_content_item = {
        "aweme_id": aweme_id,
        "aweme_type": str(aweme_item.get("aweme_type")),
        "title": aweme_item.get("desc", ""),
        "desc": aweme_item.get("desc", ""),
        "create_time": aweme_item.get("create_time"),
        "user_id": user_info.get("uid"),
        "sec_uid": user_info.get("sec_uid"),
        "short_user_id": user_info.get("short_id"),
        "user_unique_id": user_info.get("unique_id"),
        "user_signature": user_info.get("signature"),
        "nickname": user_info.get("nickname"),
        "avatar": user_info.get("avatar_thumb", {}).get("url_list", [""])[0],
        "liked_count": str(interact_info.get("digg_count")),
        "collected_count": str(interact_info.get("collect_count")),
        "comment_count": str(interact_info.get("comment_count")),
        "share_count": str(interact_info.get("share_count")),
        "ip_location": aweme_item.get("ip_label", ""),
        "last_modify_ts": utils.get_current_timestamp(),
        "aweme_url": f"https://www.douyin.com/video/{aweme_id}",
        "source_keyword": source_keyword_var.get(),
    }
    utils.logger.info(
        f"[store.douyin.update_douyin_aweme] douyin aweme id:{aweme_id}, title:{save_content_item.get('title')}"
    )
    await DouyinStoreFactory.create_store().store_content(
        content_item=save_content_item
    )


async def batch_update_dy_aweme_comments(aweme_id: str, comments: List[Dict]):
    if not comments:
        return
    for comment_item in comments:
        await update_dy_aweme_comment(aweme_id, comment_item)


async def update_dy_aweme_comment(aweme_id: str, comment_item: Dict):
    comment_aweme_id = comment_item.get("aweme_id")
    if aweme_id != comment_aweme_id:
        utils.logger.error(
            f"[store.douyin.update_dy_aweme_comment] comment_aweme_id: {comment_aweme_id} != aweme_id: {aweme_id}"
        )
        return
    user_info = comment_item.get("user", {})
    comment_id = comment_item.get("cid")
    parent_comment_id = comment_item.get("reply_id", "0")
    avatar_info = (
        user_info.get("avatar_medium", {})
        or user_info.get("avatar_300x300", {})
        or user_info.get("avatar_168x168", {})
        or user_info.get("avatar_thumb", {})
        or {}
    )
    save_comment_item = {
        "comment_id": comment_id,
        "create_time": comment_item.get("create_time"),
        "ip_location": comment_item.get("ip_label", ""),
        "aweme_id": aweme_id,
        "content": comment_item.get("text"),
        "user_id": user_info.get("uid"),
        "sec_uid": user_info.get("sec_uid"),
        "short_user_id": user_info.get("short_id"),
        "user_unique_id": user_info.get("unique_id"),
        "user_signature": user_info.get("signature"),
        "nickname": user_info.get("nickname"),
        "avatar": avatar_info.get("url_list", [""])[0],
        "sub_comment_count": str(comment_item.get("reply_comment_total", 0)),
        "like_count": (
            comment_item.get("digg_count") if comment_item.get("digg_count") else 0
        ),
        "last_modify_ts": utils.get_current_timestamp(),
        "parent_comment_id": parent_comment_id,
        "pictures": ",".join(_extract_comment_image_list(comment_item)),
    }
    utils.logger.info(
        f"[store.douyin.update_dy_aweme_comment] douyin aweme comment: {comment_id}, content: {save_comment_item.get('content')}"
    )

    await DouyinStoreFactory.create_store().store_comment(
        comment_item=save_comment_item
    )


async def save_creator(user_id: str, creator: Dict):
    user_info = creator.get("user", {})
    gender_map = {0: "未知", 1: "男", 2: "女"}
    avatar_uri = user_info.get("avatar_300x300", {}).get("uri")
    local_db_item = {
        "user_id": user_id,
        "nickname": user_info.get("nickname"),
        "gender": gender_map.get(user_info.get("gender"), "未知"),
        "avatar": f"https://p3-pc.douyinpic.com/img/{avatar_uri}"
        + r"~c5_300x300.jpeg?from=2956013662",
        "desc": user_info.get("signature"),
        "ip_location": user_info.get("ip_location"),
        "follows": user_info.get("following_count", 0),
        "fans": user_info.get("max_follower_count", 0),
        "interaction": user_info.get("total_favorited", 0),
        "videos_count": user_info.get("aweme_count", 0),
        "last_modify_ts": utils.get_current_timestamp(),
    }
    utils.logger.info(f"[store.douyin.save_creator] creator:{local_db_item}")
    await DouyinStoreFactory.create_store().store_creator(local_db_item)