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https://github.com/NanmiCoder/MediaCrawler.git
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feat: 新增 JSONL 存储格式支持,默认存储格式改为 jsonl
JSONL(JSON Lines)每行一个 JSON 对象,采用 append 模式写入, 无需读取已有数据,大数据量下性能远优于 JSON 格式。 - 新增 AsyncFileWriter.write_to_jsonl() 核心方法 - 7 个平台新增 JsonlStoreImplement 类并注册到工厂 - 配置默认值从 json 改为 jsonl,CLI/API 枚举同步更新 - db_session.py 守卫条件加入 jsonl,避免误触 ValueError - 词云生成支持读取 JSONL 文件,优先 jsonl 回退 json - 原有 json 选项完全保留,向后兼容 - 更新相关文档和测试
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@@ -226,6 +226,21 @@ class WeiboJsonStoreImplement(AbstractStore):
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await self.writer.write_single_item_to_json(item_type="creators", item=creator)
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class WeiboJsonlStoreImplement(AbstractStore):
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.writer = AsyncFileWriter(platform="weibo", crawler_type=crawler_type_var.get())
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async def store_content(self, content_item: Dict):
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await self.writer.write_to_jsonl(item_type="contents", item=content_item)
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async def store_comment(self, comment_item: Dict):
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await self.writer.write_to_jsonl(item_type="comments", item=comment_item)
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async def store_creator(self, creator: Dict):
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await self.writer.write_to_jsonl(item_type="creators", item=creator)
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class WeiboSqliteStoreImplement(WeiboDbStoreImplement):
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"""
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Weibo content SQLite storage implementation
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