mirror of
https://github.com/NanmiCoder/MediaCrawler.git
synced 2025-11-25 11:29:27 +08:00
be306c6f54
- 删除旧的async_db.py和async_sqlite_db.py实现 - 新增SQLAlchemy ORM模型和数据库会话管理 - 统一各平台存储实现到_store_impl.py文件 - 添加数据库初始化功能支持 - 更新.gitignore和pyproject.toml依赖配置 - 优化文件存储路径和命名规范
300 lines
8.9 KiB
Python
300 lines
8.9 KiB
Python
# 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：
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# 1. 不得用于任何商业用途。
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# 2. 使用时应遵守目标平台的使用条款和robots.txt规则。
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# 3. 不得进行大规模爬取或对平台造成运营干扰。
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# 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。
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# 5. 不得用于任何非法或不当的用途。
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#
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# 详细许可条款请参阅项目根目录下的LICENSE文件。
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# 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。
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# -*- coding: utf-8 -*-
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# @Author : persist1@126.com
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# @Time : 2025/9/5 19:34
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# @Desc : B站存储实现类
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import asyncio
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import csv
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import json
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import os
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import pathlib
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from typing import Dict
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import aiofiles
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from sqlalchemy import select
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from sqlalchemy.orm import sessionmaker
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import config
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from base.base_crawler import AbstractStore
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from database.db_session import get_session
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from database.models import BilibiliVideoComment, BilibiliVideo, BilibiliUpInfo, BilibiliUpDynamic, BilibiliContactInfo
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from tools.async_file_writer import AsyncFileWriter
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from tools import utils, words
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from var import crawler_type_var
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class BiliCsvStoreImplement(AbstractStore):
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def __init__(self):
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self.file_writer = AsyncFileWriter(
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crawler_type=crawler_type_var.get(),
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platform="bilibili"
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)
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async def store_content(self, content_item: Dict):
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"""
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content CSV storage implementation
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Args:
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content_item:
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Returns:
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"""
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await self.file_writer.write_to_csv(
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item=content_item,
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item_type="videos"
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)
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async def store_comment(self, comment_item: Dict):
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"""
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comment CSV storage implementation
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Args:
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comment_item:
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Returns:
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"""
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await self.file_writer.write_to_csv(
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item=comment_item,
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item_type="comments"
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)
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async def store_creator(self, creator: Dict):
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"""
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creator CSV storage implementation
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Args:
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creator:
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Returns:
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"""
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await self.file_writer.write_to_csv(
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item=creator,
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item_type="creators"
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)
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async def store_contact(self, contact_item: Dict):
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"""
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creator contact CSV storage implementation
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Args:
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contact_item: creator's contact item dict
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Returns:
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"""
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await self.file_writer.write_to_csv(
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item=contact_item,
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item_type="contacts"
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)
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async def store_dynamic(self, dynamic_item: Dict):
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"""
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creator dynamic CSV storage implementation
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Args:
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dynamic_item: creator's contact item dict
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Returns:
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"""
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await self.file_writer.write_to_csv(
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item=dynamic_item,
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item_type="dynamics"
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)
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class BiliDbStoreImplement(AbstractStore):
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async def store_content(self, content_item: Dict):
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"""
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Bilibili content DB storage implementation
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Args:
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content_item: content item dict
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"""
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video_id = content_item.get("video_id")
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async with get_session() as session:
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result = await session.execute(select(BilibiliVideo).where(BilibiliVideo.video_id == video_id))
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video_detail = result.scalar_one_or_none()
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if not video_detail:
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content_item["add_ts"] = utils.get_current_timestamp()
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new_content = BilibiliVideo(**content_item)
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session.add(new_content)
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else:
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for key, value in content_item.items():
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setattr(video_detail, key, value)
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await session.commit()
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async def store_comment(self, comment_item: Dict):
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"""
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Bilibili comment DB storage implementation
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Args:
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comment_item: comment item dict
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"""
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comment_id = comment_item.get("comment_id")
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async with get_session() as session:
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result = await session.execute(select(BilibiliVideoComment).where(BilibiliVideoComment.comment_id == comment_id))
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comment_detail = result.scalar_one_or_none()
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if not comment_detail:
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comment_item["add_ts"] = utils.get_current_timestamp()
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new_comment = BilibiliVideoComment(**comment_item)
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session.add(new_comment)
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else:
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for key, value in comment_item.items():
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setattr(comment_detail, key, value)
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await session.commit()
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async def store_creator(self, creator: Dict):
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"""
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Bilibili creator DB storage implementation
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Args:
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creator: creator item dict
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"""
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creator_id = creator.get("user_id")
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async with get_session() as session:
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result = await session.execute(select(BilibiliUpInfo).where(BilibiliUpInfo.user_id == creator_id))
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creator_detail = result.scalar_one_or_none()
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if not creator_detail:
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creator["add_ts"] = utils.get_current_timestamp()
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new_creator = BilibiliUpInfo(**creator)
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session.add(new_creator)
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else:
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for key, value in creator.items():
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setattr(creator_detail, key, value)
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await session.commit()
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async def store_contact(self, contact_item: Dict):
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"""
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Bilibili contact DB storage implementation
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Args:
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contact_item: contact item dict
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"""
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up_id = contact_item.get("up_id")
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fan_id = contact_item.get("fan_id")
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async with get_session() as session:
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result = await session.execute(
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select(BilibiliContactInfo).where(BilibiliContactInfo.up_id == up_id, BilibiliContactInfo.fan_id == fan_id)
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)
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contact_detail = result.scalar_one_or_none()
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if not contact_detail:
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contact_item["add_ts"] = utils.get_current_timestamp()
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new_contact = BilibiliContactInfo(**contact_item)
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session.add(new_contact)
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else:
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for key, value in contact_item.items():
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setattr(contact_detail, key, value)
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await session.commit()
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async def store_dynamic(self, dynamic_item):
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"""
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Bilibili dynamic DB storage implementation
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Args:
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dynamic_item: dynamic item dict
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"""
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dynamic_id = dynamic_item.get("dynamic_id")
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async with get_session() as session:
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result = await session.execute(select(BilibiliUpDynamic).where(BilibiliUpDynamic.dynamic_id == dynamic_id))
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dynamic_detail = result.scalar_one_or_none()
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if not dynamic_detail:
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dynamic_item["add_ts"] = utils.get_current_timestamp()
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new_dynamic = BilibiliUpDynamic(**dynamic_item)
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session.add(new_dynamic)
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else:
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for key, value in dynamic_item.items():
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setattr(dynamic_detail, key, value)
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await session.commit()
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class BiliJsonStoreImplement(AbstractStore):
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def __init__(self):
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self.file_writer = AsyncFileWriter(
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crawler_type=crawler_type_var.get(),
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platform="bilibili"
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)
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async def store_content(self, content_item: Dict):
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"""
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content JSON storage implementation
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Args:
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content_item:
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Returns:
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"""
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await self.file_writer.write_single_item_to_json(
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item=content_item,
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item_type="contents"
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)
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async def store_comment(self, comment_item: Dict):
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"""
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comment JSON storage implementation
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Args:
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comment_item:
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Returns:
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"""
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await self.file_writer.write_single_item_to_json(
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item=comment_item,
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item_type="comments"
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)
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async def store_creator(self, creator: Dict):
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"""
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creator JSON storage implementation
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Args:
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creator:
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Returns:
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"""
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await self.file_writer.write_single_item_to_json(
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item=creator,
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item_type="creators"
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)
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async def store_contact(self, contact_item: Dict):
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"""
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creator contact JSON storage implementation
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Args:
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contact_item: creator's contact item dict
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Returns:
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"""
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await self.file_writer.write_single_item_to_json(
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item=contact_item,
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item_type="contacts"
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)
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async def store_dynamic(self, dynamic_item: Dict):
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"""
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creator dynamic JSON storage implementation
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Args:
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dynamic_item: creator's contact item dict
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Returns:
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"""
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await self.file_writer.write_single_item_to_json(
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item=dynamic_item,
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item_type="dynamics"
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)
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class BiliSqliteStoreImplement(BiliDbStoreImplement):
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pass
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