1. 同步MediaCrawler为最新版本
2. 修复数据库not null错误 3. 支持PG数据库 4. 规范环境变量及配置使用 5. 规范为uv安装 6. 使用loggru
This commit is contained in:
Doiiars
@@ -15,7 +15,7 @@ from typing import List
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import config
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from base.base_crawler import AbstractStore
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from model.m_zhihu import ZhihuComment, ZhihuContent, ZhihuCreator
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from store.zhihu.zhihu_store_impl import (ZhihuCsvStoreImplement,
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from ._store_impl import (ZhihuCsvStoreImplement,
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ZhihuDbStoreImplement,
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ZhihuJsonStoreImplement,
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ZhihuSqliteStoreImplement)
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@@ -28,14 +28,15 @@ class ZhihuStoreFactory:
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"csv": ZhihuCsvStoreImplement,
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"db": ZhihuDbStoreImplement,
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"json": ZhihuJsonStoreImplement,
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"sqlite": ZhihuSqliteStoreImplement
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"sqlite": ZhihuSqliteStoreImplement,
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"postgresql": ZhihuDbStoreImplement,
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}
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@staticmethod
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def create_store() -> AbstractStore:
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store_class = ZhihuStoreFactory.STORES.get(config.SAVE_DATA_OPTION)
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if not store_class:
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raise ValueError("[ZhihuStoreFactory.create_store] Invalid save option only supported csv or db or json or sqlite ...")
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raise ValueError("[ZhihuStoreFactory.create_store] Invalid save option only supported csv or db or json or sqlite or postgresql ...")
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return store_class()
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async def batch_update_zhihu_contents(contents: List[ZhihuContent]):
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@@ -0,0 +1,191 @@
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# 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 : 知乎存储实现类
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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.ext.asyncio import AsyncSession
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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 ZhihuContent, ZhihuComment, ZhihuCreator
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from tools import utils, words
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from var import crawler_type_var
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from tools.async_file_writer import AsyncFileWriter
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def calculate_number_of_files(file_store_path: str) -> int:
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"""计算数据保存文件的前部分排序数字，支持每次运行代码不写到同一个文件中
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Args:
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file_store_path;
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Returns:
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file nums
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"""
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if not os.path.exists(file_store_path):
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return 1
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try:
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return max([int(file_name.split("_")[0]) for file_name in os.listdir(file_store_path)]) + 1
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except ValueError:
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return 1
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class ZhihuCsvStoreImplement(AbstractStore):
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.writer = AsyncFileWriter(platform="zhihu", crawler_type=crawler_type_var.get())
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async def store_content(self, content_item: Dict):
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"""
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Zhihu content CSV storage implementation
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Args:
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content_item: note item dict
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Returns:
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"""
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await self.writer.write_to_csv(item_type="contents", item=content_item)
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async def store_comment(self, comment_item: Dict):
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"""
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Zhihu comment CSV storage implementation
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Args:
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comment_item: comment item dict
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Returns:
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"""
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await self.writer.write_to_csv(item_type="comments", item=comment_item)
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async def store_creator(self, creator: Dict):
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"""
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Zhihu content CSV storage implementation
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Args:
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creator: creator dict
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Returns:
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"""
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await self.writer.write_to_csv(item_type="creators", item=creator)
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class ZhihuDbStoreImplement(AbstractStore):
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async def store_content(self, content_item: Dict):
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"""
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Zhihu 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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content_id = content_item.get("content_id")
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async with get_session() as session:
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stmt = select(ZhihuContent).where(ZhihuContent.content_id == content_id)
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result = await session.execute(stmt)
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existing_content = result.scalars().first()
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if existing_content:
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for key, value in content_item.items():
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setattr(existing_content, key, value)
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else:
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new_content = ZhihuContent(**content_item)
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session.add(new_content)
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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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Zhihu content 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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stmt = select(ZhihuComment).where(ZhihuComment.comment_id == comment_id)
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result = await session.execute(stmt)
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existing_comment = result.scalars().first()
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if existing_comment:
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for key, value in comment_item.items():
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setattr(existing_comment, key, value)
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else:
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new_comment = ZhihuComment(**comment_item)
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session.add(new_comment)
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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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Zhihu content DB storage implementation
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Args:
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creator: creator dict
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"""
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user_id = creator.get("user_id")
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async with get_session() as session:
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stmt = select(ZhihuCreator).where(ZhihuCreator.user_id == user_id)
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result = await session.execute(stmt)
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existing_creator = result.scalars().first()
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if existing_creator:
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for key, value in creator.items():
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setattr(existing_creator, key, value)
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else:
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new_creator = ZhihuCreator(**creator)
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session.add(new_creator)
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await session.commit()
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class ZhihuJsonStoreImplement(AbstractStore):
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.writer = AsyncFileWriter(platform="zhihu", crawler_type=crawler_type_var.get())
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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.writer.write_single_item_to_json(item_type="contents", item=content_item)
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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.writer.write_single_item_to_json(item_type="comments", item=comment_item)
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async def store_creator(self, creator: Dict):
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"""
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Zhihu content JSON storage implementation
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Args:
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creator: creator dict
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Returns:
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"""
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await self.writer.write_single_item_to_json(item_type="creators", item=creator)
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class ZhihuSqliteStoreImplement(ZhihuDbStoreImplement):
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"""
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Zhihu content SQLite storage implementation
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"""
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pass
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@@ -1,318 +0,0 @@
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# 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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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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import config
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from base.base_crawler import AbstractStore
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from tools import utils, words
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from var import crawler_type_var
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def calculate_number_of_files(file_store_path: str) -> int:
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"""计算数据保存文件的前部分排序数字，支持每次运行代码不写到同一个文件中
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Args:
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file_store_path;
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Returns:
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file nums
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"""
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if not os.path.exists(file_store_path):
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return 1
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try:
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return max([int(file_name.split("_")[0]) for file_name in os.listdir(file_store_path)]) + 1
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except ValueError:
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return 1
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class ZhihuCsvStoreImplement(AbstractStore):
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csv_store_path: str = "data/zhihu"
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file_count: int = calculate_number_of_files(csv_store_path)
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def make_save_file_name(self, store_type: str) -> str:
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"""
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make save file name by store type
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Args:
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store_type: contents or comments
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Returns: eg: data/zhihu/search_comments_20240114.csv ...
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"""
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return f"{self.csv_store_path}/{self.file_count}_{crawler_type_var.get()}_{store_type}_{utils.get_current_date()}.csv"
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async def save_data_to_csv(self, save_item: Dict, store_type: str):
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"""
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Below is a simple way to save it in CSV format.
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Args:
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save_item: save content dict info
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store_type: Save type contains content and comments（contents | comments）
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Returns: no returns
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"""
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pathlib.Path(self.csv_store_path).mkdir(parents=True, exist_ok=True)
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save_file_name = self.make_save_file_name(store_type=store_type)
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async with aiofiles.open(save_file_name, mode='a+', encoding="utf-8-sig", newline="") as f:
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f.fileno()
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writer = csv.writer(f)
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if await f.tell() == 0:
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await writer.writerow(save_item.keys())
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await writer.writerow(save_item.values())
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async def store_content(self, content_item: Dict):
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"""
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Zhihu content CSV storage implementation
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Args:
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content_item: note item dict
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Returns:
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"""
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await self.save_data_to_csv(save_item=content_item, store_type="contents")
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async def store_comment(self, comment_item: Dict):
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"""
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Zhihu comment CSV storage implementation
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Args:
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comment_item: comment item dict
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Returns:
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"""
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await self.save_data_to_csv(save_item=comment_item, store_type="comments")
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async def store_creator(self, creator: Dict):
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"""
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Zhihu content CSV storage implementation
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Args:
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creator: creator dict
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Returns:
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"""
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await self.save_data_to_csv(save_item=creator, store_type="creator")
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class ZhihuDbStoreImplement(AbstractStore):
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async def store_content(self, content_item: Dict):
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"""
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Zhihu content DB storage implementation
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Args:
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content_item: content item dict
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Returns:
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"""
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from .zhihu_store_sql import (add_new_content,
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query_content_by_content_id,
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update_content_by_content_id)
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note_id = content_item.get("note_id")
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note_detail: Dict = await query_content_by_content_id(content_id=note_id)
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if not note_detail:
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content_item["add_ts"] = utils.get_current_timestamp()
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await add_new_content(content_item)
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else:
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await update_content_by_content_id(note_id, content_item=content_item)
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async def store_comment(self, comment_item: Dict):
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"""
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Zhihu content DB storage implementation
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Args:
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comment_item: comment item dict
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Returns:
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"""
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from .zhihu_store_sql import (add_new_comment,
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query_comment_by_comment_id,
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update_comment_by_comment_id)
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comment_id = comment_item.get("comment_id")
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comment_detail: Dict = await query_comment_by_comment_id(comment_id=comment_id)
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if not comment_detail:
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comment_item["add_ts"] = utils.get_current_timestamp()
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await add_new_comment(comment_item)
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else:
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await update_comment_by_comment_id(comment_id, comment_item=comment_item)
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async def store_creator(self, creator: Dict):
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"""
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Zhihu content DB storage implementation
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Args:
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creator: creator dict
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Returns:
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"""
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from .zhihu_store_sql import (add_new_creator,
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query_creator_by_user_id,
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update_creator_by_user_id)
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user_id = creator.get("user_id")
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user_detail: Dict = await query_creator_by_user_id(user_id)
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if not user_detail:
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creator["add_ts"] = utils.get_current_timestamp()
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await add_new_creator(creator)
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else:
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await update_creator_by_user_id(user_id, creator)
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class ZhihuJsonStoreImplement(AbstractStore):
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json_store_path: str = "data/zhihu/json"
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words_store_path: str = "data/zhihu/words"
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lock = asyncio.Lock()
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file_count: int = calculate_number_of_files(json_store_path)
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WordCloud = words.AsyncWordCloudGenerator()
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def make_save_file_name(self, store_type: str) -> (str, str):
|
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"""
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make save file name by store type
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Args:
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store_type: Save type contains content and comments（contents | comments）
|
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|
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Returns:
|
||||
|
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"""
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return (
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f"{self.json_store_path}/{crawler_type_var.get()}_{store_type}_{utils.get_current_date()}.json",
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f"{self.words_store_path}/{crawler_type_var.get()}_{store_type}_{utils.get_current_date()}"
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)
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|
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async def save_data_to_json(self, save_item: Dict, store_type: str):
|
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"""
|
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Below is a simple way to save it in json format.
|
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Args:
|
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save_item: save content dict info
|
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store_type: Save type contains content and comments（contents | comments）
|
||||
|
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Returns:
|
||||
|
||||
"""
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pathlib.Path(self.json_store_path).mkdir(parents=True, exist_ok=True)
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pathlib.Path(self.words_store_path).mkdir(parents=True, exist_ok=True)
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save_file_name, words_file_name_prefix = self.make_save_file_name(store_type=store_type)
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save_data = []
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async with self.lock:
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if os.path.exists(save_file_name):
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async with aiofiles.open(save_file_name, 'r', encoding='utf-8') as file:
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save_data = json.loads(await file.read())
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save_data.append(save_item)
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async with aiofiles.open(save_file_name, 'w', encoding='utf-8') as file:
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await file.write(json.dumps(save_data, ensure_ascii=False, indent=4))
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if config.ENABLE_GET_COMMENTS and config.ENABLE_GET_WORDCLOUD:
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try:
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await self.WordCloud.generate_word_frequency_and_cloud(save_data, words_file_name_prefix)
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except:
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pass
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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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await self.save_data_to_json(content_item, "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:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
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await self.save_data_to_json(comment_item, "comments")
|
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|
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async def store_creator(self, creator: Dict):
|
||||
"""
|
||||
Zhihu content JSON storage implementation
|
||||
Args:
|
||||
creator: creator dict
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
await self.save_data_to_json(creator, "creator")
|
||||
|
||||
|
||||
class ZhihuSqliteStoreImplement(AbstractStore):
|
||||
async def store_content(self, content_item: Dict):
|
||||
"""
|
||||
Zhihu content SQLite storage implementation
|
||||
Args:
|
||||
content_item: content item dict
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
from .zhihu_store_sql import (add_new_content,
|
||||
query_content_by_content_id,
|
||||
update_content_by_content_id)
|
||||
note_id = content_item.get("note_id")
|
||||
note_detail: Dict = await query_content_by_content_id(content_id=note_id)
|
||||
if not note_detail:
|
||||
content_item["add_ts"] = utils.get_current_timestamp()
|
||||
await add_new_content(content_item)
|
||||
else:
|
||||
await update_content_by_content_id(note_id, content_item=content_item)
|
||||
|
||||
async def store_comment(self, comment_item: Dict):
|
||||
"""
|
||||
Zhihu comment SQLite storage implementation
|
||||
Args:
|
||||
comment_item: comment item dict
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
from .zhihu_store_sql import (add_new_comment,
|
||||
query_comment_by_comment_id,
|
||||
update_comment_by_comment_id)
|
||||
comment_id = comment_item.get("comment_id")
|
||||
comment_detail: Dict = await query_comment_by_comment_id(comment_id=comment_id)
|
||||
if not comment_detail:
|
||||
comment_item["add_ts"] = utils.get_current_timestamp()
|
||||
await add_new_comment(comment_item)
|
||||
else:
|
||||
await update_comment_by_comment_id(comment_id, comment_item=comment_item)
|
||||
|
||||
async def store_creator(self, creator: Dict):
|
||||
"""
|
||||
Zhihu creator SQLite storage implementation
|
||||
Args:
|
||||
creator: creator dict
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
from .zhihu_store_sql import (add_new_creator,
|
||||
query_creator_by_user_id,
|
||||
update_creator_by_user_id)
|
||||
user_id = creator.get("user_id")
|
||||
user_detail: Dict = await query_creator_by_user_id(user_id)
|
||||
if not user_detail:
|
||||
creator["add_ts"] = utils.get_current_timestamp()
|
||||
await add_new_creator(creator)
|
||||
else:
|
||||
await update_creator_by_user_id(user_id, creator)
|
||||
@@ -1,156 +0,0 @@
|
||||
# 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 -*-
|
||||
from typing import Dict, List, Union
|
||||
|
||||
from async_db import AsyncMysqlDB
|
||||
from async_sqlite_db import AsyncSqliteDB
|
||||
from var import media_crawler_db_var
|
||||
|
||||
|
||||
async def query_content_by_content_id(content_id: str) -> Dict:
|
||||
"""
|
||||
查询一条内容记录（zhihu的帖子 ｜ 抖音的视频 ｜ 微博 ｜ 快手视频 ...）
|
||||
Args:
|
||||
content_id:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
async_db_conn: Union[AsyncMysqlDB, AsyncSqliteDB] = media_crawler_db_var.get()
|
||||
sql: str = f"select * from zhihu_content where content_id = '{content_id}'"
|
||||
rows: List[Dict] = await async_db_conn.query(sql)
|
||||
if len(rows) > 0:
|
||||
return rows[0]
|
||||
return dict()
|
||||
|
||||
|
||||
async def add_new_content(content_item: Dict) -> int:
|
||||
"""
|
||||
新增一条内容记录（zhihu的帖子 ｜ 抖音的视频 ｜ 微博 ｜ 快手视频 ...）
|
||||
Args:
|
||||
content_item:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
async_db_conn: Union[AsyncMysqlDB, AsyncSqliteDB] = media_crawler_db_var.get()
|
||||
last_row_id: int = await async_db_conn.item_to_table("zhihu_content", content_item)
|
||||
return last_row_id
|
||||
|
||||
|
||||
async def update_content_by_content_id(content_id: str, content_item: Dict) -> int:
|
||||
"""
|
||||
更新一条记录（zhihu的帖子 ｜ 抖音的视频 ｜ 微博 ｜ 快手视频 ...）
|
||||
Args:
|
||||
content_id:
|
||||
content_item:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
async_db_conn: Union[AsyncMysqlDB, AsyncSqliteDB] = media_crawler_db_var.get()
|
||||
effect_row: int = await async_db_conn.update_table("zhihu_content", content_item, "content_id", content_id)
|
||||
return effect_row
|
||||
|
||||
|
||||
|
||||
async def query_comment_by_comment_id(comment_id: str) -> Dict:
|
||||
"""
|
||||
查询一条评论内容
|
||||
Args:
|
||||
comment_id:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
async_db_conn: Union[AsyncMysqlDB, AsyncSqliteDB] = media_crawler_db_var.get()
|
||||
sql: str = f"select * from zhihu_comment where comment_id = '{comment_id}'"
|
||||
rows: List[Dict] = await async_db_conn.query(sql)
|
||||
if len(rows) > 0:
|
||||
return rows[0]
|
||||
return dict()
|
||||
|
||||
|
||||
async def add_new_comment(comment_item: Dict) -> int:
|
||||
"""
|
||||
新增一条评论记录
|
||||
Args:
|
||||
comment_item:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
async_db_conn: Union[AsyncMysqlDB, AsyncSqliteDB] = media_crawler_db_var.get()
|
||||
last_row_id: int = await async_db_conn.item_to_table("zhihu_comment", comment_item)
|
||||
return last_row_id
|
||||
|
||||
|
||||
async def update_comment_by_comment_id(comment_id: str, comment_item: Dict) -> int:
|
||||
"""
|
||||
更新增一条评论记录
|
||||
Args:
|
||||
comment_id:
|
||||
comment_item:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
async_db_conn: Union[AsyncMysqlDB, AsyncSqliteDB] = media_crawler_db_var.get()
|
||||
effect_row: int = await async_db_conn.update_table("zhihu_comment", comment_item, "comment_id", comment_id)
|
||||
return effect_row
|
||||
|
||||
|
||||
async def query_creator_by_user_id(user_id: str) -> Dict:
|
||||
"""
|
||||
查询一条创作者记录
|
||||
Args:
|
||||
user_id:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
async_db_conn: Union[AsyncMysqlDB, AsyncSqliteDB] = media_crawler_db_var.get()
|
||||
sql: str = f"select * from zhihu_creator where user_id = '{user_id}'"
|
||||
rows: List[Dict] = await async_db_conn.query(sql)
|
||||
if len(rows) > 0:
|
||||
return rows[0]
|
||||
return dict()
|
||||
|
||||
|
||||
async def add_new_creator(creator_item: Dict) -> int:
|
||||
"""
|
||||
新增一条创作者信息
|
||||
Args:
|
||||
creator_item:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
async_db_conn: Union[AsyncMysqlDB, AsyncSqliteDB] = media_crawler_db_var.get()
|
||||
last_row_id: int = await async_db_conn.item_to_table("zhihu_creator", creator_item)
|
||||
return last_row_id
|
||||
|
||||
|
||||
async def update_creator_by_user_id(user_id: str, creator_item: Dict) -> int:
|
||||
"""
|
||||
更新一条创作者信息
|
||||
Args:
|
||||
user_id:
|
||||
creator_item:
|
||||
|
||||
Returns:
|
||||
|
||||
"""
|
||||
async_db_conn: Union[AsyncMysqlDB, AsyncSqliteDB] = media_crawler_db_var.get()
|
||||
effect_row: int = await async_db_conn.update_table("zhihu_creator", creator_item, "user_id", user_id)
|
||||
return effect_row
|
||||
Reference in New Issue
Block a user