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# 详解（一）Python + Selenium 批量采集微信公众号，搭建自己的微信公众号每日AI简报，告别信息焦虑
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# https://blog.csdn.net/k352733625/article/details/149222945
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# 微信爬爬猫---公众号文章抓取代码分析
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# https://blog.csdn.net/yajuanpi4899/article/details/121584268
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"""
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# 查看selenium版本
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pip show selenium
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4.34.2
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# 查看Chrome浏览器版本
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chrome://version/
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138.0.7204.101 (正式版本) （64 位）
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# 下载驱动包
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https://googlechromelabs.github.io/chrome-for-testing/
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https://storage.googleapis.com/chrome-for-testing-public/138.0.7204.94/win64/chromedriver-win64.zip
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"""
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import asyncio
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import datetime
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import json
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import logging
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import random
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import re
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import time
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import requests
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from selenium.webdriver.chrome.options import Options
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from Util.LightRagUtil import initialize_pg_rag, initialize_rag
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from Util.PostgreSQLUtil import init_postgres_pool
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from Util.WxGzhUtil import init_wechat_browser, get_article_content
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# 删除重复的日志配置，只保留以下内容
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logger = logging.getLogger('WxGzh')
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logger.setLevel(logging.INFO)
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# 确保只添加一个handler
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if not logger.handlers:
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handler = logging.StreamHandler()
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handler.setFormatter(logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s'))
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logger.addHandler(handler)
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# 添加微信请求头
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header = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36',
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'Referer': 'https://mp.weixin.qq.com/'
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}
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async def get_wechat_sources():
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"""从t_wechat_source表获取微信公众号列表"""
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try:
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pool = await init_postgres_pool()
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async with pool.acquire() as conn:
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rows = await conn.fetch('SELECT * FROM t_wechat_source')
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return [dict(row) for row in rows]
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finally:
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await pool.close()
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async def is_article_exist(pool, article_url):
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"""检查文章URL是否已存在数据库中"""
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try:
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async with pool.acquire() as conn:
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row = await conn.fetchrow('''
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SELECT 1
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FROM t_wechat_articles
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WHERE url = $1 LIMIT 1
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''', article_url)
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return row is not None
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except Exception as e:
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logging.error(f"检查文章存在性失败: {e}")
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return False # 出错时默认返回False，避免影响正常流程
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async def save_article_to_db(pool, article_title, account_name, article_url, publish_time, content, source_id):
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# 在这里调用 lightrag进行知识库构建
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WORKING_DIR = f"../Topic/ChangChun"
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docx_name = f"{account_name}_{article_title}" # 组合来源和标题作为文档名
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logger.info(f"开始处理文档: {docx_name}")
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try:
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# 注意：默认设置使用NetworkX
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rag = await initialize_rag(WORKING_DIR)
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await rag.ainsert(content)
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logger.info(f"索引完成: {docx_name}")
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except Exception as e:
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print(f"An error occurred: {e}")
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finally:
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await rag.finalize_storages()
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try:
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async with pool.acquire() as conn:
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await conn.execute('''
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INSERT INTO t_wechat_articles
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(title, source, url, publish_time, content, source_id)
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VALUES ($1, $2, $3, $4, $5, $6)
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''', article_title, account_name, article_url,
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publish_time, content, source_id)
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logger.info(f"保存文档到知识库成功: {docx_name}")
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except Exception as e:
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logging.error(f"保存文章失败: {e}")
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async def initialize_wechat_session():
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"""初始化微信会话，获取cookies和token"""
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with open('cookies.txt', 'r', encoding='utf-8') as f:
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content = f.read()
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cookies = json.loads(content)
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global driver # 添加这行
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expiry = cookies["expiry"]
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if expiry:
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current_timestamp = time.time()
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if current_timestamp > expiry:
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logger.error("Cookie已过期")
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exit()
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del cookies["expiry"]
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options = Options()
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options.add_argument('-headless')
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driver = init_wechat_browser()
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url = 'https://mp.weixin.qq.com'
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response = requests.get(url=url, allow_redirects=False, cookies=cookies)
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if 'Location' in response.headers:
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redirect_url = response.headers.get("Location")
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token_match = re.findall(r'token=(\d+)', redirect_url)
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if token_match:
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token = token_match[0]
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return cookies, token
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return None, None
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async def get_wechat_account_list(cookies, token, account_name):
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"""获取指定公众号的fakeid"""
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search_url = 'https://mp.weixin.qq.com/cgi-bin/searchbiz?'
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query_id = {
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'action': 'search_biz',
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'token': token,
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'lang': 'zh_CN',
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'f': 'json',
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'ajax': '1',
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'random': random.random(),
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'query': account_name,
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'begin': '0',
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'count': '5'
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}
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search_response = requests.get(search_url, cookies=cookies, headers=header, params=query_id)
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lists = search_response.json().get('list')[0]
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return lists.get('fakeid')
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async def get_article_list(cookies, token, fakeid):
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"""获取公众号文章列表"""
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appmsg_url = 'https://mp.weixin.qq.com/cgi-bin/appmsg?'
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query_id_data = {
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'token': token,
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'lang': 'zh_CN',
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'f': 'json',
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'ajax': '1',
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'random': random.random(),
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'action': 'list_ex',
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'begin': '0',
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'count': '5',
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'query': '',
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'fakeid': fakeid,
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'type': '9'
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}
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query_fakeid_response = requests.get(appmsg_url, cookies=cookies, headers=header, params=query_id_data)
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return query_fakeid_response.json().get('app_msg_list')
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async def process_single_article(article_info, account_info, cookies, token):
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"""处理单篇文章"""
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article_url = article_info.get('link')
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article_title = article_info.get('title')
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publish_time = datetime.datetime.fromtimestamp(int(article_info.get("update_time")))
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if '试卷' in article_title:
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return False
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try:
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pool = await init_postgres_pool()
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# 先检查文章是否已存在
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if await is_article_exist(pool, article_url):
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logger.info(f'文章已存在，跳过保存: {account_info["account_name"]}-{article_title}')
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return False
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content = get_article_content(article_url)
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await save_article_to_db(pool, article_title, account_info["account_name"],
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article_url, publish_time, content, account_info["id"])
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return True
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except Exception as e:
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logger.error(f"处理文章时出错: {e}")
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return False
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finally:
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if 'pool' in locals():
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await pool.close()
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async def process_wechat_account(account_info, cookies, token):
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"""处理单个公众号的所有文章"""
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cnt = 0
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fakeid = await get_wechat_account_list(cookies, token, account_info["account_name"])
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articles = await get_article_list(cookies, token, fakeid)
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for article in articles:
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success = await process_single_article(article, account_info, cookies, token)
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if success:
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cnt += 1
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time.sleep(1)
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logger.info(f"成功获取公众号: {account_info['account_name']} {cnt}篇文章。")
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return cnt
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async def main():
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"""主函数"""
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while True:
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try:
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logger.info("开始执行微信公众号文章采集任务")
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cookies, token = await initialize_wechat_session()
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if not cookies or not token:
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logger.error("初始化微信会话失败")
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continue
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account_list = await get_wechat_sources()
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for account in account_list:
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await process_wechat_account(account, cookies, token)
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logger.info("本次采集任务完成，等待30分钟后再次执行")
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await asyncio.sleep(30 * 60) # 30分钟
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except Exception as e:
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logger.error(f"主循环发生错误: {e}")
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await asyncio.sleep(30 * 60) # 出错后也等待30分钟
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finally:
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if 'driver' in globals():
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driver.quit()
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if __name__ == '__main__':
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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try:
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loop.run_until_complete(main())
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finally:
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loop.close()
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