浅念
382 lines
15 KiB
Python
382 lines
15 KiB
Python
#!/usr/bin/env python
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"""页面浏览器抓取器 — 当 API 接口被风控时，用 Playwright 浏览器方式抓取数据。
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原理：SPA 页面加载时会自己调用 friend_list/es 等接口渲染表格。
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我们拦截页面的网络响应，获取原始 JSON —— 效果等同 API 调用，
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但因为是浏览器页面上下文（非脚本直调），不触发风控。
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用法：
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cd yunke-server
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DB_URL="sqlite+aiosqlite:///./smoke.db" .venv/Scripts/python.exe scripts/scrape_via_page.py --entity friends
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DB_URL="sqlite+aiosqlite:///./smoke.db" .venv/Scripts/python.exe scripts/scrape_via_page.py --entity groups
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DB_URL="sqlite+aiosqlite:///./smoke.db" .venv/Scripts/python.exe scripts/scrape_via_page.py --entity accounts
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Cookie 从 .env 的 YK_COOKIE 读取。
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"""
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from __future__ import annotations
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import argparse
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import asyncio
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import json
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import logging
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import os
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from urllib.parse import urlparse
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logger = logging.getLogger("scrape_via_page")
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logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
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YUNKE_BASE = "https://crm2.yunkecn.com"
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# API endpoints we intercept (the SPA calls these to render tables)
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INTERCEPT_PATHS = {
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"friend_list": "/wechatweb/wxFriends/friend_list/es", # friends + groups (friendTypeYunke)
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"wxUser_list": "/wechatweb/wxUser/list", # wechat accounts
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"chatroom": "/wechatweb/chatroom/getChatroomList", # legacy groups
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"voice_list": "/wechatweb/call/list", # voice clips
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"call_list": "/wechatweb/callRecord/queryWeChatVoiceList", # voice calls
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"wa_friend": "/qqweb/WhatsAppUser/businessFriendList", # WA friends + groups
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"wa_user": "/qqweb/WhatsAppUser/businessSalesList", # WA accounts
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}
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def parse_cookies(cookie_str: str, domain: str = "crm2.yunkecn.com") -> list[dict]:
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"""Parse a cookie string like 'user=xxx; userToken=yyy' into Playwright cookie dicts."""
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cookies = []
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for pair in cookie_str.split(";"):
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pair = pair.strip()
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if "=" not in pair:
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continue
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name, value = pair.split("=", 1)
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cookies.append({
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"name": name.strip(),
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"value": value.strip(),
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"domain": domain,
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"path": "/",
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})
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return cookies
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class PageScraper:
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"""Navigates 云客 pages in a browser, intercepts API responses, extracts JSON."""
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def __init__(self, cookie_str: str, headless: bool = True):
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self.cookie_str = cookie_str
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self.headless = headless
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self.browser = None
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self.context = None
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self.page = None
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self._captured: list[dict] = []
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self._capture_path: str | None = None
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async def __aenter__(self):
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from playwright.async_api import async_playwright
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self._pw = await async_playwright().start()
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self.browser = await self._pw.chromium.launch(headless=self.headless)
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self.context = await self.browser.new_context(
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user_agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
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viewport={"width": 1920, "height": 1080},
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)
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# Set cookies
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cookies = parse_cookies(self.cookie_str)
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await self.context.add_cookies(cookies)
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self.page = await self.context.new_page()
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# Intercept API responses
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self.page.on("response", self._on_response)
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return self
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async def __aexit__(self, *args):
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if self.browser:
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await self.browser.close()
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if self._pw:
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await self._pw.stop()
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async def _on_response(self, response):
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"""Capture API JSON responses that match our intercept paths."""
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url = response.url
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path = urlparse(url).path
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if self._capture_path and path == self._capture_path:
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try:
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body = await response.json()
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self._captured.append({"url": url, "status": response.status, "body": body})
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logger.info(f" captured {path}: status={response.status}, keys={list(body.keys()) if isinstance(body, dict) else 'N/A'}")
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except Exception as e:
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logger.warning(f" capture failed for {path}: {e}")
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def start_capture(self, api_path: str):
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"""Start capturing responses for a specific API path."""
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self._capture_path = api_path
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self._captured.clear()
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def get_captured(self) -> list[dict]:
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"""Return captured responses and stop capturing."""
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self._capture_path = None
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return self._captured
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async def navigate_and_wait(self, url: str, wait_selector: str = ".ant-table-row", timeout: int = 15000):
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"""Navigate to a URL and wait for table rows to appear."""
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await self.page.goto(url, wait_until="domcontentloaded", timeout=timeout)
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try:
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await self.page.wait_for_selector(wait_selector, timeout=timeout)
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except Exception:
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pass # might be empty page
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await self.page.wait_for_timeout(2000) # extra settle time
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async def get_total_pages(self) -> int:
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"""Extract total page count from Ant Design pagination."""
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try:
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total_text = await self.page.evaluate("""() => {
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const el = document.querySelector('.ant-pagination-total-text');
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return el ? el.textContent : '';
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}""")
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if total_text:
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import re
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m = re.search(r'(\d+)', total_text)
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if m:
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total = int(m.group(1))
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page_size = 10 # 云客 default
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return (total + page_size - 1) // page_size
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except Exception:
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pass
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return 1
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async def click_next_page(self) -> bool:
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"""Click the 'next page' button. Returns True if successful."""
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try:
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next_btn = self.page.locator('.ant-pagination-next:not(.ant-pagination-disabled)')
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if await next_btn.count() > 0:
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await next_btn.click()
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await self.page.wait_for_timeout(2000) # wait for data load
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return True
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except Exception:
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pass
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return False
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async def scrape_entity_pages(
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self,
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list_url: str,
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api_path: str,
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max_pages: int = 100,
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) -> list[dict]:
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"""Navigate to a list page, paginate through all pages, capturing API responses.
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Returns a list of captured JSON response bodies (one per page).
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"""
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self.start_capture(api_path)
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await self.navigate_and_wait(list_url)
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await self.page.wait_for_timeout(1000) # let API call complete
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all_responses = list(self.get_captured())
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total_pages = await self.get_total_pages()
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logger.info(f" total pages: {min(total_pages, max_pages)}")
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page_num = 1
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while page_num < min(total_pages, max_pages):
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self.start_capture(api_path)
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clicked = await self.click_next_page()
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if not clicked:
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break
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await self.page.wait_for_timeout(1500)
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all_responses.extend(self.get_captured())
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page_num += 1
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if page_num % 10 == 0:
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logger.info(f" page {page_num}/{min(total_pages, max_pages)}")
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logger.info(f" captured {len(all_responses)} API responses across {page_num} pages")
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return all_responses
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async def get_employee_links(self) -> list[dict]:
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"""Extract employee wxIds + friend-count links from the staff list page."""
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await self.navigate_and_wait(f"{YUNKE_BASE}/cms/wechat/wechatlist")
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employees = await self.page.evaluate("""() => {
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const rows = document.querySelectorAll('.ant-table-row');
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const result = [];
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for (const tr of rows) {
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// Find the friend-count link (href contains wechatdetail/1/)
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const friendLink = tr.querySelector('a[href*="wechatdetail/1/"]');
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const groupLink = tr.querySelector('a[href*="wechatdetail/2/"]');
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if (friendLink) {
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const href = friendLink.getAttribute('href');
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const wxId = href.match(/wechatdetail\\/1\\/([^?]+)/)?.[1];
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const friendCount = parseInt(friendLink.textContent) || 0;
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const groupHref = groupLink?.getAttribute('href');
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const groupCount = parseInt(groupLink?.textContent) || 0;
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result.push({ wxId, friendCount, groupCount, friendHref: href, groupHref });
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}
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}
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return result;
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}""")
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# Paginate through ALL staff list pages
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all_employees = list(employees)
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page = 1
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while await self.click_next_page():
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page += 1
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await self.page.wait_for_timeout(2000)
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more = await self.page.evaluate("""() => {
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const rows = document.querySelectorAll('.ant-table-row');
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const result = [];
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for (const tr of rows) {
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const friendLink = tr.querySelector('a[href*="wechatdetail/1/"]');
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const groupLink = tr.querySelector('a[href*="wechatdetail/2/"]');
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if (friendLink) {
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const href = friendLink.getAttribute('href');
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const wxId = href.match(/wechatdetail\\/1\\/([^?]+)/)?.[1];
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const friendCount = parseInt(friendLink.textContent) || 0;
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const groupHref = groupLink?.getAttribute('href');
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const groupCount = parseInt(groupLink?.textContent) || 0;
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result.push({ wxId, friendCount, groupCount, friendHref: href, groupHref });
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}
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}
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return result;
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}""")
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all_employees.extend(more)
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logger.info(f" staff page {page}: +{len(more)} employees (total: {len(all_employees)})")
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# Dedup by wxId
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seen = set()
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deduped = []
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for emp in all_employees:
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if emp["wxId"] not in seen:
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seen.add(emp["wxId"])
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deduped.append(emp)
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logger.info(f"Found {len(deduped)} unique employees with friend links ({page} pages)")
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return deduped
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async def scrape_friends(cookie_str: str, max_employees: int = 100):
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"""Scrape wechat customers (friends) via page navigation."""
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from app.db.base import async_session_maker
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from app.storage.repos import upsert_customer
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from app.scraper.wechat import _normalize # reuse the existing normalizer
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total_fetched = 0
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total_upserted = 0
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async with PageScraper(cookie_str) as scraper:
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employees = await scraper.get_employee_links()
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for i, emp in enumerate(employees[:max_employees]):
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if emp["friendCount"] == 0:
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continue
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wx_id = emp["wxId"]
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url = f"{YUNKE_BASE}/cms/wechat/wechatlist/wechatdetail/1/{wx_id}?ymdStart=0000-00-00&ymdEnd=2099-12-31"
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logger.info(f"[{i+1}/{len(employees)}] {wx_id}: {emp['friendCount']} friends")
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responses = await scraper.scrape_entity_pages(
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list_url=url,
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api_path=INTERCEPT_PATHS["friend_list"],
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max_pages=200,
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)
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# Extract friend records from captured responses
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records = []
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for resp in responses:
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body = resp.get("body", {})
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data = body.get("data", {})
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rows = data.get("basicResult", {}).get("data", []) or data.get("data", [])
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for row in rows:
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if isinstance(row, dict):
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normalized = _normalize(row)
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normalized["channel"] = "wechat"
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normalized["owner_account_id"] = wx_id
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records.append(normalized)
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total_fetched += len(records)
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# Batch upsert
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if records:
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async with async_session_maker() as session:
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for rec in records:
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await upsert_customer(session, rec)
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await session.commit()
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total_upserted += len(records)
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logger.info(f" upserted {len(records)} customers (total: {total_upserted})")
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# Human-like delay between employees
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await asyncio.sleep(3 + (i % 3)) # 3-5s random-ish
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logger.info(f"DONE: friends fetched={total_fetched}, upserted={total_upserted}")
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return total_fetched, total_upserted
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async def scrape_groups(cookie_str: str, max_employees: int = 100):
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"""Scrape wechat groups via page navigation."""
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from app.db.base import async_session_maker
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from app.storage.repos import upsert_chat_group
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from app.scraper.wechat import _normalize_chat_group
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total_fetched = 0
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total_upserted = 0
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async with PageScraper(cookie_str) as scraper:
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employees = await scraper.get_employee_links()
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for i, emp in enumerate(employees[:max_employees]):
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if emp.get("groupCount", 0) == 0 or not emp.get("groupHref"):
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continue
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wx_id = emp["wxId"]
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url = f"{YUNKE_BASE}{emp['groupHref']}"
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logger.info(f"[{i+1}/{len(employees)}] {wx_id}: {emp['groupCount']} groups")
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responses = await scraper.scrape_entity_pages(
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list_url=url,
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api_path=INTERCEPT_PATHS["friend_list"],
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max_pages=100,
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)
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records = []
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for resp in responses:
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body = resp.get("body", {})
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data = body.get("data", {})
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rows = data.get("basicResult", {}).get("data", []) or data.get("data", [])
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for row in rows:
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if isinstance(row, dict):
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normalized = _normalize_chat_group(row)
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normalized["channel"] = "wechat"
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records.append(normalized)
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total_fetched += len(records)
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if records:
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async with async_session_maker() as session:
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for rec in records:
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await upsert_chat_group(session, rec)
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await session.commit()
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total_upserted += len(records)
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logger.info(f" upserted {len(records)} groups (total: {total_upserted})")
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await asyncio.sleep(3 + (i % 3))
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logger.info(f"DONE: groups fetched={total_fetched}, upserted={total_upserted}")
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return total_fetched, total_upserted
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async def main():
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parser = argparse.ArgumentParser(description="页面浏览器抓取器")
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parser.add_argument("--entity", required=True, choices=["friends", "groups"], help="抓取实体")
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parser.add_argument("--max-employees", type=int, default=100, help="最多遍历多少员工")
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args = parser.parse_args()
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cookie = os.environ.get("YK_COOKIE", "")
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if not cookie:
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# Try reading from .env
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from app.config import get_settings
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cookie = get_settings().yk_cookie
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if not cookie:
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logger.error("YK_COOKIE not set in .env or environment")
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return
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logger.info(f"Starting page-based scrape: entity={args.entity}")
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if args.entity == "friends":
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await scrape_friends(cookie, args.max_employees)
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elif args.entity == "groups":
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await scrape_groups(cookie, args.max_employees)
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if __name__ == "__main__":
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asyncio.run(main())
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