import os import random import asyncio from asyncio import Task from typing import Optional, List, Dict, Tuple from argparse import Namespace from playwright.async_api import Page from playwright.async_api import BrowserContext from playwright.async_api import async_playwright from playwright.async_api import BrowserType import config from tools import utils from .exception import * from .login import XHSLogin from .client import XHSClient from models import xiaohongshu as xhs_model from base.base_crawler import AbstractCrawler from base.proxy_account_pool import AccountPool class XiaoHongShuCrawler(AbstractCrawler): context_page: Page browser_context: BrowserContext xhs_client: XHSClient account_pool: AccountPool def __init__(self): self.index_url = "https://www.xiaohongshu.com" self.command_args: Optional[Namespace] = None # type: ignore self.user_agent = utils.get_user_agent() def init_config(self, **kwargs): for key, value in kwargs.items(): setattr(self, key, value) async def start(self): account_phone, playwright_proxy, httpx_proxy = self.create_proxy_info() async with async_playwright() as playwright: # Launch a browser context. chromium = playwright.chromium self.browser_context = await self.launch_browser( chromium, playwright_proxy, self.user_agent, headless=config.HEADLESS ) # stealth.min.js is a js script to prevent the website from detecting the crawler. await self.browser_context.add_init_script(path="libs/stealth.min.js") # add a cookie attribute webId to avoid the appearance of a sliding captcha on the webpage await self.browser_context.add_cookies([{ 'name': "webId", 'value': "xxx123", # any value 'domain': ".xiaohongshu.com", 'path': "/" }]) self.context_page = await self.browser_context.new_page() await self.context_page.goto(self.index_url) # Create a client to interact with the xiaohongshu website. self.xhs_client = await self.create_xhs_client(httpx_proxy) if not await self.xhs_client.ping(): login_obj = XHSLogin( login_type=self.command_args.lt, login_phone=account_phone, browser_context=self.browser_context, context_page=self.context_page, cookie_str=config.COOKIES ) await login_obj.begin() await self.xhs_client.update_cookies(browser_context=self.browser_context) # Search for notes and retrieve their comment information. await self.search_posts() utils.logger.info("Xhs Crawler finished ...") async def search_posts(self) -> None: """Search for notes and retrieve their comment information.""" utils.logger.info("Begin search xiaohongshu keywords") for keyword in config.KEYWORDS.split(","): utils.logger.info(f"Current keyword: {keyword}") max_note_len = config.MAX_PAGE_NUM page = 1 while max_note_len > 0: note_id_list: List[str] = [] posts_res = await self.xhs_client.get_note_by_keyword( keyword=keyword, page=page, ) _semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list = [ self.get_note_detail(post_item.get("id"), _semaphore) for post_item in posts_res.get("items", {}) ] note_details = await asyncio.gather(*task_list) for note_detail in note_details: if note_detail is not None: await xhs_model.update_xhs_note(note_detail) note_id_list.append(note_detail.get("note_id")) page += 1 max_note_len -= 20 utils.logger.info(f"Note details: {note_details}") await self.batch_get_note_comments(note_id_list) async def get_note_detail(self, note_id: str, semaphore: "asyncio.Semaphore") -> Optional[Dict]: """Get note detail""" async with semaphore: try: return await self.xhs_client.get_note_by_id(note_id) except DataFetchError as ex: utils.logger.error(f"Get note detail error: {ex}") return None async def batch_get_note_comments(self, note_list: List[str]): """Batch get note comments""" utils.logger.info(f"Begin batch get note comments, note list: {note_list}") _semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list: List[Task] = [] for note_id in note_list: task = asyncio.create_task(self.get_comments(note_id, _semaphore), name=note_id) task_list.append(task) await asyncio.gather(*task_list) async def get_comments(self, note_id: str, semaphore: "asyncio.Semaphore"): """Get note comments""" async with semaphore: utils.logger.info(f"Begin get note id comments {note_id}") all_comments = await self.xhs_client.get_note_all_comments(note_id=note_id, crawl_interval=random.random()) for comment in all_comments: await xhs_model.update_xhs_note_comment(note_id=note_id, comment_item=comment) def create_proxy_info(self) -> Tuple[Optional[str], Optional[Dict], Optional[str]]: """Create proxy info for playwright and httpx""" if not config.ENABLE_IP_PROXY: return None, None, None utils.logger.info("Begin proxy info for playwright and httpx ...") # phone: 13012345671 ip_proxy: 111.122.xx.xx1:8888 phone, ip_proxy = self.account_pool.get_account() playwright_proxy = { "server": f"{config.IP_PROXY_PROTOCOL}{ip_proxy}", "username": config.IP_PROXY_USER, "password": config.IP_PROXY_PASSWORD, } httpx_proxy = f"{config.IP_PROXY_PROTOCOL}{config.IP_PROXY_USER}:{config.IP_PROXY_PASSWORD}@{ip_proxy}" return phone, playwright_proxy, httpx_proxy async def create_xhs_client(self, httpx_proxy: str) -> XHSClient: """Create xhs client""" utils.logger.info("Begin create xiaohongshu API client ...") cookie_str, cookie_dict = utils.convert_cookies(await self.browser_context.cookies()) xhs_client_obj = XHSClient( proxies=httpx_proxy, headers={ "User-Agent": self.user_agent, "Cookie": cookie_str, "Origin": "https://www.xiaohongshu.com", "Referer": "https://www.xiaohongshu.com", "Content-Type": "application/json;charset=UTF-8" }, playwright_page=self.context_page, cookie_dict=cookie_dict, ) return xhs_client_obj async def launch_browser( self, chromium: BrowserType, playwright_proxy: Optional[Dict], user_agent: Optional[str], headless: bool = True ) -> BrowserContext: """Launch browser and create browser context""" utils.logger.info("Begin create browser context ...") if config.SAVE_LOGIN_STATE: # feat issue #14 # we will save login state to avoid login every time user_data_dir = os.path.join(os.getcwd(), "browser_data", config.USER_DATA_DIR % self.command_args.platform) # type: ignore browser_context = await chromium.launch_persistent_context( user_data_dir=user_data_dir, accept_downloads=True, headless=headless, proxy=playwright_proxy, # type: ignore viewport={"width": 1920, "height": 1080}, user_agent=user_agent ) return browser_context else: browser = await chromium.launch(headless=headless, proxy=playwright_proxy) # type: ignore browser_context = await browser.new_context( viewport={"width": 1920, "height": 1080}, user_agent=user_agent ) return browser_context async def close(self): """Close browser context""" await self.browser_context.close() utils.logger.info("Browser context closed ...")