# 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。 import asyncio import os import random import time from asyncio import Task from typing import Dict, List, Optional, Tuple from playwright.async_api import (BrowserContext, BrowserType, Page, async_playwright) import config from base.base_crawler import AbstractCrawler from proxy.proxy_ip_pool import IpInfoModel, create_ip_pool from store import kuaishou as kuaishou_store from tools import utils from var import comment_tasks_var, crawler_type_var, source_keyword_var from .client import KuaiShouClient from .exception import DataFetchError from .login import KuaishouLogin class KuaishouCrawler(AbstractCrawler): context_page: Page ks_client: KuaiShouClient browser_context: BrowserContext def __init__(self): self.index_url = "https://www.kuaishou.com" self.user_agent = utils.get_user_agent() async def start(self): playwright_proxy_format, httpx_proxy_format = None, None if config.ENABLE_IP_PROXY: ip_proxy_pool = await create_ip_pool(config.IP_PROXY_POOL_COUNT, enable_validate_ip=True) ip_proxy_info: IpInfoModel = await ip_proxy_pool.get_proxy() playwright_proxy_format, httpx_proxy_format = self.format_proxy_info(ip_proxy_info) async with async_playwright() as playwright: # Launch a browser context. chromium = playwright.chromium self.browser_context = await self.launch_browser( chromium, None, 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") self.context_page = await self.browser_context.new_page() await self.context_page.goto(f"{self.index_url}?isHome=1") # Create a client to interact with the kuaishou website. self.ks_client = await self.create_ks_client(httpx_proxy_format) if not await self.ks_client.pong(): login_obj = KuaishouLogin( login_type=config.LOGIN_TYPE, login_phone=httpx_proxy_format, browser_context=self.browser_context, context_page=self.context_page, cookie_str=config.COOKIES ) await login_obj.begin() await self.ks_client.update_cookies(browser_context=self.browser_context) crawler_type_var.set(config.CRAWLER_TYPE) if config.CRAWLER_TYPE == "search": # Search for videos and retrieve their comment information. await self.search() elif config.CRAWLER_TYPE == "detail": # Get the information and comments of the specified post await self.get_specified_videos() elif config.CRAWLER_TYPE == "creator": # Get creator's information and their videos and comments await self.get_creators_and_videos() else: pass utils.logger.info("[KuaishouCrawler.start] Kuaishou Crawler finished ...") async def search(self): utils.logger.info("[KuaishouCrawler.search] Begin search kuaishou keywords") ks_limit_count = 20 # kuaishou limit page fixed value if config.CRAWLER_MAX_NOTES_COUNT < ks_limit_count: config.CRAWLER_MAX_NOTES_COUNT = ks_limit_count start_page = config.START_PAGE for keyword in config.KEYWORDS.split(","): source_keyword_var.set(keyword) utils.logger.info(f"[KuaishouCrawler.search] Current search keyword: {keyword}") page = 1 while (page - start_page + 1) * ks_limit_count <= config.CRAWLER_MAX_NOTES_COUNT: if page < start_page: utils.logger.info(f"[KuaishouCrawler.search] Skip page: {page}") page += 1 continue utils.logger.info(f"[KuaishouCrawler.search] search kuaishou keyword: {keyword}, page: {page}") video_id_list: List[str] = [] videos_res = await self.ks_client.search_info_by_keyword( keyword=keyword, pcursor=str(page), ) if not videos_res: utils.logger.error(f"[KuaishouCrawler.search] search info by keyword:{keyword} not found data") continue vision_search_photo: Dict = videos_res.get("visionSearchPhoto") if vision_search_photo.get("result") != 1: utils.logger.error(f"[KuaishouCrawler.search] search info by keyword:{keyword} not found data ") continue for video_detail in vision_search_photo.get("feeds"): video_id_list.append(video_detail.get("photo", {}).get("id")) await kuaishou_store.update_kuaishou_video(video_item=video_detail) # batch fetch video comments page += 1 await self.batch_get_video_comments(video_id_list) async def get_specified_videos(self): """Get the information and comments of the specified post""" semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list = [ self.get_video_info_task(video_id=video_id, semaphore=semaphore) for video_id in config.KS_SPECIFIED_ID_LIST ] video_details = await asyncio.gather(*task_list) for video_detail in video_details: if video_detail is not None: await kuaishou_store.update_kuaishou_video(video_detail) await self.batch_get_video_comments(config.KS_SPECIFIED_ID_LIST) async def get_video_info_task(self, video_id: str, semaphore: asyncio.Semaphore) -> Optional[Dict]: """Get video detail task""" async with semaphore: try: result = await self.ks_client.get_video_info(video_id) utils.logger.info(f"[KuaishouCrawler.get_video_info_task] Get video_id:{video_id} info result: {result} ...") return result.get("visionVideoDetail") except DataFetchError as ex: utils.logger.error(f"[KuaishouCrawler.get_video_info_task] Get video detail error: {ex}") return None except KeyError as ex: utils.logger.error(f"[KuaishouCrawler.get_video_info_task] have not fund video detail video_id:{video_id}, err: {ex}") return None async def batch_get_video_comments(self, video_id_list: List[str]): """ batch get video comments :param video_id_list: :return: """ if not config.ENABLE_GET_COMMENTS: utils.logger.info(f"[KuaishouCrawler.batch_get_video_comments] Crawling comment mode is not enabled") return utils.logger.info(f"[KuaishouCrawler.batch_get_video_comments] video ids:{video_id_list}") semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list: List[Task] = [] for video_id in video_id_list: task = asyncio.create_task(self.get_comments(video_id, semaphore), name=video_id) task_list.append(task) comment_tasks_var.set(task_list) await asyncio.gather(*task_list) async def get_comments(self, video_id: str, semaphore: asyncio.Semaphore): """ get comment for video id :param video_id: :param semaphore: :return: """ async with semaphore: try: utils.logger.info(f"[KuaishouCrawler.get_comments] begin get video_id: {video_id} comments ...") await self.ks_client.get_video_all_comments( photo_id=video_id, crawl_interval=random.random(), callback=kuaishou_store.batch_update_ks_video_comments, max_count=config.CRAWLER_MAX_COMMENTS_COUNT_SINGLENOTES ) except DataFetchError as ex: utils.logger.error(f"[KuaishouCrawler.get_comments] get video_id: {video_id} comment error: {ex}") except Exception as e: utils.logger.error(f"[KuaishouCrawler.get_comments] may be been blocked, err:{e}") # use time.sleeep block main coroutine instead of asyncio.sleep and cacel running comment task # maybe kuaishou block our request, we will take a nap and update the cookie again current_running_tasks = comment_tasks_var.get() for task in current_running_tasks: task.cancel() time.sleep(20) await self.context_page.goto(f"{self.index_url}?isHome=1") await self.ks_client.update_cookies(browser_context=self.browser_context) @staticmethod def format_proxy_info(ip_proxy_info: IpInfoModel) -> Tuple[Optional[Dict], Optional[Dict]]: """format proxy info for playwright and httpx""" playwright_proxy = { "server": f"{ip_proxy_info.protocol}{ip_proxy_info.ip}:{ip_proxy_info.port}", "username": ip_proxy_info.user, "password": ip_proxy_info.password, } httpx_proxy = { f"{ip_proxy_info.protocol}": f"http://{ip_proxy_info.user}:{ip_proxy_info.password}@{ip_proxy_info.ip}:{ip_proxy_info.port}" } return playwright_proxy, httpx_proxy async def create_ks_client(self, httpx_proxy: Optional[str]) -> KuaiShouClient: """Create ks client""" utils.logger.info("[KuaishouCrawler.create_ks_client] Begin create kuaishou API client ...") cookie_str, cookie_dict = utils.convert_cookies(await self.browser_context.cookies()) ks_client_obj = KuaiShouClient( proxies=httpx_proxy, headers={ "User-Agent": self.user_agent, "Cookie": cookie_str, "Origin": self.index_url, "Referer": self.index_url, "Content-Type": "application/json;charset=UTF-8" }, playwright_page=self.context_page, cookie_dict=cookie_dict, ) return ks_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("[KuaishouCrawler.launch_browser] Begin create browser context ...") if config.SAVE_LOGIN_STATE: user_data_dir = os.path.join(os.getcwd(), "browser_data", config.USER_DATA_DIR % config.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 get_creators_and_videos(self) -> None: """Get creator's videos and retrieve their comment information.""" utils.logger.info("[KuaiShouCrawler.get_creators_and_videos] Begin get kuaishou creators") for user_id in config.KS_CREATOR_ID_LIST: # get creator detail info from web html content createor_info: Dict = await self.ks_client.get_creator_info(user_id=user_id) if createor_info: await kuaishou_store.save_creator(user_id, creator=createor_info) # Get all video information of the creator all_video_list = await self.ks_client.get_all_videos_by_creator( user_id = user_id, crawl_interval = random.random(), callback = self.fetch_creator_video_detail ) video_ids = [video_item.get("photo", {}).get("id") for video_item in all_video_list] await self.batch_get_video_comments(video_ids) async def fetch_creator_video_detail(self, video_list: List[Dict]): """ Concurrently obtain the specified post list and save the data """ semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list = [ self.get_video_info_task(post_item.get("photo", {}).get("id"), semaphore) for post_item in video_list ] video_details = await asyncio.gather(*task_list) for video_detail in video_details: if video_detail is not None: await kuaishou_store.update_kuaishou_video(video_detail) async def close(self): """Close browser context""" await self.browser_context.close() utils.logger.info("[KuaishouCrawler.close] Browser context closed ...")