# 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 -*- # @Author : relakkes@gmail.com # @Time : 2023/12/2 18:44 # @Desc : B站爬虫 import asyncio import os import random from asyncio import Task from typing import Dict, List, Optional, Tuple, Union from datetime import datetime, timedelta import pandas as pd from playwright.async_api import (BrowserContext, BrowserType, Page, Playwright, async_playwright) import config from base.base_crawler import AbstractCrawler from proxy.proxy_ip_pool import IpInfoModel, create_ip_pool from store import bilibili as bilibili_store from tools import utils from tools.cdp_browser import CDPBrowserManager from var import crawler_type_var, source_keyword_var from .client import BilibiliClient from .exception import DataFetchError from .field import SearchOrderType from .login import BilibiliLogin class BilibiliCrawler(AbstractCrawler): context_page: Page bili_client: BilibiliClient browser_context: BrowserContext cdp_manager: Optional[CDPBrowserManager] def __init__(self): self.index_url = "https://www.bilibili.com" self.user_agent = utils.get_user_agent() self.cdp_manager = None 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: # 根据配置选择启动模式 if config.ENABLE_CDP_MODE: utils.logger.info("[BilibiliCrawler] 使用CDP模式启动浏览器") self.browser_context = await self.launch_browser_with_cdp( playwright, playwright_proxy_format, self.user_agent, headless=config.CDP_HEADLESS ) else: utils.logger.info("[BilibiliCrawler] 使用标准模式启动浏览器") # 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(self.index_url) # Create a client to interact with the xiaohongshu website. self.bili_client = await self.create_bilibili_client(httpx_proxy_format) if not await self.bili_client.pong(): login_obj = BilibiliLogin( login_type=config.LOGIN_TYPE, login_phone="", # your phone number browser_context=self.browser_context, context_page=self.context_page, cookie_str=config.COOKIES ) await login_obj.begin() await self.bili_client.update_cookies(browser_context=self.browser_context) crawler_type_var.set(config.CRAWLER_TYPE) if config.CRAWLER_TYPE == "search": # Search for video 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(config.BILI_SPECIFIED_ID_LIST) elif config.CRAWLER_TYPE == "creator": if config.CREATOR_MODE: for creator_id in config.BILI_CREATOR_ID_LIST: await self.get_creator_videos(int(creator_id)) else: await self.get_all_creator_details(config.BILI_CREATOR_ID_LIST) else: pass utils.logger.info( "[BilibiliCrawler.start] Bilibili Crawler finished ...") @staticmethod async def get_pubtime_datetime(start: str = config.START_DAY, end: str = config.END_DAY) -> Tuple[str, str]: """ 获取 bilibili 作品发布日期起始时间戳 pubtime_begin_s 与发布日期结束时间戳 pubtime_end_s --- :param start: 发布日期起始时间，YYYY-MM-DD :param end: 发布日期结束时间，YYYY-MM-DD Note --- - 搜索的时间范围为 start 至 end，包含 start 和 end - 若要搜索同一天的内容，为了包含 start 当天的搜索内容，则 pubtime_end_s 的值应该为 pubtime_begin_s 的值加上一天再减去一秒，即 start 当天的最后一秒 - 如仅搜索 2024-01-05 的内容，pubtime_begin_s = 1704384000，pubtime_end_s = 1704470399 转换为可读的 datetime 对象：pubtime_begin_s = datetime.datetime(2024, 1, 5, 0, 0)，pubtime_end_s = datetime.datetime(2024, 1, 5, 23, 59, 59) - 若要搜索 start 至 end 的内容，为了包含 end 当天的搜索内容，则 pubtime_end_s 的值应该为 pubtime_end_s 的值加上一天再减去一秒，即 end 当天的最后一秒 - 如搜索 2024-01-05 - 2024-01-06 的内容，pubtime_begin_s = 1704384000，pubtime_end_s = 1704556799 转换为可读的 datetime 对象：pubtime_begin_s = datetime.datetime(2024, 1, 5, 0, 0)，pubtime_end_s = datetime.datetime(2024, 1, 6, 23, 59, 59) """ # 转换 start 与 end 为 datetime 对象 start_day: datetime = datetime.strptime(start, '%Y-%m-%d') end_day: datetime = datetime.strptime(end, '%Y-%m-%d') if start_day > end_day: raise ValueError('Wrong time range, please check your start and end argument, to ensure that the start cannot exceed end') elif start_day == end_day: # 搜索同一天的内容 end_day = start_day + timedelta(days=1) - timedelta(seconds=1) # 则将 end_day 设置为 start_day + 1 day - 1 second else: # 搜索 start 至 end end_day = end_day + timedelta(days=1) - timedelta(seconds=1) # 则将 end_day 设置为 end_day + 1 day - 1 second # 将其重新转换为时间戳 return str(int(start_day.timestamp())), str(int(end_day.timestamp())) async def search(self): """ search bilibili video with keywords :return: """ utils.logger.info("[BilibiliCrawler.search] Begin search bilibli keywords") bili_limit_count = 20 # bilibili limit page fixed value if config.CRAWLER_MAX_NOTES_COUNT < bili_limit_count: config.CRAWLER_MAX_NOTES_COUNT = bili_limit_count start_page = config.START_PAGE # start page number for keyword in config.KEYWORDS.split(","): source_keyword_var.set(keyword) utils.logger.info(f"[BilibiliCrawler.search] Current search keyword: {keyword}") # 每个关键词最多返回 1000 条数据 if not config.ALL_DAY: page = 1 while (page - start_page + 1) * bili_limit_count <= config.CRAWLER_MAX_NOTES_COUNT: if page < start_page: utils.logger.info(f"[BilibiliCrawler.search] Skip page: {page}") page += 1 continue utils.logger.info(f"[BilibiliCrawler.search] search bilibili keyword: {keyword}, page: {page}") video_id_list: List[str] = [] videos_res = await self.bili_client.search_video_by_keyword( keyword=keyword, page=page, page_size=bili_limit_count, order=SearchOrderType.DEFAULT, pubtime_begin_s=0, # 作品发布日期起始时间戳 pubtime_end_s=0 # 作品发布日期结束日期时间戳 ) video_list: List[Dict] = videos_res.get("result") semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list = [] try: task_list = [self.get_video_info_task(aid=video_item.get("aid"), bvid="", semaphore=semaphore) for video_item in video_list] except Exception as e: utils.logger.warning(f"[BilibiliCrawler.search] error in the task list. The video for this page will not be included. {e}") video_items = await asyncio.gather(*task_list) for video_item in video_items: if video_item: video_id_list.append(video_item.get("View").get("aid")) await bilibili_store.update_bilibili_video(video_item) await bilibili_store.update_up_info(video_item) await self.get_bilibili_video(video_item, semaphore) page += 1 await self.batch_get_video_comments(video_id_list) # 按照 START_DAY 至 END_DAY 按照每一天进行筛选，这样能够突破 1000 条视频的限制，最大程度爬取该关键词下每一天的所有视频 else: for day in pd.date_range(start=config.START_DAY, end=config.END_DAY, freq='D'): # 按照每一天进行爬取的时间戳参数 pubtime_begin_s, pubtime_end_s = await self.get_pubtime_datetime(start=day.strftime('%Y-%m-%d'), end=day.strftime('%Y-%m-%d')) page = 1 notes_count_this_day = 0 #!该段 while 语句在发生异常时（通常情况下为当天数据为空时）会自动跳转到下一天，以实现最大程度爬取该关键词下当天的所有视频 #!除了仅保留现在原有的 try, except Exception 语句外，不要再添加其他的异常处理！！！否则将使该段代码失效，使其仅能爬取当天一天数据而无法跳转到下一天 #!除非将该段代码的逻辑进行重构以实现相同的功能，否则不要进行修改！！！ while (page - start_page + 1) * bili_limit_count <= config.CRAWLER_MAX_NOTES_COUNT: if notes_count_this_day >= config.MAX_NOTES_PER_DAY: utils.logger.info(f"[BilibiliCrawler.search] Reached the maximum number of notes for today {day.ctime()}.") break #! Catch any error if response return nothing, go to next day try: #! Don't skip any page, to make sure gather all video in one day # if page < start_page: # utils.logger.info(f"[BilibiliCrawler.search] Skip page: {page}") # page += 1 # continue utils.logger.info(f"[BilibiliCrawler.search] search bilibili keyword: {keyword}, date: {day.ctime()}, page: {page}") video_id_list: List[str] = [] videos_res = await self.bili_client.search_video_by_keyword( keyword=keyword, page=page, page_size=bili_limit_count, order=SearchOrderType.DEFAULT, pubtime_begin_s=pubtime_begin_s, # 作品发布日期起始时间戳 pubtime_end_s=pubtime_end_s # 作品发布日期结束日期时间戳 ) video_list: List[Dict] = videos_res.get("result") semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list = [self.get_video_info_task(aid=video_item.get("aid"), bvid="", semaphore=semaphore) for video_item in video_list] video_items = await asyncio.gather(*task_list) for video_item in video_items: if video_item: notes_count_this_day += 1 video_id_list.append(video_item.get("View").get("aid")) await bilibili_store.update_bilibili_video(video_item) await bilibili_store.update_up_info(video_item) await self.get_bilibili_video(video_item, semaphore) page += 1 await self.batch_get_video_comments(video_id_list) # go to next day except Exception as e: print(e) break 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"[BilibiliCrawler.batch_get_note_comments] Crawling comment mode is not enabled") return utils.logger.info( f"[BilibiliCrawler.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) 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"[BilibiliCrawler.get_comments] begin get video_id: {video_id} comments ...") await self.bili_client.get_video_all_comments( video_id=video_id, crawl_interval=random.random(), is_fetch_sub_comments=config.ENABLE_GET_SUB_COMMENTS, callback=bilibili_store.batch_update_bilibili_video_comments, max_count=config.CRAWLER_MAX_COMMENTS_COUNT_SINGLENOTES, ) except DataFetchError as ex: utils.logger.error( f"[BilibiliCrawler.get_comments] get video_id: {video_id} comment error: {ex}") except Exception as e: utils.logger.error( f"[BilibiliCrawler.get_comments] may be been blocked, err:{e}") async def get_creator_videos(self, creator_id: int): """ get videos for a creator :return: """ ps = 30 pn = 1 while True: result = await self.bili_client.get_creator_videos(creator_id, pn, ps) video_bvids_list = [video["bvid"] for video in result["list"]["vlist"]] await self.get_specified_videos(video_bvids_list) if int(result["page"]["count"]) <= pn * ps: break await asyncio.sleep(random.random()) pn += 1 async def get_specified_videos(self, bvids_list: List[str]): """ get specified videos info :return: """ semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list = [ self.get_video_info_task(aid=0, bvid=video_id, semaphore=semaphore) for video_id in bvids_list ] video_details = await asyncio.gather(*task_list) video_aids_list = [] for video_detail in video_details: if video_detail is not None: video_item_view: Dict = video_detail.get("View") video_aid: str = video_item_view.get("aid") if video_aid: video_aids_list.append(video_aid) await bilibili_store.update_bilibili_video(video_detail) await bilibili_store.update_up_info(video_detail) await self.get_bilibili_video(video_detail, semaphore) await self.batch_get_video_comments(video_aids_list) async def get_video_info_task(self, aid: int, bvid: str, semaphore: asyncio.Semaphore) -> Optional[Dict]: """ Get video detail task :param aid: :param bvid: :param semaphore: :return: """ async with semaphore: try: result = await self.bili_client.get_video_info(aid=aid, bvid=bvid) return result except DataFetchError as ex: utils.logger.error( f"[BilibiliCrawler.get_video_info_task] Get video detail error: {ex}") return None except KeyError as ex: utils.logger.error( f"[BilibiliCrawler.get_video_info_task] have not fund note detail video_id:{bvid}, err: {ex}") return None async def get_video_play_url_task(self, aid: int, cid: int, semaphore: asyncio.Semaphore) -> Union[Dict, None]: """ Get video play url :param aid: :param cid: :param semaphore: :return: """ async with semaphore: try: result = await self.bili_client.get_video_play_url(aid=aid, cid=cid) return result except DataFetchError as ex: utils.logger.error( f"[BilibiliCrawler.get_video_play_url_task] Get video play url error: {ex}") return None except KeyError as ex: utils.logger.error( f"[BilibiliCrawler.get_video_play_url_task] have not fund play url from :{aid}|{cid}, err: {ex}") return None async def create_bilibili_client(self, httpx_proxy: Optional[str]) -> BilibiliClient: """ create bilibili client :param httpx_proxy: httpx proxy :return: bilibili client """ utils.logger.info( "[BilibiliCrawler.create_bilibili_client] Begin create bilibili API client ...") cookie_str, cookie_dict = utils.convert_cookies(await self.browser_context.cookies()) bilibili_client_obj = BilibiliClient( proxies=httpx_proxy, headers={ "User-Agent": self.user_agent, "Cookie": cookie_str, "Origin": "https://www.bilibili.com", "Referer": "https://www.bilibili.com", "Content-Type": "application/json;charset=UTF-8" }, playwright_page=self.context_page, cookie_dict=cookie_dict, ) return bilibili_client_obj @staticmethod def format_proxy_info(ip_proxy_info: IpInfoModel) -> Tuple[Optional[Dict], Optional[Dict]]: """ format proxy info for playwright and httpx :param ip_proxy_info: ip proxy info :return: playwright proxy, httpx proxy """ 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 launch_browser( self, chromium: BrowserType, playwright_proxy: Optional[Dict], user_agent: Optional[str], headless: bool = True ) -> BrowserContext: """ launch browser and create browser context :param chromium: chromium browser :param playwright_proxy: playwright proxy :param user_agent: user agent :param headless: headless mode :return: browser context """ utils.logger.info( "[BilibiliCrawler.launch_browser] 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 % 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: # type: ignore browser = await chromium.launch(headless=headless, proxy=playwright_proxy) browser_context = await browser.new_context( viewport={"width": 1920, "height": 1080}, user_agent=user_agent ) return browser_context async def launch_browser_with_cdp(self, playwright: Playwright, playwright_proxy: Optional[Dict], user_agent: Optional[str], headless: bool = True) -> BrowserContext: """ 使用CDP模式启动浏览器 """ try: self.cdp_manager = CDPBrowserManager() browser_context = await self.cdp_manager.launch_and_connect( playwright=playwright, playwright_proxy=playwright_proxy, user_agent=user_agent, headless=headless ) # 显示浏览器信息 browser_info = await self.cdp_manager.get_browser_info() utils.logger.info(f"[BilibiliCrawler] CDP浏览器信息: {browser_info}") return browser_context except Exception as e: utils.logger.error(f"[BilibiliCrawler] CDP模式启动失败，回退到标准模式: {e}") # 回退到标准模式 chromium = playwright.chromium return await self.launch_browser(chromium, playwright_proxy, user_agent, headless) async def close(self): """Close browser context""" # 如果使用CDP模式，需要特殊处理 if self.cdp_manager: await self.cdp_manager.cleanup() self.cdp_manager = None else: await self.browser_context.close() utils.logger.info("[BilibiliCrawler.close] Browser context closed ...") async def get_bilibili_video(self, video_item: Dict, semaphore: asyncio.Semaphore): """ download bilibili video :param video_item: :param semaphore: :return: """ if not config.ENABLE_GET_IMAGES: utils.logger.info(f"[BilibiliCrawler.get_bilibili_video] Crawling image mode is not enabled") return video_item_view: Dict = video_item.get("View") aid = video_item_view.get("aid") cid = video_item_view.get("cid") result = await self.get_video_play_url_task(aid, cid, semaphore) if result is None: utils.logger.info("[BilibiliCrawler.get_bilibili_video] get video play url failed") return durl_list = result.get("durl") max_size = -1 video_url = "" for durl in durl_list: size = durl.get("size") if size > max_size: max_size = size video_url = durl.get("url") if video_url == "": utils.logger.info("[BilibiliCrawler.get_bilibili_video] get video url failed") return content = await self.bili_client.get_video_media(video_url) if content is None: return extension_file_name = f"video.mp4" await bilibili_store.store_video(aid, content, extension_file_name) async def get_all_creator_details(self, creator_id_list: List[int]): """ creator_id_list: get details for creator from creator_id_list """ utils.logger.info( f"[BilibiliCrawler.get_creator_details] Crawling the detalis of creator") utils.logger.info( f"[BilibiliCrawler.get_creator_details] creator ids:{creator_id_list}") semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM) task_list: List[Task] = [] try: for creator_id in creator_id_list: task = asyncio.create_task(self.get_creator_details( creator_id, semaphore), name=creator_id) task_list.append(task) except Exception as e: utils.logger.warning( f"[BilibiliCrawler.get_all_creator_details] error in the task list. The creator will not be included. {e}") await asyncio.gather(*task_list) async def get_creator_details(self, creator_id: int, semaphore: asyncio.Semaphore): """ get details for creator id :param creator_id: :param semaphore: :return: """ async with semaphore: creator_unhandled_info: Dict = await self.bili_client.get_creator_info(creator_id) creator_info: Dict = { "id": creator_id, "name": creator_unhandled_info.get("name"), "sign": creator_unhandled_info.get("sign"), "avatar": creator_unhandled_info.get("face"), } await self.get_fans(creator_info, semaphore) await self.get_followings(creator_info, semaphore) await self.get_dynamics(creator_info, semaphore) async def get_fans(self, creator_info: Dict, semaphore: asyncio.Semaphore): """ get fans for creator id :param creator_info: :param semaphore: :return: """ creator_id = creator_info["id"] async with semaphore: try: utils.logger.info( f"[BilibiliCrawler.get_fans] begin get creator_id: {creator_id} fans ...") await self.bili_client.get_creator_all_fans( creator_info=creator_info, crawl_interval=random.random(), callback=bilibili_store.batch_update_bilibili_creator_fans, max_count=config.CRAWLER_MAX_CONTACTS_COUNT_SINGLENOTES, ) except DataFetchError as ex: utils.logger.error( f"[BilibiliCrawler.get_fans] get creator_id: {creator_id} fans error: {ex}") except Exception as e: utils.logger.error( f"[BilibiliCrawler.get_fans] may be been blocked, err:{e}") async def get_followings(self, creator_info: Dict, semaphore: asyncio.Semaphore): """ get followings for creator id :param creator_info: :param semaphore: :return: """ creator_id = creator_info["id"] async with semaphore: try: utils.logger.info( f"[BilibiliCrawler.get_followings] begin get creator_id: {creator_id} followings ...") await self.bili_client.get_creator_all_followings( creator_info=creator_info, crawl_interval=random.random(), callback=bilibili_store.batch_update_bilibili_creator_followings, max_count=config.CRAWLER_MAX_CONTACTS_COUNT_SINGLENOTES, ) except DataFetchError as ex: utils.logger.error( f"[BilibiliCrawler.get_followings] get creator_id: {creator_id} followings error: {ex}") except Exception as e: utils.logger.error( f"[BilibiliCrawler.get_followings] may be been blocked, err:{e}") async def get_dynamics(self, creator_info: Dict, semaphore: asyncio.Semaphore): """ get dynamics for creator id :param creator_info: :param semaphore: :return: """ creator_id = creator_info["id"] async with semaphore: try: utils.logger.info( f"[BilibiliCrawler.get_dynamics] begin get creator_id: {creator_id} dynamics ...") await self.bili_client.get_creator_all_dynamics( creator_info=creator_info, crawl_interval=random.random(), callback=bilibili_store.batch_update_bilibili_creator_dynamics, max_count=config.CRAWLER_MAX_DYNAMICS_COUNT_SINGLENOTES, ) except DataFetchError as ex: utils.logger.error( f"[BilibiliCrawler.get_dynamics] get creator_id: {creator_id} dynamics error: {ex}") except Exception as e: utils.logger.error( f"[BilibiliCrawler.get_dynamics] may be been blocked, err:{e}")