mirror of
https://github.com/NanmiCoder/MediaCrawler.git
synced 2025-11-25 03:15:17 +08:00
442 lines
20 KiB
Python
442 lines
20 KiB
Python
# 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：
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# 1. 不得用于任何商业用途。
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# 2. 使用时应遵守目标平台的使用条款和robots.txt规则。
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# 3. 不得进行大规模爬取或对平台造成运营干扰。
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# 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。
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# 5. 不得用于任何非法或不当的用途。
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#
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# 详细许可条款请参阅项目根目录下的LICENSE文件。
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# 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。
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import asyncio
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import os
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import random
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from asyncio import Task
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from typing import Any, Dict, List, Optional, Tuple
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from playwright.async_api import (
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BrowserContext,
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BrowserType,
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Page,
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Playwright,
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async_playwright,
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)
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import config
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from base.base_crawler import AbstractCrawler
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from proxy.proxy_ip_pool import IpInfoModel, create_ip_pool
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from store import douyin as douyin_store
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from tools import utils
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from tools.cdp_browser import CDPBrowserManager
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from var import crawler_type_var, source_keyword_var
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from .client import DouYinClient
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from .exception import DataFetchError
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from .field import PublishTimeType
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from .help import parse_video_info_from_url, parse_creator_info_from_url
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from .login import DouYinLogin
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class DouYinCrawler(AbstractCrawler):
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context_page: Page
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dy_client: DouYinClient
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browser_context: BrowserContext
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cdp_manager: Optional[CDPBrowserManager]
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def __init__(self) -> None:
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self.index_url = "https://www.douyin.com"
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self.cdp_manager = None
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async def start(self) -> None:
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playwright_proxy_format, httpx_proxy_format = None, None
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if config.ENABLE_IP_PROXY:
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ip_proxy_pool = await create_ip_pool(config.IP_PROXY_POOL_COUNT, enable_validate_ip=True)
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ip_proxy_info: IpInfoModel = await ip_proxy_pool.get_proxy()
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playwright_proxy_format, httpx_proxy_format = utils.format_proxy_info(ip_proxy_info)
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async with async_playwright() as playwright:
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# 根据配置选择启动模式
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if config.ENABLE_CDP_MODE:
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utils.logger.info("[DouYinCrawler] 使用CDP模式启动浏览器")
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self.browser_context = await self.launch_browser_with_cdp(
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playwright,
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playwright_proxy_format,
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None,
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headless=config.CDP_HEADLESS,
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)
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else:
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utils.logger.info("[DouYinCrawler] 使用标准模式启动浏览器")
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# Launch a browser context.
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chromium = playwright.chromium
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self.browser_context = await self.launch_browser(
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chromium,
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playwright_proxy_format,
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user_agent=None,
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headless=config.HEADLESS,
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)
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# stealth.min.js is a js script to prevent the website from detecting the crawler.
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await self.browser_context.add_init_script(path="libs/stealth.min.js")
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self.context_page = await self.browser_context.new_page()
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await self.context_page.goto(self.index_url)
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self.dy_client = await self.create_douyin_client(httpx_proxy_format)
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if not await self.dy_client.pong(browser_context=self.browser_context):
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login_obj = DouYinLogin(
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login_type=config.LOGIN_TYPE,
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login_phone="", # you phone number
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browser_context=self.browser_context,
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context_page=self.context_page,
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cookie_str=config.COOKIES,
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)
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await login_obj.begin()
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await self.dy_client.update_cookies(browser_context=self.browser_context)
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crawler_type_var.set(config.CRAWLER_TYPE)
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if config.CRAWLER_TYPE == "search":
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# Search for notes and retrieve their comment information.
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await self.search()
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elif config.CRAWLER_TYPE == "detail":
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# Get the information and comments of the specified post
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await self.get_specified_awemes()
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elif config.CRAWLER_TYPE == "creator":
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# Get the information and comments of the specified creator
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await self.get_creators_and_videos()
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utils.logger.info("[DouYinCrawler.start] Douyin Crawler finished ...")
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async def search(self) -> None:
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utils.logger.info("[DouYinCrawler.search] Begin search douyin keywords")
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dy_limit_count = 10 # douyin limit page fixed value
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if config.CRAWLER_MAX_NOTES_COUNT < dy_limit_count:
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config.CRAWLER_MAX_NOTES_COUNT = dy_limit_count
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start_page = config.START_PAGE # start page number
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for keyword in config.KEYWORDS.split(","):
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source_keyword_var.set(keyword)
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utils.logger.info(f"[DouYinCrawler.search] Current keyword: {keyword}")
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aweme_list: List[str] = []
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page = 0
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dy_search_id = ""
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while (page - start_page + 1) * dy_limit_count <= config.CRAWLER_MAX_NOTES_COUNT:
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if page < start_page:
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utils.logger.info(f"[DouYinCrawler.search] Skip {page}")
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page += 1
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continue
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try:
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utils.logger.info(f"[DouYinCrawler.search] search douyin keyword: {keyword}, page: {page}")
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posts_res = await self.dy_client.search_info_by_keyword(
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keyword=keyword,
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offset=page * dy_limit_count - dy_limit_count,
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publish_time=PublishTimeType(config.PUBLISH_TIME_TYPE),
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search_id=dy_search_id,
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)
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if posts_res.get("data") is None or posts_res.get("data") == []:
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utils.logger.info(f"[DouYinCrawler.search] search douyin keyword: {keyword}, page: {page} is empty,{posts_res.get('data')}`")
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break
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except DataFetchError:
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utils.logger.error(f"[DouYinCrawler.search] search douyin keyword: {keyword} failed")
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break
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page += 1
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if "data" not in posts_res:
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utils.logger.error(f"[DouYinCrawler.search] search douyin keyword: {keyword} failed，账号也许被风控了。")
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break
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dy_search_id = posts_res.get("extra", {}).get("logid", "")
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for post_item in posts_res.get("data"):
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try:
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aweme_info: Dict = (post_item.get("aweme_info") or post_item.get("aweme_mix_info", {}).get("mix_items")[0])
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except TypeError:
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continue
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aweme_list.append(aweme_info.get("aweme_id", ""))
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await douyin_store.update_douyin_aweme(aweme_item=aweme_info)
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await self.get_aweme_media(aweme_item=aweme_info)
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# Sleep after each page navigation
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await asyncio.sleep(config.CRAWLER_MAX_SLEEP_SEC)
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utils.logger.info(f"[DouYinCrawler.search] Sleeping for {config.CRAWLER_MAX_SLEEP_SEC} seconds after page {page-1}")
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utils.logger.info(f"[DouYinCrawler.search] keyword:{keyword}, aweme_list:{aweme_list}")
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await self.batch_get_note_comments(aweme_list)
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async def get_specified_awemes(self):
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"""Get the information and comments of the specified post from URLs or IDs"""
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utils.logger.info("[DouYinCrawler.get_specified_awemes] Parsing video URLs...")
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aweme_id_list = []
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for video_url in config.DY_SPECIFIED_ID_LIST:
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try:
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video_info = parse_video_info_from_url(video_url)
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# 处理短链接
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if video_info.url_type == "short":
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utils.logger.info(f"[DouYinCrawler.get_specified_awemes] Resolving short link: {video_url}")
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resolved_url = await self.dy_client.resolve_short_url(video_url)
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if resolved_url:
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# 从解析后的URL中提取视频ID
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video_info = parse_video_info_from_url(resolved_url)
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utils.logger.info(f"[DouYinCrawler.get_specified_awemes] Short link resolved to aweme ID: {video_info.aweme_id}")
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else:
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utils.logger.error(f"[DouYinCrawler.get_specified_awemes] Failed to resolve short link: {video_url}")
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continue
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aweme_id_list.append(video_info.aweme_id)
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utils.logger.info(f"[DouYinCrawler.get_specified_awemes] Parsed aweme ID: {video_info.aweme_id} from {video_url}")
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except ValueError as e:
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utils.logger.error(f"[DouYinCrawler.get_specified_awemes] Failed to parse video URL: {e}")
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continue
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semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
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task_list = [self.get_aweme_detail(aweme_id=aweme_id, semaphore=semaphore) for aweme_id in aweme_id_list]
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aweme_details = await asyncio.gather(*task_list)
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for aweme_detail in aweme_details:
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if aweme_detail is not None:
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await douyin_store.update_douyin_aweme(aweme_item=aweme_detail)
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await self.get_aweme_media(aweme_item=aweme_detail)
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await self.batch_get_note_comments(aweme_id_list)
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async def get_aweme_detail(self, aweme_id: str, semaphore: asyncio.Semaphore) -> Any:
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"""Get note detail"""
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async with semaphore:
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try:
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result = await self.dy_client.get_video_by_id(aweme_id)
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# Sleep after fetching aweme detail
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await asyncio.sleep(config.CRAWLER_MAX_SLEEP_SEC)
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utils.logger.info(f"[DouYinCrawler.get_aweme_detail] Sleeping for {config.CRAWLER_MAX_SLEEP_SEC} seconds after fetching aweme {aweme_id}")
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return result
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except DataFetchError as ex:
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utils.logger.error(f"[DouYinCrawler.get_aweme_detail] Get aweme detail error: {ex}")
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return None
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except KeyError as ex:
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utils.logger.error(f"[DouYinCrawler.get_aweme_detail] have not fund note detail aweme_id:{aweme_id}, err: {ex}")
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return None
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async def batch_get_note_comments(self, aweme_list: List[str]) -> None:
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"""
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Batch get note comments
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"""
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if not config.ENABLE_GET_COMMENTS:
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utils.logger.info(f"[DouYinCrawler.batch_get_note_comments] Crawling comment mode is not enabled")
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return
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task_list: List[Task] = []
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semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
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for aweme_id in aweme_list:
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task = asyncio.create_task(self.get_comments(aweme_id, semaphore), name=aweme_id)
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task_list.append(task)
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if len(task_list) > 0:
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await asyncio.wait(task_list)
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async def get_comments(self, aweme_id: str, semaphore: asyncio.Semaphore) -> None:
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async with semaphore:
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try:
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# 将关键词列表传递给 get_aweme_all_comments 方法
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# Use fixed crawling interval
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crawl_interval = config.CRAWLER_MAX_SLEEP_SEC
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await self.dy_client.get_aweme_all_comments(
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aweme_id=aweme_id,
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crawl_interval=crawl_interval,
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is_fetch_sub_comments=config.ENABLE_GET_SUB_COMMENTS,
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callback=douyin_store.batch_update_dy_aweme_comments,
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max_count=config.CRAWLER_MAX_COMMENTS_COUNT_SINGLENOTES,
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)
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# Sleep after fetching comments
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await asyncio.sleep(crawl_interval)
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utils.logger.info(f"[DouYinCrawler.get_comments] Sleeping for {crawl_interval} seconds after fetching comments for aweme {aweme_id}")
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utils.logger.info(f"[DouYinCrawler.get_comments] aweme_id: {aweme_id} comments have all been obtained and filtered ...")
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except DataFetchError as e:
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utils.logger.error(f"[DouYinCrawler.get_comments] aweme_id: {aweme_id} get comments failed, error: {e}")
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async def get_creators_and_videos(self) -> None:
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"""
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Get the information and videos of the specified creator from URLs or IDs
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"""
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utils.logger.info("[DouYinCrawler.get_creators_and_videos] Begin get douyin creators")
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utils.logger.info("[DouYinCrawler.get_creators_and_videos] Parsing creator URLs...")
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for creator_url in config.DY_CREATOR_ID_LIST:
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try:
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creator_info_parsed = parse_creator_info_from_url(creator_url)
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user_id = creator_info_parsed.sec_user_id
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utils.logger.info(f"[DouYinCrawler.get_creators_and_videos] Parsed sec_user_id: {user_id} from {creator_url}")
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except ValueError as e:
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utils.logger.error(f"[DouYinCrawler.get_creators_and_videos] Failed to parse creator URL: {e}")
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continue
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creator_info: Dict = await self.dy_client.get_user_info(user_id)
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if creator_info:
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await douyin_store.save_creator(user_id, creator=creator_info)
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# Get all video information of the creator
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all_video_list = await self.dy_client.get_all_user_aweme_posts(sec_user_id=user_id, callback=self.fetch_creator_video_detail)
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video_ids = [video_item.get("aweme_id") for video_item in all_video_list]
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await self.batch_get_note_comments(video_ids)
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async def fetch_creator_video_detail(self, video_list: List[Dict]):
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"""
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Concurrently obtain the specified post list and save the data
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"""
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semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
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task_list = [self.get_aweme_detail(post_item.get("aweme_id"), semaphore) for post_item in video_list]
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note_details = await asyncio.gather(*task_list)
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for aweme_item in note_details:
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if aweme_item is not None:
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await douyin_store.update_douyin_aweme(aweme_item=aweme_item)
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await self.get_aweme_media(aweme_item=aweme_item)
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async def create_douyin_client(self, httpx_proxy: Optional[str]) -> DouYinClient:
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"""Create douyin client"""
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cookie_str, cookie_dict = utils.convert_cookies(await self.browser_context.cookies()) # type: ignore
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douyin_client = DouYinClient(
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proxy=httpx_proxy,
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headers={
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"User-Agent": await self.context_page.evaluate("() => navigator.userAgent"),
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"Cookie": cookie_str,
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"Host": "www.douyin.com",
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"Origin": "https://www.douyin.com/",
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"Referer": "https://www.douyin.com/",
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"Content-Type": "application/json;charset=UTF-8",
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},
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playwright_page=self.context_page,
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cookie_dict=cookie_dict,
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)
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return douyin_client
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async def launch_browser(
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self,
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chromium: BrowserType,
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playwright_proxy: Optional[Dict],
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user_agent: Optional[str],
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headless: bool = True,
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) -> BrowserContext:
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"""Launch browser and create browser context"""
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if config.SAVE_LOGIN_STATE:
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user_data_dir = os.path.join(os.getcwd(), "browser_data", config.USER_DATA_DIR % config.PLATFORM) # type: ignore
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browser_context = await chromium.launch_persistent_context(
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user_data_dir=user_data_dir,
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accept_downloads=True,
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headless=headless,
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proxy=playwright_proxy, # type: ignore
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viewport={
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"width": 1920,
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"height": 1080
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},
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user_agent=user_agent,
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) # type: ignore
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return browser_context
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else:
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browser = await chromium.launch(headless=headless, proxy=playwright_proxy) # type: ignore
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browser_context = await browser.new_context(viewport={"width": 1920, "height": 1080}, user_agent=user_agent)
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return browser_context
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async def launch_browser_with_cdp(
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self,
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playwright: Playwright,
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playwright_proxy: Optional[Dict],
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user_agent: Optional[str],
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headless: bool = True,
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) -> BrowserContext:
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"""
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使用CDP模式启动浏览器
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"""
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try:
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self.cdp_manager = CDPBrowserManager()
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browser_context = await self.cdp_manager.launch_and_connect(
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playwright=playwright,
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playwright_proxy=playwright_proxy,
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user_agent=user_agent,
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headless=headless,
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)
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# 添加反检测脚本
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await self.cdp_manager.add_stealth_script()
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# 显示浏览器信息
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browser_info = await self.cdp_manager.get_browser_info()
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utils.logger.info(f"[DouYinCrawler] CDP浏览器信息: {browser_info}")
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return browser_context
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except Exception as e:
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utils.logger.error(f"[DouYinCrawler] CDP模式启动失败，回退到标准模式: {e}")
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# 回退到标准模式
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chromium = playwright.chromium
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return await self.launch_browser(chromium, playwright_proxy, user_agent, headless)
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async def close(self) -> None:
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"""Close browser context"""
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# 如果使用CDP模式，需要特殊处理
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if self.cdp_manager:
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await self.cdp_manager.cleanup()
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self.cdp_manager = None
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else:
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await self.browser_context.close()
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utils.logger.info("[DouYinCrawler.close] Browser context closed ...")
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async def get_aweme_media(self, aweme_item: Dict):
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"""
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获取抖音媒体，自动判断媒体类型是短视频还是帖子图片并下载
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Args:
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aweme_item (Dict): 抖音作品详情
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"""
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if not config.ENABLE_GET_MEIDAS:
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utils.logger.info(f"[DouYinCrawler.get_aweme_media] Crawling image mode is not enabled")
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return
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# 笔记 urls 列表，若为短视频类型则返回为空列表
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note_download_url: List[str] = douyin_store._extract_note_image_list(aweme_item)
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# 视频 url，永远存在，但为短视频类型时的文件其实是音频文件
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video_download_url: str = douyin_store._extract_video_download_url(aweme_item)
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# TODO: 抖音并没采用音视频分离的策略，故音频可从原视频中分离，暂不提取
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if note_download_url:
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await self.get_aweme_images(aweme_item)
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else:
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await self.get_aweme_video(aweme_item)
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async def get_aweme_images(self, aweme_item: Dict):
|
||
"""
|
||
get aweme images. please use get_aweme_media
|
||
|
||
Args:
|
||
aweme_item (Dict): 抖音作品详情
|
||
"""
|
||
if not config.ENABLE_GET_MEIDAS:
|
||
return
|
||
aweme_id = aweme_item.get("aweme_id")
|
||
# 笔记 urls 列表，若为短视频类型则返回为空列表
|
||
note_download_url: List[str] = douyin_store._extract_note_image_list(aweme_item)
|
||
|
||
if not note_download_url:
|
||
return
|
||
picNum = 0
|
||
for url in note_download_url:
|
||
if not url:
|
||
continue
|
||
content = await self.dy_client.get_aweme_media(url)
|
||
await asyncio.sleep(random.random())
|
||
if content is None:
|
||
continue
|
||
extension_file_name = f"{picNum:>03d}.jpeg"
|
||
picNum += 1
|
||
await douyin_store.update_dy_aweme_image(aweme_id, content, extension_file_name)
|
||
|
||
async def get_aweme_video(self, aweme_item: Dict):
|
||
"""
|
||
get aweme videos. please use get_aweme_media
|
||
|
||
Args:
|
||
aweme_item (Dict): 抖音作品详情
|
||
"""
|
||
if not config.ENABLE_GET_MEIDAS:
|
||
return
|
||
aweme_id = aweme_item.get("aweme_id")
|
||
|
||
# 视频 url，永远存在，但为短视频类型时的文件其实是音频文件
|
||
video_download_url: str = douyin_store._extract_video_download_url(aweme_item)
|
||
|
||
if not video_download_url:
|
||
return
|
||
content = await self.dy_client.get_aweme_media(video_download_url)
|
||
await asyncio.sleep(random.random())
|
||
if content is None:
|
||
return
|
||
extension_file_name = f"video.mp4"
|
||
await douyin_store.update_dy_aweme_video(aweme_id, content, extension_file_name)
|