300 lines
14 KiB
Python
300 lines
14 KiB
Python
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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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import time
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from typing import Dict, List, Optional, Tuple
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from playwright.async_api import (BrowserContext, BrowserType, Page,
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async_playwright)
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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 xhs as xhs_store
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from tools import utils
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from var import crawler_type_var
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from .client import XiaoHongShuClient
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from .exception import DataFetchError
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from .field import SearchSortType
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from .login import XiaoHongShuLogin
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class XiaoHongShuCrawler(AbstractCrawler):
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context_page: Page
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xhs_client: XiaoHongShuClient
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browser_context: BrowserContext
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def __init__(self) -> None:
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self.index_url = "https://www.xiaohongshu.com"
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self.user_agent = utils.get_user_agent()
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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 = self.format_proxy_info(ip_proxy_info)
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async with async_playwright() as playwright:
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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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None,
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self.user_agent,
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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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# add a cookie attribute webId to avoid the appearance of a sliding captcha on the webpage
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await self.browser_context.add_cookies([{
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'name': "webId",
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'value': "xxx123", # any value
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'domain': ".xiaohongshu.com",
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'path': "/"
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}])
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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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# Create a client to interact with the xiaohongshu website.
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self.xhs_client = await self.create_xhs_client(httpx_proxy_format)
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if not await self.xhs_client.pong():
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login_obj = XiaoHongShuLogin(
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login_type=config.LOGIN_TYPE,
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login_phone="", # input your 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.xhs_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_notes()
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elif config.CRAWLER_TYPE == "creator":
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# Get creator's information and their notes and comments
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await self.get_creators_and_notes()
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elif config.CRAWLER_TYPE == "explore":
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await self.get_explore()
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else:
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pass
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utils.logger.info("[XiaoHongShuCrawler.start] Xhs Crawler finished ...")
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async def search(self) -> None:
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"""Search for notes and retrieve their comment information."""
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utils.logger.info("[XiaoHongShuCrawler.search] Begin search xiaohongshu keywords")
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xhs_limit_count = 20 # xhs limit page fixed value
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if config.CRAWLER_MAX_NOTES_COUNT < xhs_limit_count:
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config.CRAWLER_MAX_NOTES_COUNT = xhs_limit_count
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start_page = config.START_PAGE
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for keyword in config.KEYWORDS.split(","):
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utils.logger.info(f"[XiaoHongShuCrawler.search] Current search keyword: {keyword}")
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page = 1
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while (page - start_page + 1) * xhs_limit_count <= config.CRAWLER_MAX_NOTES_COUNT:
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if page < start_page:
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utils.logger.info(f"[XiaoHongShuCrawler.search] Skip page {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"[XiaoHongShuCrawler.search] search xhs keyword: {keyword}, page: {page}")
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note_id_list: List[str] = []
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notes_res = await self.xhs_client.get_note_by_keyword(
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keyword=keyword,
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page=page,
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sort=SearchSortType(config.SORT_TYPE) if config.SORT_TYPE != '' else SearchSortType.GENERAL,
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)
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utils.logger.info(f"[XiaoHongShuCrawler.search] Search notes res:{notes_res}")
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semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
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task_list = [
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self.get_note_detail(post_item.get("id"), semaphore)
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for post_item in notes_res.get("items", {})
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if post_item.get('model_type') not in ('rec_query', 'hot_query')
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]
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note_details = await asyncio.gather(*task_list)
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for note_detail in note_details:
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if note_detail is not None:
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await xhs_store.update_xhs_note(note_detail)
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note_id_list.append(note_detail.get("note_id"))
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page += 1
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utils.logger.info(f"[XiaoHongShuCrawler.search] Note details: {note_details}")
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await self.batch_get_note_comments(note_id_list)
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except DataFetchError:
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utils.logger.error("[XiaoHongShuCrawler.search] Get note detail error")
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break
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async def get_explore(self) -> None:
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explore_id = await self.xhs_client.get_explore_id()
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print("[+]GET explore content:")
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for id in explore_id:
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note_info = await self.xhs_client.get_note_by_id(id)
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ip_location = note_info['ip_location']
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last_update_time = str(note_info['last_update_time'])
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user_name = note_info['user']['nickname']
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user_id = note_info['user']['user_id']
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content = note_info['desc']
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timeArray = time.localtime(int(last_update_time[:-3]))
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otherStyleTime = time.strftime("%Y-%m-%d %H:%M:%S", timeArray)
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if(len(content) <= 40):
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show = content.replace("\n","\\n")
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else:
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show = content[:40].replace("\n","\\n") + "..."
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print(f"[*]IP:{ip_location},Update Time:{otherStyleTime},User Name:{user_name},Content:{show}")
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async def get_creators_and_notes(self) -> None:
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"""Get creator's notes and retrieve their comment information."""
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utils.logger.info("[XiaoHongShuCrawler.get_creators_and_notes] Begin get xiaohongshu creators")
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for user_id in config.XHS_CREATOR_ID_LIST:
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# get creator detail info from web html content
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createor_info: Dict = await self.xhs_client.get_creator_info(user_id=user_id)
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if createor_info:
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await xhs_store.save_creator(user_id, creator=createor_info)
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# Get all note information of the creator
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all_notes_list = await self.xhs_client.get_all_notes_by_creator(
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user_id=user_id,
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crawl_interval=random.random(),
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callback=self.fetch_creator_notes_detail
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)
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note_ids = [note_item.get("note_id") for note_item in all_notes_list]
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# print("note_ids:",note_ids)
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await self.batch_get_note_comments(note_ids)
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async def fetch_creator_notes_detail(self, note_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 = [
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self.get_note_detail(post_item.get("note_id"), semaphore) for post_item in note_list
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]
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note_details = await asyncio.gather(*task_list)
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for note_detail in note_details:
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if note_detail is not None:
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await xhs_store.update_xhs_note(note_detail)
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async def get_specified_notes(self):
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"""Get the information and comments of the specified post"""
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semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
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task_list = [
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self.get_note_detail(note_id=note_id, semaphore=semaphore) for note_id in config.XHS_SPECIFIED_ID_LIST
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]
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note_details = await asyncio.gather(*task_list)
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for note_detail in note_details:
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if note_detail is not None:
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await xhs_store.update_xhs_note(note_detail)
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await self.batch_get_note_comments(config.XHS_SPECIFIED_ID_LIST)
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async def get_note_detail(self, note_id: str, semaphore: asyncio.Semaphore) -> Optional[Dict]:
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"""Get note detail"""
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async with semaphore:
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try:
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return await self.xhs_client.get_note_by_id(note_id)
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except DataFetchError as ex:
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utils.logger.error(f"[XiaoHongShuCrawler.get_note_detail] Get note detail error: {ex}")
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return None
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except KeyError as ex:
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utils.logger.error(
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f"[XiaoHongShuCrawler.get_note_detail] have not fund note detail note_id:{note_id}, err: {ex}")
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return None
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async def batch_get_note_comments(self, note_list: List[str]):
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"""Batch get note comments"""
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if not config.ENABLE_GET_COMMENTS:
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utils.logger.info(f"[XiaoHongShuCrawler.batch_get_note_comments] Crawling comment mode is not enabled")
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return
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utils.logger.info(
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f"[XiaoHongShuCrawler.batch_get_note_comments] Begin batch get note comments, note list: {note_list}")
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semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
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task_list: List[Task] = []
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for note_id in note_list:
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task = asyncio.create_task(self.get_comments(note_id, semaphore), name=note_id)
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task_list.append(task)
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await asyncio.gather(*task_list)
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async def get_comments(self, note_id: str, semaphore: asyncio.Semaphore):
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"""Get note comments with keyword filtering and quantity limitation"""
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async with semaphore:
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utils.logger.info(f"[XiaoHongShuCrawler.get_comments] Begin get note id comments {note_id}")
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await self.xhs_client.get_note_all_comments(
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note_id=note_id,
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crawl_interval=random.random(),
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callback=xhs_store.batch_update_xhs_note_comments
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)
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@staticmethod
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def format_proxy_info(ip_proxy_info: IpInfoModel) -> Tuple[Optional[Dict], Optional[Dict]]:
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"""format proxy info for playwright and httpx"""
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playwright_proxy = {
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"server": f"{ip_proxy_info.protocol}{ip_proxy_info.ip}:{ip_proxy_info.port}",
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"username": ip_proxy_info.user,
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"password": ip_proxy_info.password,
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}
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httpx_proxy = {
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f"{ip_proxy_info.protocol}": f"http://{ip_proxy_info.user}:{ip_proxy_info.password}@{ip_proxy_info.ip}:{ip_proxy_info.port}"
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}
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return playwright_proxy, httpx_proxy
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async def create_xhs_client(self, httpx_proxy: Optional[str]) -> XiaoHongShuClient:
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"""Create xhs client"""
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utils.logger.info("[XiaoHongShuCrawler.create_xhs_client] Begin create xiaohongshu API client ...")
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cookie_str, cookie_dict = utils.convert_cookies(await self.browser_context.cookies())
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xhs_client_obj = XiaoHongShuClient(
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proxies=httpx_proxy,
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headers={
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"User-Agent": self.user_agent,
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"Cookie": cookie_str,
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"Origin": "https://www.xiaohongshu.com",
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"Referer": "https://www.xiaohongshu.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 xhs_client_obj
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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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utils.logger.info("[XiaoHongShuCrawler.launch_browser] Begin create browser context ...")
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if config.SAVE_LOGIN_STATE:
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# feat issue #14
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# we will save login state to avoid login every time
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user_data_dir = os.path.join(os.getcwd(), "browser_data",
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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={"width": 1920, "height": 1080},
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user_agent=user_agent
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)
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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(
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viewport={"width": 1920, "height": 1080},
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user_agent=user_agent
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)
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return browser_context
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async def close(self):
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"""Close browser context"""
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await self.browser_context.close()
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utils.logger.info("[XiaoHongShuCrawler.close] Browser context closed ...")()
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