MediaCrawler/media_platform/xhs/core.py

398 lines
18 KiB
Python
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# 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
from asyncio import Task
from typing import Dict, List, Optional, Tuple
from playwright.async_api import (BrowserContext, BrowserType, Page,
async_playwright)
from tenacity import RetryError
import config
from base.base_crawler import AbstractCrawler
from config import CRAWLER_MAX_COMMENTS_COUNT_SINGLENOTES
from model.m_xiaohongshu import NoteUrlInfo
from proxy.proxy_ip_pool import IpInfoModel, create_ip_pool
from store import xhs as xhs_store
from tools import utils
from var import crawler_type_var, source_keyword_var
from .client import XiaoHongShuClient
from .exception import DataFetchError
from .field import SearchSortType
from .help import parse_note_info_from_note_url, get_search_id
from .login import XiaoHongShuLogin
class XiaoHongShuCrawler(AbstractCrawler):
context_page: Page
xhs_client: XiaoHongShuClient
browser_context: BrowserContext
def __init__(self) -> None:
self.index_url = "https://www.xiaohongshu.com"
# self.user_agent = utils.get_user_agent()
self.user_agent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36"
async def start(self) -> None:
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")
# 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_format)
if not await self.xhs_client.pong():
login_obj = XiaoHongShuLogin(
login_type=config.LOGIN_TYPE,
login_phone="", # input your phone number
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)
crawler_type_var.set(config.CRAWLER_TYPE)
if config.CRAWLER_TYPE == "search":
# Search for notes 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_notes()
elif config.CRAWLER_TYPE == "creator":
# Get creator's information and their notes and comments
await self.get_creators_and_notes()
else:
pass
utils.logger.info("[XiaoHongShuCrawler.start] Xhs Crawler finished ...")
async def search(self) -> None:
"""Search for notes and retrieve their comment information."""
utils.logger.info("[XiaoHongShuCrawler.search] Begin search xiaohongshu keywords")
xhs_limit_count = 20 # xhs limit page fixed value
if config.CRAWLER_MAX_NOTES_COUNT < xhs_limit_count:
config.CRAWLER_MAX_NOTES_COUNT = xhs_limit_count
start_page = config.START_PAGE
for keyword in config.KEYWORDS.split(","):
source_keyword_var.set(keyword)
utils.logger.info(f"[XiaoHongShuCrawler.search] Current search keyword: {keyword}")
page = 1
search_id = get_search_id()
while (page - start_page + 1) * xhs_limit_count <= config.CRAWLER_MAX_NOTES_COUNT:
if page < start_page:
utils.logger.info(f"[XiaoHongShuCrawler.search] Skip page {page}")
page += 1
continue
try:
utils.logger.info(f"[XiaoHongShuCrawler.search] search xhs keyword: {keyword}, page: {page}")
note_id_list: List[str] = []
notes_res = await self.xhs_client.get_note_by_keyword(
keyword=keyword,
search_id=search_id,
page=page,
sort=SearchSortType(config.SORT_TYPE) if config.SORT_TYPE != '' else SearchSortType.GENERAL,
)
utils.logger.info(f"[XiaoHongShuCrawler.search] Search notes res:{notes_res}")
if not notes_res or not notes_res.get('has_more', False):
utils.logger.info("No more content!")
break
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
task_list = [
self.get_note_detail_async_task(
note_id=post_item.get("id"),
xsec_source=post_item.get("xsec_source"),
xsec_token=post_item.get("xsec_token"),
semaphore=semaphore
)
for post_item in notes_res.get("items", {})
if post_item.get('model_type') not in ('rec_query', 'hot_query')
]
note_details = await asyncio.gather(*task_list)
for note_detail in note_details:
if note_detail:
await xhs_store.update_xhs_note(note_detail)
await self.get_notice_media(note_detail)
note_id_list.append(note_detail.get("note_id"))
page += 1
utils.logger.info(f"[XiaoHongShuCrawler.search] Note details: {note_details}")
await self.batch_get_note_comments(note_id_list)
except DataFetchError:
utils.logger.error("[XiaoHongShuCrawler.search] Get note detail error")
break
async def get_creators_and_notes(self) -> None:
"""Get creator's notes and retrieve their comment information."""
utils.logger.info("[XiaoHongShuCrawler.get_creators_and_notes] Begin get xiaohongshu creators")
for user_id in config.XHS_CREATOR_ID_LIST:
# get creator detail info from web html content
createor_info: Dict = await self.xhs_client.get_creator_info(user_id=user_id)
if createor_info:
await xhs_store.save_creator(user_id, creator=createor_info)
# Get all note information of the creator
all_notes_list = await self.xhs_client.get_all_notes_by_creator(
user_id=user_id,
crawl_interval=random.random(),
callback=self.fetch_creator_notes_detail
)
note_ids = [note_item.get("note_id") for note_item in all_notes_list]
await self.batch_get_note_comments(note_ids)
async def fetch_creator_notes_detail(self, note_list: List[Dict]):
"""
Concurrently obtain the specified post list and save the data
"""
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
task_list = [
self.get_note_detail_async_task(
note_id=post_item.get("note_id"),
xsec_source=post_item.get("xsec_source"),
xsec_token=post_item.get("xsec_token"),
semaphore=semaphore
)
for post_item in note_list
]
note_details = await asyncio.gather(*task_list)
for note_detail in note_details:
if note_detail:
await xhs_store.update_xhs_note(note_detail)
async def get_specified_notes(self):
"""
Get the information and comments of the specified post
must be specified note_id, xsec_source, xsec_token⚠
Returns:
"""
get_note_detail_task_list = []
for full_note_url in config.XHS_SPECIFIED_NOTE_URL_LIST:
note_url_info: NoteUrlInfo = parse_note_info_from_note_url(full_note_url)
utils.logger.info(f"[XiaoHongShuCrawler.get_specified_notes] Parse note url info: {note_url_info}")
crawler_task = self.get_note_detail_async_task(
note_id=note_url_info.note_id,
xsec_source=note_url_info.xsec_source,
xsec_token=note_url_info.xsec_token,
semaphore=asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
)
get_note_detail_task_list.append(crawler_task)
need_get_comment_note_ids = []
note_details = await asyncio.gather(*get_note_detail_task_list)
for note_detail in note_details:
if note_detail:
need_get_comment_note_ids.append(note_detail.get("note_id", ""))
await xhs_store.update_xhs_note(note_detail)
await self.batch_get_note_comments(need_get_comment_note_ids)
async def get_note_detail_async_task(self, note_id: str, xsec_source: str, xsec_token: str, semaphore: asyncio.Semaphore) -> \
Optional[Dict]:
"""Get note detail"""
async with semaphore:
try:
note_detail: Dict = await self.xhs_client.get_note_by_id_from_html(note_id, xsec_source, xsec_token)
# note_detail: Dict = await self.xhs_client.get_note_by_id(note_id, xsec_source, xsec_token)
if not note_detail:
utils.logger.error(
f"[XiaoHongShuCrawler.get_note_detail_async_task] Get note detail error, note_id: {note_id}")
return None
note_detail.update({"xsec_token": xsec_token, "xsec_source": xsec_source})
return note_detail
except DataFetchError as ex:
utils.logger.error(f"[XiaoHongShuCrawler.get_note_detail_async_task] Get note detail error: {ex}")
return None
except KeyError as ex:
utils.logger.error(
f"[XiaoHongShuCrawler.get_note_detail_async_task] have not fund note detail note_id:{note_id}, err: {ex}")
return None
async def batch_get_note_comments(self, note_list: List[str]):
"""Batch get note comments"""
if not config.ENABLE_GET_COMMENTS:
utils.logger.info(f"[XiaoHongShuCrawler.batch_get_note_comments] Crawling comment mode is not enabled")
return
utils.logger.info(
f"[XiaoHongShuCrawler.batch_get_note_comments] 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 with keyword filtering and quantity limitation"""
async with semaphore:
utils.logger.info(f"[XiaoHongShuCrawler.get_comments] Begin get note id comments {note_id}")
await self.xhs_client.get_note_all_comments(
note_id=note_id,
crawl_interval=random.random(),
callback=xhs_store.batch_update_xhs_note_comments,
max_count=CRAWLER_MAX_COMMENTS_COUNT_SINGLENOTES
)
@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_xhs_client(self, httpx_proxy: Optional[str]) -> XiaoHongShuClient:
"""Create xhs client"""
utils.logger.info("[XiaoHongShuCrawler.create_xhs_client] Begin create xiaohongshu API client ...")
cookie_str, cookie_dict = utils.convert_cookies(await self.browser_context.cookies())
xhs_client_obj = XiaoHongShuClient(
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("[XiaoHongShuCrawler.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:
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("[XiaoHongShuCrawler.close] Browser context closed ...")
async def get_notice_media(self, note_detail: Dict):
if not config.ENABLE_GET_IMAGES:
utils.logger.info(f"[XiaoHongShuCrawler.get_notice_media] Crawling image mode is not enabled")
return
await self.get_note_images(note_detail)
await self.get_notice_video(note_detail)
async def get_note_images(self, note_item: Dict):
"""
get note images. please use get_notice_media
:param note_item:
:return:
"""
if not config.ENABLE_GET_IMAGES:
return
note_id = note_item.get("note_id")
image_list: List[Dict] = note_item.get("image_list", [])
for img in image_list:
if img.get('url_default') != '':
img.update({'url': img.get('url_default')})
if not image_list:
return
picNum = 0
for pic in image_list:
url = pic.get("url")
if not url:
continue
content = await self.xhs_client.get_note_media(url)
if content is None:
continue
extension_file_name = f"{picNum}.jpg"
picNum += 1
await xhs_store.update_xhs_note_image(note_id, content, extension_file_name)
async def get_notice_video(self, note_item: Dict):
"""
get note images. please use get_notice_media
:param note_item:
:return:
"""
if not config.ENABLE_GET_IMAGES:
return
note_id = note_item.get("note_id")
videos = xhs_store.get_video_url_arr(note_item)
if not videos:
return
videoNum = 0
for url in videos:
content = await self.xhs_client.get_note_media(url)
if content is None:
continue
extension_file_name = f"{videoNum}.mp4"
videoNum += 1
await xhs_store.update_xhs_note_image(note_id, content, extension_file_name)