Media_RPA/media_platform/xhs/core.py

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2024-07-15 08:33:05 +00:00
import asyncio
import os
import random
from asyncio import Task
import time
from typing import Dict, List, Optional, Tuple
from playwright.async_api import (BrowserContext, BrowserType, Page,
async_playwright)
import config
from base.base_crawler import AbstractCrawler
from proxy.proxy_ip_pool import IpInfoModel, create_ip_pool
from store import xhs as xhs_store
from tools import utils
from var import crawler_type_var
from .client import XiaoHongShuClient
from .exception import DataFetchError
from .field import SearchSortType
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()
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()
elif config.CRAWLER_TYPE == "explore":
await self.get_explore()
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(","):
utils.logger.info(f"[XiaoHongShuCrawler.search] Current search keyword: {keyword}")
page = 1
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,
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}")
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
task_list = [
self.get_note_detail(post_item.get("id"), 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 is not None:
await xhs_store.update_xhs_note(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_explore(self) -> None:
explore_id = await self.xhs_client.get_explore_id()
print("[+]GET explore content:")
for id in explore_id:
note_info = await self.xhs_client.get_note_by_id(id)
ip_location = note_info['ip_location']
last_update_time = str(note_info['last_update_time'])
user_name = note_info['user']['nickname']
user_id = note_info['user']['user_id']
content = note_info['desc']
timeArray = time.localtime(int(last_update_time[:-3]))
otherStyleTime = time.strftime("%Y-%m-%d %H:%M:%S", timeArray)
if(len(content) <= 40):
show = content.replace("\n","\\n")
else:
show = content[:40].replace("\n","\\n") + "..."
print(f"[*]IP:{ip_location},Update Time:{otherStyleTime},User Name:{user_name},Content:{show}")
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]
# print("note_ids:",note_ids)
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(post_item.get("note_id"), semaphore) for post_item in note_list
]
note_details = await asyncio.gather(*task_list)
for note_detail in note_details:
if note_detail is not None:
await xhs_store.update_xhs_note(note_detail)
async def get_specified_notes(self):
"""Get the information and comments of the specified post"""
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
task_list = [
self.get_note_detail(note_id=note_id, semaphore=semaphore) for note_id in config.XHS_SPECIFIED_ID_LIST
]
note_details = await asyncio.gather(*task_list)
for note_detail in note_details:
if note_detail is not None:
await xhs_store.update_xhs_note(note_detail)
await self.batch_get_note_comments(config.XHS_SPECIFIED_ID_LIST)
async def get_note_detail(self, note_id: str, semaphore: asyncio.Semaphore) -> Optional[Dict]:
"""Get note detail"""
async with semaphore:
try:
return await self.xhs_client.get_note_by_id(note_id)
except DataFetchError as ex:
utils.logger.error(f"[XiaoHongShuCrawler.get_note_detail] Get note detail error: {ex}")
return None
except KeyError as ex:
utils.logger.error(
f"[XiaoHongShuCrawler.get_note_detail] 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
)
@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 ...")()