228 lines
9.8 KiB
Python
228 lines
9.8 KiB
Python
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)
|
|
|
|
import config
|
|
from base.base_crawler import AbstractCrawler
|
|
from models import xiaohongshu as xhs_model
|
|
from proxy.proxy_ip_pool import create_ip_pool, IpInfoModel
|
|
from tools import utils
|
|
from var import crawler_type_var
|
|
|
|
from .client import XHSClient
|
|
from .exception import DataFetchError
|
|
from .login import XHSLogin
|
|
|
|
|
|
class XiaoHongShuCrawler(AbstractCrawler):
|
|
platform: str
|
|
login_type: str
|
|
crawler_type: str
|
|
context_page: Page
|
|
xhs_client: XHSClient
|
|
browser_context: BrowserContext
|
|
|
|
def __init__(self) -> None:
|
|
self.index_url = "https://www.xiaohongshu.com"
|
|
self.user_agent = utils.get_user_agent()
|
|
|
|
def init_config(self, platform: str, login_type: str, crawler_type: str) -> None:
|
|
self.platform = platform
|
|
self.login_type = login_type
|
|
self.crawler_type = crawler_type
|
|
|
|
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 = XHSLogin(
|
|
login_type=self.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(self.crawler_type)
|
|
if self.crawler_type == "search":
|
|
# Search for notes and retrieve their comment information.
|
|
await self.search()
|
|
elif self.crawler_type == "detail":
|
|
# Get the information and comments of the specified post
|
|
await self.get_specified_notes()
|
|
else:
|
|
pass
|
|
|
|
utils.logger.info("Xhs Crawler finished ...")
|
|
|
|
async def search(self) -> None:
|
|
"""Search for notes and retrieve their comment information."""
|
|
utils.logger.info("Begin search xiaohongshu keywords")
|
|
xhs_limit_count = 20 # xhs limit page fixed value
|
|
for keyword in config.KEYWORDS.split(","):
|
|
utils.logger.info(f"Current search keyword: {keyword}")
|
|
page = 1
|
|
while page * xhs_limit_count <= config.CRAWLER_MAX_NOTES_COUNT:
|
|
note_id_list: List[str] = []
|
|
notes_res = await self.xhs_client.get_note_by_keyword(
|
|
keyword=keyword,
|
|
page=page,
|
|
)
|
|
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_model.update_xhs_note(note_detail)
|
|
note_id_list.append(note_detail.get("note_id"))
|
|
page += 1
|
|
utils.logger.info(f"Note details: {note_details}")
|
|
await self.batch_get_note_comments(note_id_list)
|
|
|
|
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_model.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"Get note detail error: {ex}")
|
|
return None
|
|
except KeyError as ex:
|
|
utils.logger.error(f"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"""
|
|
utils.logger.info(f"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"""
|
|
async with semaphore:
|
|
utils.logger.info(f"Begin get note id comments {note_id}")
|
|
all_comments = await self.xhs_client.get_note_all_comments(note_id=note_id, crawl_interval=random.random())
|
|
for comment in all_comments:
|
|
await xhs_model.update_xhs_note_comment(note_id=note_id, comment_item=comment)
|
|
|
|
@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}{ip_proxy_info.ip}":f"{ip_proxy_info.protocol}{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]) -> XHSClient:
|
|
"""Create xhs client"""
|
|
utils.logger.info("Begin create xiaohongshu API client ...")
|
|
cookie_str, cookie_dict = utils.convert_cookies(await self.browser_context.cookies())
|
|
xhs_client_obj = XHSClient(
|
|
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("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 % self.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("Browser context closed ...")
|