255 lines
10 KiB
Python
255 lines
10 KiB
Python
# -*- coding: utf-8 -*-
|
|
# @Author : relakkes@gmail.com
|
|
# @Time : 2023/12/2 18:44
|
|
# @Desc : B站爬虫
|
|
|
|
import asyncio
|
|
import os
|
|
import random
|
|
import time
|
|
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 bilibili
|
|
from proxy.proxy_ip_pool import IpInfoModel, create_ip_pool
|
|
from tools import utils
|
|
from var import comment_tasks_var, crawler_type_var
|
|
|
|
from .client import BilibiliClient
|
|
from .exception import DataFetchError
|
|
from .field import SearchOrderType
|
|
from .login import BilibiliLogin
|
|
|
|
|
|
class BilibiliCrawler(AbstractCrawler):
|
|
platform: str
|
|
login_type: str
|
|
crawler_type: str
|
|
context_page: Page
|
|
bili_client: BilibiliClient
|
|
browser_context: BrowserContext
|
|
|
|
def __init__(self):
|
|
self.index_url = "https://www.bilibili.com"
|
|
self.user_agent = utils.get_user_agent()
|
|
|
|
def init_config(self, platform: str, login_type: str, crawler_type: str):
|
|
self.platform = platform
|
|
self.login_type = login_type
|
|
self.crawler_type = crawler_type
|
|
|
|
async def start(self):
|
|
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")
|
|
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.bili_client = await self.create_bilibili_client(httpx_proxy_format)
|
|
if not await self.bili_client.pong():
|
|
login_obj = BilibiliLogin(
|
|
login_type=self.login_type,
|
|
login_phone="", # your phone number
|
|
browser_context=self.browser_context,
|
|
context_page=self.context_page,
|
|
cookie_str=config.COOKIES
|
|
)
|
|
await login_obj.begin()
|
|
await self.bili_client.update_cookies(browser_context=self.browser_context)
|
|
|
|
crawler_type_var.set(self.crawler_type)
|
|
if self.crawler_type == "search":
|
|
# Search for video 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_videos()
|
|
else:
|
|
pass
|
|
utils.logger.info("Bilibili Crawler finished ...")
|
|
pass
|
|
|
|
async def search(self):
|
|
"""
|
|
search bilibili video with keywords
|
|
:return:
|
|
"""
|
|
utils.logger.info("Begin search bilibli keywords")
|
|
bili_limit_count = 20 # bilibili limit page fixed value
|
|
for keyword in config.KEYWORDS.split(","):
|
|
utils.logger.info(f"Current search keyword: {keyword}")
|
|
page = 1
|
|
while page * bili_limit_count <= config.CRAWLER_MAX_NOTES_COUNT:
|
|
video_id_list: List[str] = []
|
|
videos_res = await self.bili_client.search_video_by_keyword(
|
|
keyword=keyword,
|
|
page=page,
|
|
page_size=bili_limit_count,
|
|
order=SearchOrderType.DEFAULT,
|
|
)
|
|
video_list: List[Dict] = videos_res.get("result")
|
|
|
|
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
|
|
task_list = [
|
|
self.get_video_info_task(video_item.get("aid"), semaphore)
|
|
for video_item in video_list
|
|
]
|
|
video_items = await asyncio.gather(*task_list)
|
|
for video_item in video_items:
|
|
if video_item:
|
|
video_id_list.append(video_item.get("View").get("aid"))
|
|
await bilibili.update_bilibili_video(video_item)
|
|
|
|
page += 1
|
|
await self.batch_get_video_comments(video_id_list)
|
|
|
|
async def batch_get_video_comments(self, video_id_list: List[str]):
|
|
"""
|
|
batch get video comments
|
|
:param video_id_list:
|
|
:return:
|
|
"""
|
|
utils.logger.info(f"[batch_get_video_comments] video ids:{video_id_list}")
|
|
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
|
|
task_list: List[Task] = []
|
|
for video_id in video_id_list:
|
|
task = asyncio.create_task(self.get_comments(video_id, semaphore), name=video_id)
|
|
task_list.append(task)
|
|
await asyncio.gather(*task_list)
|
|
|
|
async def get_comments(self, video_id: str, semaphore: asyncio.Semaphore):
|
|
"""
|
|
get comment for video id
|
|
:param video_id:
|
|
:param semaphore:
|
|
:return:
|
|
"""
|
|
async with semaphore:
|
|
try:
|
|
utils.logger.info(f"[get_comments] bengin get video_id: {video_id} comments ...")
|
|
await self.bili_client.get_video_all_comments(
|
|
video_id=video_id,
|
|
crawl_interval=random.random(),
|
|
callback=bilibili.batch_update_bilibili_video_comments
|
|
)
|
|
except DataFetchError as ex:
|
|
utils.logger.error(f"[get_comments] get video_id: {video_id} comment error: {ex}")
|
|
except Exception as e:
|
|
utils.logger.error(f"[get_comments] may be been blocked, err:", e)
|
|
|
|
|
|
async def get_specified_videos(self):
|
|
"""
|
|
get specified videos info
|
|
:return:
|
|
"""
|
|
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
|
|
task_list = [
|
|
self.get_video_info_task(video_id=video_id, semaphore=semaphore) for video_id in config.BILI_SPECIFIED_ID_LIST
|
|
]
|
|
video_details = await asyncio.gather(*task_list)
|
|
for video_detail in video_details:
|
|
if video_detail is not None:
|
|
await bilibili.update_bilibili_video(video_detail)
|
|
await self.batch_get_video_comments(config.BILI_SPECIFIED_ID_LIST)
|
|
|
|
async def get_video_info_task(self, video_id: str, semaphore: asyncio.Semaphore) -> Optional[Dict]:
|
|
"""
|
|
Get video detail task
|
|
:param video_id:
|
|
:param semaphore:
|
|
:return:
|
|
"""
|
|
async with semaphore:
|
|
try:
|
|
result = await self.bili_client.get_video_info(video_id)
|
|
return result
|
|
except DataFetchError as ex:
|
|
utils.logger.error(f"Get video detail error: {ex}")
|
|
return None
|
|
except KeyError as ex:
|
|
utils.logger.error(f"have not fund note detail video_id:{video_id}, err: {ex}")
|
|
return None
|
|
|
|
async def create_bilibili_client(self, httpx_proxy: Optional[str]) -> BilibiliClient:
|
|
"""Create xhs client"""
|
|
utils.logger.info("Begin create xiaohongshu API client ...")
|
|
cookie_str, cookie_dict = utils.convert_cookies(await self.browser_context.cookies())
|
|
bilibili_client_obj = BilibiliClient(
|
|
proxies=httpx_proxy,
|
|
headers={
|
|
"User-Agent": self.user_agent,
|
|
"Cookie": cookie_str,
|
|
"Origin": "https://www.bilibili.com",
|
|
"Referer": "https://www.bilibili.com",
|
|
"Content-Type": "application/json;charset=UTF-8"
|
|
},
|
|
playwright_page=self.context_page,
|
|
cookie_dict=cookie_dict,
|
|
)
|
|
return bilibili_client_obj
|
|
|
|
@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 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
|