217 lines
9.7 KiB
Python
217 lines
9.7 KiB
Python
import asyncio
|
|
import os
|
|
from asyncio import Task
|
|
from typing import Any, 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 douyin
|
|
from proxy.proxy_ip_pool import create_ip_pool, IpInfoModel
|
|
from tools import utils
|
|
from var import crawler_type_var
|
|
|
|
from .client import DOUYINClient
|
|
from .exception import DataFetchError
|
|
from .login import DouYinLogin
|
|
|
|
|
|
class DouYinCrawler(AbstractCrawler):
|
|
platform: str
|
|
login_type: str
|
|
crawler_type: str
|
|
context_page: Page
|
|
dy_client: DOUYINClient
|
|
browser_context: BrowserContext
|
|
|
|
def __init__(self) -> None:
|
|
self.user_agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36" # fixed
|
|
self.index_url = "https://www.douyin.com"
|
|
|
|
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")
|
|
self.context_page = await self.browser_context.new_page()
|
|
await self.context_page.goto(self.index_url)
|
|
|
|
self.dy_client = await self.create_douyin_client(httpx_proxy_format)
|
|
if not await self.dy_client.pong(browser_context=self.browser_context):
|
|
login_obj = DouYinLogin(
|
|
login_type=self.login_type,
|
|
login_phone="", # you phone number
|
|
browser_context=self.browser_context,
|
|
context_page=self.context_page,
|
|
cookie_str=config.COOKIES
|
|
)
|
|
await login_obj.begin()
|
|
await self.dy_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_awemes()
|
|
|
|
utils.logger.info("Douyin Crawler finished ...")
|
|
|
|
async def search(self) -> None:
|
|
utils.logger.info("Begin search douyin keywords")
|
|
for keyword in config.KEYWORDS.split(","):
|
|
utils.logger.info(f"Current keyword: {keyword}")
|
|
aweme_list: List[str] = []
|
|
dy_limit_count = 10
|
|
page = 0
|
|
while (page + 1) * dy_limit_count <= config.CRAWLER_MAX_NOTES_COUNT:
|
|
try:
|
|
posts_res = await self.dy_client.search_info_by_keyword(keyword=keyword,
|
|
offset=page * dy_limit_count)
|
|
except DataFetchError:
|
|
utils.logger.error(f"search douyin keyword: {keyword} failed")
|
|
break
|
|
page += 1
|
|
for post_item in posts_res.get("data"):
|
|
try:
|
|
aweme_info: Dict = post_item.get("aweme_info") or \
|
|
post_item.get("aweme_mix_info", {}).get("mix_items")[0]
|
|
except TypeError:
|
|
continue
|
|
aweme_list.append(aweme_info.get("aweme_id", ""))
|
|
await douyin.update_douyin_aweme(aweme_item=aweme_info)
|
|
utils.logger.info(f"keyword:{keyword}, aweme_list:{aweme_list}")
|
|
await self.batch_get_note_comments(aweme_list)
|
|
|
|
async def get_specified_awemes(self):
|
|
"""Get the information and comments of the specified post"""
|
|
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
|
|
task_list = [
|
|
self.get_aweme_detail(aweme_id=aweme_id, semaphore=semaphore) for aweme_id in config.DY_SPECIFIED_ID_LIST
|
|
]
|
|
aweme_details = await asyncio.gather(*task_list)
|
|
for aweme_detail in aweme_details:
|
|
if aweme_detail is not None:
|
|
await douyin.update_douyin_aweme(aweme_detail)
|
|
await self.batch_get_note_comments(config.DY_SPECIFIED_ID_LIST)
|
|
|
|
async def get_aweme_detail(self, aweme_id: str, semaphore: asyncio.Semaphore) -> Any:
|
|
"""Get note detail"""
|
|
async with semaphore:
|
|
try:
|
|
return await self.dy_client.get_video_by_id(aweme_id)
|
|
except DataFetchError as ex:
|
|
utils.logger.error(f"Get aweme detail error: {ex}")
|
|
return None
|
|
except KeyError as ex:
|
|
utils.logger.error(f"have not fund note detail aweme_id:{aweme_id}, err: {ex}")
|
|
return None
|
|
|
|
async def batch_get_note_comments(self, aweme_list: List[str]) -> None:
|
|
task_list: List[Task] = []
|
|
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
|
|
for aweme_id in aweme_list:
|
|
task = asyncio.create_task(
|
|
self.get_comments(aweme_id, semaphore, max_comments=config.DY_MAX_COMMENTS_PER_POST), name=aweme_id)
|
|
task_list.append(task)
|
|
await asyncio.wait(task_list)
|
|
|
|
async def get_comments(self, aweme_id: str, semaphore: asyncio.Semaphore, max_comments: int = None) -> None:
|
|
async with semaphore:
|
|
try:
|
|
# 将关键词列表传递给 get_aweme_all_comments 方法
|
|
comments = await self.dy_client.get_aweme_all_comments(
|
|
aweme_id=aweme_id,
|
|
max_comments=max_comments, # 最大数量
|
|
keywords=config.DY_COMMENT_KEYWORDS # 关键词列表
|
|
)
|
|
# 现在返回的 comments 已经是经过关键词筛选的
|
|
await douyin.batch_update_dy_aweme_comments(aweme_id, comments)
|
|
utils.logger.info(f"aweme_id: {aweme_id} comments have all been obtained and filtered ...")
|
|
except DataFetchError as e:
|
|
utils.logger.error(f"aweme_id: {aweme_id} get comments failed, error: {e}")
|
|
|
|
@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_douyin_client(self, httpx_proxy: Optional[str]) -> DOUYINClient:
|
|
"""Create douyin client"""
|
|
cookie_str, cookie_dict = utils.convert_cookies(await self.browser_context.cookies()) # type: ignore
|
|
douyin_client = DOUYINClient(
|
|
proxies=httpx_proxy,
|
|
headers={
|
|
"User-Agent": self.user_agent,
|
|
"Cookie": cookie_str,
|
|
"Host": "www.douyin.com",
|
|
"Origin": "https://www.douyin.com/",
|
|
"Referer": "https://www.douyin.com/",
|
|
"Content-Type": "application/json;charset=UTF-8"
|
|
},
|
|
playwright_page=self.context_page,
|
|
cookie_dict=cookie_dict,
|
|
)
|
|
return douyin_client
|
|
|
|
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"""
|
|
if config.SAVE_LOGIN_STATE:
|
|
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
|
|
) # type: ignore
|
|
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) -> None:
|
|
"""Close browser context"""
|
|
await self.browser_context.close()
|
|
utils.logger.info("Browser context closed ...")
|