228 lines
8.9 KiB
Python
228 lines
8.9 KiB
Python
import asyncio
|
||
import copy
|
||
import urllib.parse
|
||
from typing import Any, Callable, Dict, List, Optional
|
||
|
||
import execjs
|
||
import httpx
|
||
from playwright.async_api import BrowserContext, Page
|
||
|
||
from tools import utils
|
||
from var import request_keyword_var
|
||
|
||
from .exception import *
|
||
from .field import *
|
||
|
||
|
||
class DOUYINClient:
|
||
def __init__(
|
||
self,
|
||
timeout=30,
|
||
proxies=None,
|
||
*,
|
||
headers: Dict,
|
||
playwright_page: Optional[Page],
|
||
cookie_dict: Dict
|
||
):
|
||
self.proxies = proxies
|
||
self.timeout = timeout
|
||
self.headers = headers
|
||
self._host = "https://www.douyin.com"
|
||
self.playwright_page = playwright_page
|
||
self.cookie_dict = cookie_dict
|
||
|
||
async def __process_req_params(self, params: Optional[Dict] = None, headers: Optional[Dict] = None):
|
||
if not params:
|
||
return
|
||
headers = headers or self.headers
|
||
local_storage: Dict = await self.playwright_page.evaluate("() => window.localStorage") # type: ignore
|
||
douyin_js_obj = execjs.compile(open('libs/douyin.js').read())
|
||
common_params = {
|
||
"device_platform": "webapp",
|
||
"aid": "6383",
|
||
"channel": "channel_pc_web",
|
||
"cookie_enabled": "true",
|
||
"browser_language": "zh-CN",
|
||
"browser_platform": "Win32",
|
||
"browser_name": "Firefox",
|
||
"browser_version": "110.0",
|
||
"browser_online": "true",
|
||
"engine_name": "Gecko",
|
||
"os_name": "Windows",
|
||
"os_version": "10",
|
||
"engine_version": "109.0",
|
||
"platform": "PC",
|
||
"screen_width": "1920",
|
||
"screen_height": "1200",
|
||
# " webid": douyin_js_obj.call("get_web_id"),
|
||
# "msToken": local_storage.get("xmst"),
|
||
# "msToken": "abL8SeUTPa9-EToD8qfC7toScSADxpg6yLh2dbNcpWHzE0bT04txM_4UwquIcRvkRb9IU8sifwgM1Kwf1Lsld81o9Irt2_yNyUbbQPSUO8EfVlZJ_78FckDFnwVBVUVK",
|
||
}
|
||
params.update(common_params)
|
||
query = '&'.join([f'{k}={v}' for k, v in params.items()])
|
||
x_bogus = douyin_js_obj.call('sign', query, headers["User-Agent"])
|
||
params["X-Bogus"] = x_bogus
|
||
# print(x_bogus, query)
|
||
|
||
async def request(self, method, url, **kwargs):
|
||
async with httpx.AsyncClient(proxies=self.proxies) as client:
|
||
response = await client.request(
|
||
method, url, timeout=self.timeout,
|
||
**kwargs
|
||
)
|
||
try:
|
||
return response.json()
|
||
except Exception as e:
|
||
raise DataFetchError(f"{e}, {response.text}")
|
||
|
||
async def get(self, uri: str, params: Optional[Dict] = None, headers: Optional[Dict] = None):
|
||
await self.__process_req_params(params, headers)
|
||
headers = headers or self.headers
|
||
return await self.request(method="GET", url=f"{self._host}{uri}", params=params, headers=headers)
|
||
|
||
async def post(self, uri: str, data: dict, headers: Optional[Dict] = None):
|
||
await self.__process_req_params(data, headers)
|
||
headers = headers or self.headers
|
||
return await self.request(method="POST", url=f"{self._host}{uri}", data=data, headers=headers)
|
||
|
||
@staticmethod
|
||
async def pong(browser_context: BrowserContext) -> bool:
|
||
_, cookie_dict = utils.convert_cookies(await browser_context.cookies())
|
||
# todo send some api to test login status
|
||
return cookie_dict.get("LOGIN_STATUS") == "1"
|
||
|
||
async def update_cookies(self, browser_context: BrowserContext):
|
||
cookie_str, cookie_dict = utils.convert_cookies(await browser_context.cookies())
|
||
self.headers["Cookie"] = cookie_str
|
||
self.cookie_dict = cookie_dict
|
||
|
||
async def search_info_by_keyword(
|
||
self,
|
||
keyword: str,
|
||
offset: int = 0,
|
||
search_channel: SearchChannelType = SearchChannelType.GENERAL,
|
||
sort_type: SearchSortType = SearchSortType.GENERAL,
|
||
publish_time: PublishTimeType = PublishTimeType.UNLIMITED
|
||
):
|
||
"""
|
||
DouYin Web Search API
|
||
:param keyword:
|
||
:param offset:
|
||
:param search_channel:
|
||
:param sort_type:
|
||
:param publish_time: ·
|
||
:return:
|
||
"""
|
||
params = {
|
||
"keyword": keyword,
|
||
"search_channel": search_channel.value,
|
||
"sort_type": sort_type.value,
|
||
"publish_time": publish_time.value,
|
||
"search_source": "normal_search",
|
||
"query_correct_type": "1",
|
||
"is_filter_search": "0",
|
||
"offset": offset,
|
||
"count": 10 # must be set to 10
|
||
}
|
||
referer_url = "https://www.douyin.com/search/" + keyword
|
||
headers = copy.copy(self.headers)
|
||
headers["Referer"] = urllib.parse.quote(referer_url, safe=':/')
|
||
return await self.get("/aweme/v1/web/general/search/single/", params, headers=headers)
|
||
|
||
async def get_video_by_id(self, aweme_id: str) -> Any:
|
||
"""
|
||
DouYin Video Detail API
|
||
:param aweme_id:
|
||
:return:
|
||
"""
|
||
params = {
|
||
"aweme_id": aweme_id
|
||
}
|
||
headers = copy.copy(self.headers)
|
||
# headers["Cookie"] = "s_v_web_id=verify_lol4a8dv_wpQ1QMyP_xemd_4wON_8Yzr_FJa8DN1vdY2m;"
|
||
del headers["Origin"]
|
||
res = await self.get("/aweme/v1/web/aweme/detail/", params, headers)
|
||
return res.get("aweme_detail", {})
|
||
|
||
async def get_aweme_comments(self, aweme_id: str, cursor: int = 0):
|
||
"""get note comments
|
||
|
||
"""
|
||
uri = "/aweme/v1/web/comment/list/"
|
||
params = {
|
||
"aweme_id": aweme_id,
|
||
"cursor": cursor,
|
||
"count": 20,
|
||
"item_type": 0
|
||
}
|
||
keywords = request_keyword_var.get()
|
||
referer_url = "https://www.douyin.com/search/" + keywords + '?aid=3a3cec5a-9e27-4040-b6aa-ef548c2c1138&publish_time=0&sort_type=0&source=search_history&type=general'
|
||
headers = copy.copy(self.headers)
|
||
headers["Referer"] = urllib.parse.quote(referer_url, safe=':/')
|
||
return await self.get(uri, params)
|
||
|
||
async def get_aweme_all_comments(
|
||
self,
|
||
aweme_id: str,
|
||
crawl_interval: float = 1.0,
|
||
is_fetch_sub_comments=False,
|
||
callback: Optional[Callable] = None,
|
||
max_comments: int = None, # 新增参数来限制评论数
|
||
keywords: List[str] = None # 新增参数，用于关键字筛选
|
||
):
|
||
"""
|
||
获取帖子的所有评论，包括子评论
|
||
:param aweme_id: 帖子ID
|
||
:param crawl_interval: 抓取间隔
|
||
:param is_fetch_sub_comments: 是否抓取子评论
|
||
:param callback: 回调函数，用于处理抓取到的评论
|
||
:param max_comments: 最大评论数限制，如果为0，则不限制评论数
|
||
:param keywords: 需要过滤的关键字列表
|
||
:return: 评论列表
|
||
"""
|
||
result = []
|
||
comments_has_more = 1
|
||
comments_cursor = 0
|
||
collected_comments_count = 0 # 已收集的评论数
|
||
|
||
while comments_has_more and (
|
||
max_comments is None or collected_comments_count < max_comments or max_comments == 0):
|
||
comments_res = await self.get_aweme_comments(aweme_id, comments_cursor)
|
||
comments_has_more = comments_res.get("has_more", 0)
|
||
comments_cursor = comments_res.get("cursor", 0)
|
||
comments = comments_res.get("comments", [])
|
||
if not comments:
|
||
continue
|
||
|
||
# 在添加评论到结果列表之前进行关键字筛选
|
||
if keywords:
|
||
filtered_comments = []
|
||
for comment in comments:
|
||
if any(keyword in comment.get("text", "") for keyword in keywords):
|
||
filtered_comments.append(comment)
|
||
else:
|
||
filtered_comments = comments
|
||
|
||
# 如果设置了最大评论数限制，并且不为0，只添加未超过该限制的评论
|
||
if max_comments is not None and max_comments > 0:
|
||
remaining_quota = max_comments - collected_comments_count
|
||
comments_to_add = filtered_comments[:remaining_quota]
|
||
result.extend(comments_to_add)
|
||
collected_comments_count += len(comments_to_add)
|
||
else:
|
||
result.extend(filtered_comments)
|
||
collected_comments_count += len(filtered_comments)
|
||
|
||
if callback: # 如果有回调函数，就执行回调函数
|
||
await callback(aweme_id, comments)
|
||
|
||
# 如果已经达到最大评论数（且最大评论数不为0），或者不需要子评论，结束循环
|
||
if max_comments is not None and 0 < max_comments <= collected_comments_count:
|
||
break
|
||
|
||
await asyncio.sleep(crawl_interval)
|
||
if not is_fetch_sub_comments:
|
||
continue
|
||
# todo fetch sub comments
|
||
return result
|