feat: 微博支持评论 & 指定帖子

This commit is contained in:
Relakkes 2023-12-25 00:02:11 +08:00
parent b1441ab4ae
commit eee81622ac
12 changed files with 228 additions and 29 deletions

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@ -24,8 +24,8 @@
| 小红书 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✕ |
| 抖音 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| 快手 | ✅ | ✅ | ✕ | ✅ | ✅ | ✅ | ✅ | ✅ | ✕ |
| B 站 | ✅ | ✅ | ✕ | ✅ | ✅ | ✅ | ✅ | ✅ | ✕ |
| 微博 | ✅ | ✕ | ✕ | ✅ | | ✅ | ✅ | ✅ | ✕ |
| B 站 | ✅ | ✅ | ✕ | ✅ | ✅ | ✅ | ✅ | ✅ | ✕ |
| 微博 | ✅ | ✕ | ✕ | ✅ | | ✅ | ✅ | ✅ | ✕ |
## 使用方法

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@ -1,4 +1,7 @@
from abc import ABC, abstractmethod
from typing import Dict, Optional
from playwright.async_api import BrowserContext, BrowserType
class AbstractCrawler(ABC):
@ -14,6 +17,11 @@ class AbstractCrawler(ABC):
async def search(self):
pass
@abstractmethod
async def launch_browser(self, chromium: BrowserType, playwright_proxy: Optional[Dict], user_agent: Optional[str],
headless: bool = True) -> BrowserContext:
pass
class AbstractLogin(ABC):
@abstractmethod

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@ -27,10 +27,10 @@ USER_DATA_DIR = "%s_user_data_dir" # %s will be replaced by platform name
CRAWLER_MAX_NOTES_COUNT = 20
# 并发爬虫数量控制
MAX_CONCURRENCY_NUM = 10
MAX_CONCURRENCY_NUM = 4
# 每个视频/帖子抓取评论最大条数 (为0则不限制)
MAX_COMMENTS_PER_POST = 10
MAX_COMMENTS_PER_POST = 0
# 评论关键词筛选(只会留下包含关键词的评论,为空不限制)
COMMENT_KEYWORDS = [
@ -63,3 +63,9 @@ BILI_SPECIFIED_ID_LIST = [
"BV14Q4y1n7jz",
# ........................
]
# 指定微博平台需要爬取的帖子列表
WEIBO_SPECIFIED_ID_LIST = [
"4982041758140155",
# ........................
]

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@ -8,8 +8,8 @@ from base.base_crawler import AbstractCrawler
from media_platform.bilibili import BilibiliCrawler
from media_platform.douyin import DouYinCrawler
from media_platform.kuaishou import KuaishouCrawler
from media_platform.xhs import XiaoHongShuCrawler
from media_platform.weibo import WeiboCrawler
from media_platform.xhs import XiaoHongShuCrawler
class CrawlerFactory:

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@ -2,6 +2,6 @@
# @Author : relakkes@gmail.com
# @Time : 2023/12/23 15:40
# @Desc :
from .client import WeiboClient
from .core import WeiboCrawler
from .login import WeiboLogin
from .client import WeiboClient

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@ -4,7 +4,9 @@
# @Desc : 微博爬虫 API 请求 client
import asyncio
import copy
import json
import re
from typing import Any, Callable, Dict, List, Optional, Tuple, Union
from urllib.parse import urlencode
@ -47,12 +49,15 @@ class WeiboClient:
else:
return data.get("data", {})
async def get(self, uri: str, params=None) -> Dict:
async def get(self, uri: str, params=None, headers=None) -> Dict:
final_uri = uri
if isinstance(params, dict):
final_uri = (f"{uri}?"
f"{urlencode(params)}")
return await self.request(method="GET", url=f"{self._host}{final_uri}", headers=self.headers)
if headers is None:
headers = self.headers
return await self.request(method="GET", url=f"{self._host}{final_uri}", headers=headers)
async def post(self, uri: str, data: dict) -> Dict:
json_str = json.dumps(data, separators=(',', ':'), ensure_ascii=False)
@ -96,3 +101,78 @@ class WeiboClient:
"page": page,
}
return await self.get(uri, params)
async def get_note_comments(self, mid_id: str, max_id: int) -> Dict:
"""get notes comments
:param mid_id: 微博ID
:param max_id: 分页参数ID
:return:
"""
uri = "/comments/hotflow"
params = {
"id": mid_id,
"mid": mid_id,
"max_id_type": 0,
}
if max_id > 0:
params.update({"max_id": max_id})
referer_url = f"https://m.weibo.cn/detail/{mid_id}"
headers = copy.copy(self.headers)
headers["Referer"] = referer_url
return await self.get(uri, params, headers=headers)
async def get_note_all_comments(self, note_id: str, crawl_interval: float = 1.0, is_fetch_sub_comments=False,
callback: Optional[Callable] = None, ):
"""
get note all comments include sub comments
:param note_id:
:param crawl_interval:
:param is_fetch_sub_comments:
:param callback:
:return:
"""
result = []
is_end = False
max_id = -1
while not is_end:
comments_res = await self.get_note_comments(note_id, max_id)
max_id: int = comments_res.get("max_id")
comment_list: List[Dict] = comments_res.get("data", [])
is_end = max_id == 0
if callback: # 如果有回调函数,就执行回调函数
await callback(note_id, comment_list)
await asyncio.sleep(crawl_interval)
if not is_fetch_sub_comments:
result.extend(comment_list)
continue
# todo handle get sub comments
return result
async def get_note_info_by_id(self, note_id: str) -> Dict:
"""
根据帖子ID获取详情
:param note_id:
:return:
"""
url = f"{self._host}/detail/{note_id}"
async with httpx.AsyncClient(proxies=self.proxies) as client:
response = await client.request(
"GET", url, timeout=self.timeout, headers=self.headers
)
if response.status_code != 200:
raise DataFetchError(f"get weibo detail err: {response.text}")
match = re.search(r'var \$render_data = (\[.*?\])\[0\]', response.text, re.DOTALL)
if match:
render_data_json = match.group(1)
render_data_dict = json.loads(render_data_json)
note_detail = render_data_dict[0].get("status")
note_item = {
"mblog": note_detail
}
return note_item
else:
utils.logger.info(f"[WeiboClient.get_note_info_by_id] 未找到$render_data的值")
return dict()

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@ -23,9 +23,9 @@ from var import comment_tasks_var, crawler_type_var
from .client import WeiboClient
from .exception import DataFetchError
from .login import WeiboLogin
from .field import SearchType
from .help import filter_search_result_card
from .login import WeiboLogin
class WeiboCrawler(AbstractCrawler):
@ -38,7 +38,7 @@ class WeiboCrawler(AbstractCrawler):
def __init__(self):
self.index_url = "https://m.weibo.cn"
self.user_agent = utils.get_user_agent()
self.user_agent = utils.get_mobile_user_agent()
def init_config(self, platform: str, login_type: str, crawler_type: str):
self.platform = platform
@ -85,7 +85,7 @@ class WeiboCrawler(AbstractCrawler):
await self.search()
elif self.crawler_type == "detail":
# Get the information and comments of the specified post
pass
await self.get_specified_notes()
else:
pass
utils.logger.info("[WeiboCrawler.start] Bilibili Crawler finished ...")
@ -109,12 +109,104 @@ class WeiboCrawler(AbstractCrawler):
note_id_list: List[str] = []
note_list = filter_search_result_card(search_res.get("cards"))
for note_item in note_list:
if note_item :
if note_item:
mblog: Dict = note_item.get("mblog")
note_id_list.append(mblog.get("id"))
await weibo.update_weibo_note(note_item)
page += 1
await self.batch_get_notes_comments(note_id_list)
async def get_specified_notes(self):
"""
get specified notes info
:return:
"""
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
task_list = [
self.get_note_info_task(note_id=note_id, semaphore=semaphore) for note_id in
config.WEIBO_SPECIFIED_ID_LIST
]
video_details = await asyncio.gather(*task_list)
for note_item in video_details:
if note_item:
await weibo.update_weibo_note(note_item)
await self.batch_get_notes_comments(config.WEIBO_SPECIFIED_ID_LIST)
async def get_note_info_task(self, note_id: str, semaphore: asyncio.Semaphore) -> Optional[Dict]:
"""
Get note detail task
:param note_id:
:param semaphore:
:return:
"""
async with semaphore:
try:
result = await self.wb_client.get_note_info_by_id(note_id)
return result
except DataFetchError as ex:
utils.logger.error(f"[WeiboCrawler.get_note_info_task] Get note detail error: {ex}")
return None
except KeyError as ex:
utils.logger.error(
f"[WeiboCrawler.get_note_info_task] have not fund note detail note_id:{note_id}, err: {ex}")
return None
async def batch_get_notes_comments(self, note_id_list: List[str]):
"""
batch get notes comments
:param note_id_list:
:return:
"""
utils.logger.info(f"[WeiboCrawler.batch_get_notes_comments] note ids:{note_id_list}")
semaphore = asyncio.Semaphore(config.MAX_CONCURRENCY_NUM)
task_list: List[Task] = []
for note_id in note_id_list:
task = asyncio.create_task(self.get_note_comments(note_id, semaphore), name=note_id)
task_list.append(task)
await asyncio.gather(*task_list)
async def get_note_comments(self, note_id: str, semaphore: asyncio.Semaphore):
"""
get comment for note id
:param note_id:
:param semaphore:
:return:
"""
async with semaphore:
try:
utils.logger.info(f"[WeiboCrawler.get_note_comments] begin get note_id: {note_id} comments ...")
# Read keyword and quantity from config
keywords = config.COMMENT_KEYWORDS
max_comments = config.MAX_COMMENTS_PER_POST
# Download comments
all_comments = await self.wb_client.get_note_all_comments(
note_id=note_id,
crawl_interval=random.random(),
)
# Filter comments by keyword
if keywords:
filtered_comments = [
comment for comment in all_comments if
any(keyword in comment["content"]["message"] for keyword in keywords)
]
else:
filtered_comments = all_comments
# Limit the number of comments
if max_comments > 0:
filtered_comments = filtered_comments[:max_comments]
# Update weibo note comments
await weibo.batch_update_weibo_note_comments(note_id, filtered_comments)
except DataFetchError as ex:
utils.logger.error(f"[WeiboCrawler.get_note_comments] get note_id: {note_id} comment error: {ex}")
except Exception as e:
utils.logger.error(f"[WeiboCrawler.get_note_comments] may be been blocked, err:{e}")
async def create_weibo_client(self, httpx_proxy: Optional[str]) -> WeiboClient:
"""Create xhs client"""

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@ -3,7 +3,7 @@
# @Time : 2023/12/24 17:37
# @Desc :
from typing import List, Dict
from typing import Dict, List
def filter_search_result_card(card_list: List[Dict]) -> List[Dict]:

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@ -1,5 +1,5 @@
from .bilibili import *
from .douyin import *
from .kuaishou import *
from .xiaohongshu import *
from .weibo import *
from .xiaohongshu import *

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@ -91,19 +91,19 @@ async def update_weibo_note(note_item: Dict):
"avatar": user_info.get("profile_image_url", ""),
}
utils.logger.info(
f"[models.weibo.update_weibo_video] weibo note id:{note_id}, title:{local_db_item.get('content')[:24]} ...")
f"[models.weibo.update_weibo_note] weibo note id:{note_id}, title:{local_db_item.get('content')[:24]} ...")
if config.IS_SAVED_DATABASED:
if not await WeiboNote.filter(note_id=note_id).exists():
local_db_item["add_ts"] = utils.get_current_timestamp()
weibo_video_pydantic = pydantic_model_creator(WeiboNote, name='WeiboNoteCreate', exclude=('id',))
weibo_data = weibo_video_pydantic(**local_db_item)
weibo_video_pydantic.model_validate(weibo_data)
weibo_note_pydantic = pydantic_model_creator(WeiboNote, name='WeiboNoteCreate', exclude=('id',))
weibo_data = weibo_note_pydantic(**local_db_item)
weibo_note_pydantic.model_validate(weibo_data)
await WeiboNote.create(**weibo_data.model_dump())
else:
weibo_video_pydantic = pydantic_model_creator(WeiboNote, name='WeiboNoteUpdate',
weibo_note_pydantic = pydantic_model_creator(WeiboNote, name='WeiboNoteUpdate',
exclude=('id', 'add_ts'))
weibo_data = weibo_video_pydantic(**local_db_item)
weibo_video_pydantic.model_validate(weibo_data)
weibo_data = weibo_note_pydantic(**local_db_item)
weibo_note_pydantic.model_validate(weibo_data)
await WeiboNote.filter(note_id=note_id).update(**weibo_data.model_dump())
else:
# Below is a simple way to save it in CSV format.
@ -116,23 +116,22 @@ async def update_weibo_note(note_item: Dict):
writer.writerow(local_db_item.values())
async def batch_update_weibo_video_comments(video_id: str, comments: List[Dict]):
async def batch_update_weibo_note_comments(note_id: str, comments: List[Dict]):
if not comments:
return
for comment_item in comments:
await update_weibo_video_comment(video_id, comment_item)
await update_weibo_note_comment(note_id, comment_item)
async def update_weibo_video_comment(note_id: str, comment_item: Dict):
async def update_weibo_note_comment(note_id: str, comment_item: Dict):
comment_id = str(comment_item.get("id"))
content: Dict = comment_item.get("text")
user_info: Dict = comment_item.get("member")
user_info: Dict = comment_item.get("user")
local_db_item = {
"comment_id": comment_id,
"create_time": utils.rfc2822_to_timestamp(comment_item.get("created_at")),
"create_date_time": str(utils.rfc2822_to_china_datetime(comment_item.get("created_at"))),
"note_id": note_id,
"content": content.get("message"),
"content": comment_item.get("text"),
"sub_comment_count": str(comment_item.get("total_number", 0)),
"comment_like_count": str(comment_item.get("like_count", 0)),
"last_modify_ts": utils.get_current_timestamp(),
@ -146,7 +145,7 @@ async def update_weibo_video_comment(note_id: str, comment_item: Dict):
"avatar": user_info.get("profile_image_url", ""),
}
utils.logger.info(
f"[models.weibo.update_weibo_video_comment] Weibo note comment: {comment_id}, content: {local_db_item.get('content','')[:24]} ...")
f"[models.weibo.update_weibo_note_comment] Weibo note comment: {comment_id}, content: {local_db_item.get('content','')[:24]} ...")
if config.IS_SAVED_DATABASED:
if not await WeiboComment.filter(comment_id=comment_id).exists():
local_db_item["add_ts"] = utils.get_current_timestamp()

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@ -54,6 +54,20 @@ def get_user_agent() -> str:
return random.choice(ua_list)
def get_mobile_user_agent() -> str:
ua_list = [
"Mozilla/5.0 (iPhone; CPU iPhone OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
"Mozilla/5.0 (iPad; CPU OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/604.1",
"Mozilla/5.0 (iPhone; CPU iPhone OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/114.0.5735.99 Mobile/15E148 Safari/604.1",
"Mozilla/5.0 (iPad; CPU OS 16_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/114.0.5735.124 Mobile/15E148 Safari/604.1",
"Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Mobile Safari/537.36",
"Mozilla/5.0 (Linux; Android 13; SAMSUNG SM-S918B) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/21.0 Chrome/110.0.5481.154 Mobile Safari/537.36",
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36 OPR/99.0.0.0",
"Mozilla/5.0 (Linux; Android 10; JNY-LX1; HMSCore 6.11.0.302) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.88 HuaweiBrowser/13.0.5.303 Mobile Safari/537.36"
]
return random.choice(ua_list)
def convert_cookies(cookies: Optional[List[Cookie]]) -> Tuple[str, Dict]:
if not cookies:
return "", {}

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@ -4,7 +4,7 @@
# @Desc : 时间相关的工具函数
import time
from datetime import datetime, timezone, timedelta
from datetime import datetime, timedelta, timezone
def get_current_timestamp() -> int: