lintsinghua
89 lines
3.2 KiB
Python
89 lines
3.2 KiB
Python
import time
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import requests
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import csv
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import os
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import random
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from datetime import datetime
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from .settings import articleAddr, commentsAddr
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from requests.exceptions import RequestException
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# 初始化，创建评论数据文件
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def init():
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if not os.path.exists(commentsAddr):
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with open(commentsAddr, 'w', encoding='utf-8', newline='') as csvFile:
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writer = csv.writer(csvFile)
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writer.writerow([
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'articleId', 'created_at', 'likes_counts', 'region', 'content',
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'authorName', 'authorGender', 'authorAddress', 'authorAvatar'
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])
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# 写入评论数据到CSV
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def write(row):
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with open(commentsAddr, 'a', encoding='utf-8', newline='') as csvFile:
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writer = csv.writer(csvFile)
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writer.writerow(row)
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# 获取数据，支持多账号随机切换
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def fetchData(url, params, headers_list):
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headers = random.choice(headers_list)
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try:
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response = requests.get(url, headers=headers, params=params, timeout=10)
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if response.status_code == 200:
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return response.json()['data']
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else:
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return None
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except RequestException as e:
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print(f"请求失败：{e}")
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return None
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# 获取文章列表
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def getArticleList():
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articleList = []
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with open(articleAddr, 'r', encoding='utf-8') as reader:
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readerCsv = csv.reader(reader)
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next(reader)
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for nav in readerCsv:
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articleList.append(nav)
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return articleList
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# 解析评论数据
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def readJson(response, articleId):
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for comment in response:
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created_at = datetime.strptime(comment['created_at'], '%a %b %d %H:%M:%S %z %Y').strftime('%Y-%m-%d')
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likes_counts = comment['like_counts']
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region = comment.get('source', '无').replace('来自', '')
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content = comment['text_raw']
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authorName = comment['user']['screen_name']
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authorGender = comment['user']['gender']
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authorAddress = comment['user']['location']
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authorAvatar = comment['user']['avatar_large']
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write([articleId, created_at, likes_counts, region, content, authorName, authorGender, authorAddress, authorAvatar])
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# 启动爬虫
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def start(headers_list, delay=2):
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commentUrl = 'https://weibo.com/ajax/statuses/buildComments'
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init()
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articleList = getArticleList()
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for article in articleList:
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articleId = article[0]
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print(f'正在爬取id值为{articleId}的文章评论')
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time.sleep(random.uniform(1, delay)) # 随机延时，避免频繁访问
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params = {'id': int(articleId), 'is_show_bulletin': 2}
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response = fetchData(commentUrl, params, headers_list)
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if response:
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readJson(response, articleId)
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if __name__ == '__main__':
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# 这里的headers_list应该包含多个账号的cookie
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headers_list = [
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{
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'Cookie': 'your_cookie_here',
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0'
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},
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{
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'Cookie': 'another_cookie_here',
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0'
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}
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]
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start(headers_list)
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