65 lines
1.9 KiB
Python
65 lines
1.9 KiB
Python
import json
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import datetime # 添加datetime导入
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import requests
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import urllib3
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from bs4 import BeautifulSoup
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# 移除 SQLAlchemy 导入
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# from sqlalchemy.sql.functions import now
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from .crawler import Crawler
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from ...core import cache
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from ...db.mysql import News
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urllib3.disable_warnings()
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class ZhiHuCrawler(Crawler):
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"""知乎"""
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def fetch(self, date_str):
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# 获取当前时间
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current_time = datetime.datetime.now()
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url = "https://www.zhihu.com/api/v3/explore/guest/feeds?limit=30&ws_qiangzhisafe=0"
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resp = requests.get(url=url, headers=self.header, verify=False, timeout=self.timeout)
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if resp.status_code != 200:
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print(f"request failed, status: {resp.status_code}")
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return []
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try:
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json_data = resp.json()
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data = json_data.get('data', [])
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result = []
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cache_list = []
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for item in data:
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target = item.get('target', {})
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question = target.get('question', {})
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title = question.get('title', '')
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url = f"https://www.zhihu.com/question/{question.get('id')}"
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excerpt = target.get('excerpt', '')
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news = {
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'title': title,
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'url': url,
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'content': excerpt,
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'source': 'zhihu',
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'publish_time': current_time.strftime('%Y-%m-%d %H:%M:%S')
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}
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result.append(news)
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cache_list.append(news)
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cache.hset(date_str, self.crawler_name(), json.dumps(cache_list, ensure_ascii=False))
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return result
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except Exception as e:
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print(f"Error parsing JSON: {e}")
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return []
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def crawler_name(self):
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return "zhihu"
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