Python爬虫爬取微博热搜保存为 Markdown 文件的源码

# -*- coding=UTF-8 -*-
#!usr/bin/env python

import os
import time
import requests
from lxml import etree

url = "https://s.weibo.com/top/summary?cate=realtimehot"
headers={
 'Host': 's.weibo.com',
 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3',
 'Accept-Encoding': 'gzip, deflate, br',
 'Accept-Language': 'zh-CN,zh;q=0.9',
 'Connection': 'keep-alive',
 'Referer': 'https://weibo.com/',
 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36'
}
r = requests.get(url,headers=headers)
print(r.status_code)

html_xpath = etree.HTML(r.text)
data = html_xpath.xpath('//*[@id="pl_top_realtimehot"]/table/tbody/tr/td[2]')
num = -1

# # 解决存储路径
# time_path = time.strftime('%Y{y}%m{m}%d{d}',time.localtime()).format(y='年', m='月', d='日')
# time_name = time.strftime('%Y{y}%m{m}%d{d}%H{h}',time.localtime()).format(y='年', m='月', d='日',h='点')
# root = "./" + time_path + "/"
# path = root + time_name + '.md'
# if not os.path.exists(root):
#  os.mkdir(root)

# 解决存储路径
time_path = time.strftime('%Y{y}%m{m}%d{d}',time.localtime()).format(y='年', m='月', d='日')
time_name = time.strftime('%Y{y}%m{m}%d{d}%H{h}',time.localtime()).format(y='年', m='月', d='日',h='点')
year_path = time.strftime('%Y{y}',time.localtime()).format(y='年')
month_path = time.strftime('%m{m}',time.localtime()).format(m='月')
day_month = time.strftime('%d{d}',time.localtime()).format(d='日')
all_path = "./" + year_path + '/'+ month_path + '/' + day_month
if not os.path.exists(all_path):
 # 创建多层路径
 os.makedirs(all_path)

# 最终文件存储位置
root = all_path + "/"
path = root + time_name + '.md'
print(path)
# 文件头部信息
with open(path,'a') as f:
 f.write('{} {}\n\n'.format('# ',time_name+'数据'))
f.close()

for tr in (data):
 title = tr.xpath('./a/text()')
 hot_score = tr.xpath('./span/text()')
 
 num += 1

 # 过滤第 0 条
 if num == 0:
  pass
 else:
  with open(path,'a') as f:

   f.write('{} {}、{}\n\n'.format('###',num,title[0]))
   f.write('{} {}\n\n'.format('微博当时热度为：',hot_score[0]))
   
  f.close()

  print(num,title[0],'微博此时的热度为：',hot_score[0])