如何制作一个可以自动更新的Github个人主页

# -*- coding: utf-8 -*-
import urllib3
from lxml import etree
import html
import re
blogUrl = 'https://xindoo.blog.csdn.net/'
headers={'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36'} 
def addIntro(f):
    txt = ''' 
9年技术博主，CSDN认证博客专家，新晋视频up主  
曾在阿里做过2年运维+1年开发，现为某厂Java后端开发工程师，拥有丰富的 挖坑 踩坑 填坑 背锅经验 🐶   
专注于Java，对操作系统、网络、编译原理也有涉猎，目前正在写一门简易的脚本语言   
''' 
    f.write(txt)
def addProjectInfo(f):
    txt ='''
### 开源项目  
- [eng-practices-cn](https://github.com/xindoo/eng-practices-cn)谷歌工程实践中文版    
- [regex](https://github.com/xindoo/regex)Java实现的正则引擎表达式    
- [redis](https://github.com/xindoo/redis) Redis中文注解版  
- [slowjson](https://github.com/xindoo/slowjson) 用antlr实现的json解析器  
- [leetcode](https://github.com/xindoo/leetcode) 我的Leetcode题解   
[查看更多](https://github.com/xindoo/)     
    ''' 
    f.write(txt) 
def addBlogInfo(f):  
    http = urllib3.PoolManager(num_pools=5, headers = headers)
    resp = http.request('GET', blogUrl)
    resp_tree = etree.HTML(resp.data.decode("utf-8"))
    html_data = resp_tree.xpath(".//div[@class='article-item-box csdn-tracking-statistics']/h4") 
    f.write("\n### 我的博客\n")
    cnt = 0
    for i in html_data: 
        if cnt >= 5:
            break
        title = i.xpath('./a/text()')[1].strip()
        url = i.xpath('./a/@href')[0] 
        item = '- [%s](%s)\n' % (title, url)
        f.write(item)
        cnt = cnt + 1
    f.write('\n[查看更多](https://xindoo.blog.csdn.net/)\n')
f = open('README.md', 'w+')
addIntro(f)
f.write('<table><tr>\n')
f.write('<td valign="top" width="50%">\n')
addProjectInfo(f)
f.write('\n</td>\n')
f.write('<td valign="top" width="50%">\n')
addBlogInfo(f)
f.write('\n</td>\n')
f.write('</tr></table>\n')
f.close

# This is a basic workflow to help you get started with Actions
name: build readme
# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the master branch
on:   # 触发时机
  push:
    branches: [ master ]  # master有更新
  schedule:
    - cron:  '0 */6 * * *'  # 每6小时运行一次
# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest   # 使用最新版ubuntu镜像 
    # Steps represent a sequence of tasks that will be executed as part of the job
    steps: 
    # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
    - uses: actions/checkout@v2  
    - name: Setup Python  # 安装python环境 
      uses: actions/setup-python@v2.1.1
    - name: Install Python dependencies  # 安装python爬虫依赖包
      run: python -m pip install urllib3 lxml
    - name: Run python   # 生成新的README.md文件 
      run: python generateReadme.py
    - name: Record time  
      run: echo `date` > date.log
    - name: Commit and push if changed   # 将README.md更新到仓库
      run: |
        git diff
        git config --global user.email "xindoo@zxs.io"
        git config --global user.name "zxs"
        git add -A
        git commit -m "Updated Readme" || exit 
        git push