python脚本文件遍历，字符串查找，图片上传

import os
import time
import codecs
import re
import requests


def workfile(mypath):
    for root, dirs, files in os.walk(mypath):
        for name in files:
            if name.endswith(".md"):
                filename = os.path.join(root, name)
                content = codecs.open(filename, 'r', 'UTF-8')
                matchObj = re.findall(r'(?:!\[(.*?\]\((.*?)\)))', content.read())
                print(filename)
                for pic in matchObj:
                    print(root)
                    print(filename)
                    picPath = os.path.join(os.path.abspath(root), pic[1])
                    print(picPath)
                    # picupload(picPath)
                    (path, picname) = os.path.split(picPath)
                    print(picname)
                    basic_url = 'https://pic.itstephen.cn/images/2021/02/25/'
                    replaceContent = content.read().replace(pic[1], basic_url + picname)
                    content.write(replaceContent)


def picupload(pic):
    url = 'https://pic.itstephen.cn/api/1/upload/?key=6e4aaef5e9f3f696bfb8f4f'
    action = 'upload'
    form = {'source': open(pic, 'rb')}
    r = requests.post(url, files=form)
    print(r.content)


if __name__ == '__main__':
    print('hello, world')
    path = os.path.curdir
    print(os.path.abspath("../"))
    os.listdir
    ss = 'ssasas'
    print(ss.endswith('as'))
    workfile(path)
    time.sleep(5)