python递归下载文件夹下所有文件

pip install requests

####春江暮客 www.bobobk.com
import requests
import re
import os
import sys
def help(script):
 text = 'python3 %s https://www.bobobk.com ./' % script

 print(text)
def get_file(url,path):##文件下载函数
  content = requests.get(url)
  print("write %s in %s" % (url,path))
  filew = open(path+url.split("/")[-1],'wb')
  for chunk in content.iter_content(chunk_size=512 * 1024): 
    if chunk: # filter out keep-alive new chunks
      filew.write(chunk)
  filew.close()
def get_dir(url,path): #文件夹处理逻辑
  content = requests.get(url).text
  if "<title>Index of" in content:
    sub_url = re.findall('href="(.*?)" rel="external nofollow" ',content)
  
    print(sub_url)
    for i in sub_url:
      if "/" in i:
      
        i = i.split("/")[0]
        print(i)
        if i!="." and i!="..":
          
          if not os.direxists(path+i):
            os.mkdir(path+i)
         
          get_dir(url+"/"+i,path+i+"/")
          print("url:"+url+"/"+i+"\nurl_path:"+path+i+"/")
      else:
        get_file(url+"/"+i,path)
  else:
    get_file(url,path)
if __name__ == '__main__':
 if not sys.argv[1]:
 help(sys.argv[0])
 exit(0)
 else:
 get_dir(sys.argv[1],"./")