How to automatically install pythn third-party libraries

Recently, I often have to change my computer , After changing the computer, synchronize your previous python Environmental Science , So we have a simple solution

1. Use on the original computer pip list Print out the installed third-party library

   pip list
   give the result as follows
   

2. Finish installing on your new computer python After environment , Run the following script

   import os
   import re
   def auto_install(fn:str):
       #  Input fn by pip list Format of output in 
       libPatten = re.compile("\s*(\w+)\s*([\d\.]+)")
       with open(fn,"r") as f:
           lines = f.readlines()
           for line in lines:
               libRe = libPatten.match(line)
               if libRe:
                   libname = libRe.group(1)
                   version = libRe.group(2)
                   os.system("pip install "+libname +"=="+version)
   
   if __name__ == "__main__":
       fn = r"xxx.txt"
       auto_install(fn)
   

3. Wait for the auto run script to install

It hasn't been updated for a long time , Ah , Self created updates are annoying