How to back up files and write new content in python

Python how to back up files and write new content, in view of this problem, this article introduces the corresponding analysis and answers in detail, hoping to help more partners who want to solve this problem to find a more simple and easy way.

Def oper_file (file_name,lines): # # back up the old file and write the changes to the new file old_file=file_name now = datetime.datetime.now () .strftime ("% Y%m%d%H%M") newfile=old_file+ "_ bk_" + now shutil.copyfile (old_file,newfile) new_conf = open (file_name, 'wicked') new_conf.writelines (lines) new_conf.flush () new_conf.close ()

This function calls the shutil and datetime modules.

First determine the name of the backup file, and then back up the file through shutil.copyfile ().

Then open the file in "w +" mode through open () and write the new content to the file.

This is the answer to the question about how python backs up files and writes new content. I hope the above content can be of some help to you. If you still have a lot of doubts to solve, you can follow the industry information channel to learn more about it.