How do you add datetime to a logfile name?

Question

When I create my logfile, I want the name to contain the datetime.

In Python you can get the current datetime as:

>>> from datetime import da         


        

Answer 1

You need datetime.strftime(), this allows you to format the timestamp using all of the directives of C's strftime(). In your specific case:

>>> datetime.now().strftime('mylogfile_%H_%M_%d_%m_%Y.log')
'mylogfile_08_48_04_02_2012.log'