Need help in writing some code so i can re-use it in every module or class

Jean-Michel Pichavant jeanmichel at sequans.com
Wed Feb 26 19:50:27 CET 2014


----- Original Message ----- 

> Hello Experts,

> I have requirement, like i want to use below command in python
> script.

> <command> --username <username> --password <password> <Command line
> arguments>

> now my requirement is i want to write some class so i can re-use
> "<command> --username <username> --password <password>" part via
> importing as module or class .. and re-use that in other module or
> classes .. so i dont have to write that in every module or classes
> ..

> Now why i wan to do this is ... currently <command> we are using is
> going to change in near future to <command1>, so i dont have go to
> every module and change that command if i have written single module
> or class and re-use it in other ?

> Hope i am clear enough to describe my issue?

> any suggestions ?

> Regards,
> DJ

Hi,

Have a look at http://docs.python.org/2/library/argparse.html

Then create a module, for instance myParser, that defines the common paser, and in each of your scripts import that module and use the parser.

*Untested code*

myParser.py

import argparse
parser = argparse.ArgumentParser(description='Process some integers.')
#then define the parser


then in a script:

script.py

import myParser

if __name__ == '__main__':
    args = myParser.parser.parse_args()
    # and so on...

Cheers,

JM


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