comman line parsing

[Skaperen]

what is your favorite command line parsing tool?  i doubt if i use any such tool because of the way i make commands but i decided to look over one ... hopefully the best one.  this also needs to be one that requires nothing to be installed.  it will be distributed as just one big python file to download and run.

[wavic]

argparse
There is not much choice if you don't want to install anything

[snippsat]

It's no problem to distribute something that not in the standard library,so then is Click.
Eg pip freeze > requirements.txt running this in virtual environment.
requirements.txt file will be click==6.7 then this will be installed automatic with eg running pip install my_cliapp(this is all that user do).

For user that don't even have Python,it work in same way when you Freeze the code eg with Pyinstaller.
Pyinstaller finds Click and pack to my_clikapp.exe(Windows) or my_cliapp(Linux)