On 10/12/2012 11:04 AM, Petr Viktorin wrote: > Hello, > I read through https://fedorahosted.org/freeipa/ticket/3060 and > noticed that the requirements are similar to what an existing library > offers. > > The optparse module we currently use for CLI option parsing is > deprecated[1]. The replacement is called argparse, which is part of > the Python 2.7 standard library. Out of the box, it provides several > features we either lack or had to handle manually, namely: > * supporting sub-commands [2] > * producing more informative usage messages [2] > * handling both optional and positional arguments [3] > * as well as including a number of other more minor improvements on > the optparse API. [3] > > The package has also been backported to Python 2.6, the only catch > there is that it's not in the standard library. > > > Not much of our code calls optparse directly, so switching shouldn't > be a major effort (within the scope of reorganizing the help system). > In exchange we get better CLI help messages, forward compatibility, > and reuse of proven code instead of our own solutions. > > > [1] http://docs.python.org/library/optparse.html > [2] http://code.google.com/p/argparse/ > [3] yum info python-argparse (EPEL-6) > The ticket is IMO nice to have. Does it provide any value for other main commands? If so can you reference other tickets that it would help with. I am not sure I want the switch for just help.
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