I haven't looked at the code, but have you thought about abstracting out the bits that deal with argparse? Then people could write adapters for optparse, docopt

I haven't looked at the code, but have you thought about abstracting out the bits that deal with argparse? Then people could write adapters for optparse, docopt, etc. Hooking into argparse the way you do is super cool, but it would be nice not to be limited to that.