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Print help for humans, fixes #124 #139

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Mar 22, 2017
Merged

Print help for humans, fixes #124 #139

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23 changes: 20 additions & 3 deletions gitless/cli/gl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,11 +50,28 @@
pass


def print_help(parser):
"""print help for humans"""
print(parser.description)
print('\ncommands:\n')

# https://stackoverflow.com/questions/20094215/argparse-subparser-monolithic-help-output
# retrieve subparsers from parser
subparsers_actions = [
action for action in parser._actions
if isinstance(action, argparse._SubParsersAction)]
# there will probably only be one subparser_action,
# but better save than sorry
for subparsers_action in subparsers_actions:
# get all subparsers and print help
for choice in subparsers_action._choices_actions:
print(' {:<19} {}'.format(choice.dest, choice.help))

def main():
parser = argparse.ArgumentParser(
description=(
'Gitless: a version control system built on top of Git. More info, '
'downloads and documentation available at {0}'.format(URL)),
'Gitless: a version control system built on top of Git.\nMore info, '
'downloads and documentation at {0}'.format(URL)),
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument(
'--version', action='version', version=(
Expand All @@ -71,7 +88,7 @@ def main():
sub_cmd.parser(subparsers, repo)

if len(sys.argv) == 1:
parser.print_help()
print_help(parser)
return SUCCESS

args = parser.parse_args()
Expand Down