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Allow common CLI arguments to work both before and after the subcommand

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This commit is contained in:
Eevee (Lexy Munroe) 2016-02-02 11:01:45 -08:00
parent 59d8a790d1
commit dd6630368d
1 changed files with 35 additions and 13 deletions
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48
pokedex/main.py
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@ -30,44 +30,58 @@ def setuptools_entry():
def create_parser():
"""Build and return an ArgumentParser.
"""
parser = argparse.ArgumentParser(prog='pokedex', description=u'A command-line Pokédex interface')
parser.add_argument(
# Slightly clumsy workaround to make both `setup -v` and `-v setup` work
common_parser = argparse.ArgumentParser(add_help=False)
common_parser.add_argument(
'-e', '--engine', dest='engine_uri', default=None,
help=u'By default, all commands try to use a SQLite database '
u'in the pokedex install directory. Use this option (or '
u'a POKEDEX_DB_ENGINE environment variable) to specify an '
u'alternate database.',
)
parser.add_argument(
common_parser.add_argument(
'-i', '--index', dest='index_dir', default=None,
help=u'By default, all commands try to put the lookup index in '
u'the pokedex install directory. Use this option (or a '
u'POKEDEX_INDEX_DIR environment variable) to specify an '
u'alternate loction.',
)
parser.add_argument(
common_parser.add_argument(
'-q', '--quiet', dest='verbose', action='store_false',
help=u'Don\'t print system output. This is the default for '
'non-system commands and setup.',
)
parser.add_argument(
common_parser.add_argument(
'-v', '--verbose', dest='verbose', default=False, action='store_true',
help=u'Print system output. This is the default for system '
u'commands, except setup.',
)
parser = argparse.ArgumentParser(
prog='pokedex', description=u'A command-line Pokédex interface',
parents=[common_parser],
)
cmds = parser.add_subparsers(title='Commands')
cmd_help = cmds.add_parser('help', help=u'Display this message')
cmd_help = cmds.add_parser(
'help', help=u'Display this message',
parents=[common_parser])
cmd_help.set_defaults(func=command_help)
cmd_lookup = cmds.add_parser('lookup', help=u'Look up something in the Pokédex')
cmd_lookup = cmds.add_parser(
'lookup', help=u'Look up something in the Pokédex',
parents=[common_parser])
cmd_lookup.set_defaults(func=command_lookup)
cmd_lookup.add_argument('criteria', nargs='+')
cmd_search = cmds.add_parser('search', help=u'Find things by various criteria')
cmd_search = cmds.add_parser(
'search', help=u'Find things by various criteria',
parents=[common_parser])
pokedex.cli.search.configure_parser(cmd_search)
cmd_load = cmds.add_parser('load', help=u'Load Pokédex data into a database from CSV files')
cmd_load = cmds.add_parser(
'load', help=u'Load Pokédex data into a database from CSV files',
parents=[common_parser])
cmd_load.set_defaults(func=command_load, verbose=True)
# TODO get the actual default here
cmd_load.add_argument(
@ -90,7 +104,9 @@ def create_parser():
'tables', nargs='*',
help="list of database tables to load (default: all)")
cmd_dump = cmds.add_parser('dump', help=u'Dump Pokédex data from a database into CSV files')
cmd_dump = cmds.add_parser(
'dump', help=u'Dump Pokédex data from a database into CSV files',
parents=[common_parser])
cmd_dump.set_defaults(func=command_dump, verbose=True)
cmd_dump.add_argument(
'-d', '--directory', dest='directory', default=None,
@ -102,13 +118,19 @@ def create_parser():
'tables', nargs='*',
help="list of database tables to load (default: all)")
cmd_reindex = cmds.add_parser('reindex', help=u'Rebuild the lookup index from the database')
cmd_reindex = cmds.add_parser(
'reindex', help=u'Rebuild the lookup index from the database',
parents=[common_parser])
cmd_reindex.set_defaults(func=command_reindex, verbose=True)
cmd_setup = cmds.add_parser('setup', help=u'Combine load and reindex')
cmd_setup = cmds.add_parser(
'setup', help=u'Combine load and reindex',
parents=[common_parser])
cmd_setup.set_defaults(func=command_setup, verbose=False)
cmd_status = cmds.add_parser('status', help=u'Print which engine, index, and csv directory would be used for other commands')
cmd_status = cmds.add_parser(
'status', help=u'Print which engine, index, and csv directory would be used for other commands',
parents=[common_parser])
cmd_status.set_defaults(func=command_status, verbose=True)
return parser