def make_parser():
"""Make parser for command line args.
Returns:
A Parser object.
"""
parser = argparse.ArgumentParser()
parser.add_argument('filenames',
metavar='filename',
type=str,
nargs='*',
help='input file(s)')
modes = parser.add_mutually_exclusive_group()
modes.add_argument('--tree',
dest='tree',
action='store_true',
default=False,
help='Display import tree.')
modes.add_argument('--unresolved',
dest='unresolved',
action='store_true',
default=False,
help='Display unresolved dependencies.')
modes.add_argument('--generate-config',
dest='generate_config',
type=str,
action='store',
default='',
help='Write out a dummy configuration file.')
parser.add_argument(
'-v',
'--verbosity',
dest='verbosity',
type=int,
action='store',
default=1,
help='Set logging level: 0=ERROR, 1 =WARNING (default), 2=INFO.')
parser.add_argument('--config',
dest='config',
type=str,
action='store',
default='',
help='Configuration file.')
# Adds options from the config file.
types = config.make_converters()
for short_arg, arg, dest in [('-V', '--python-version', 'python_version'),
('-o', '--output', 'output'),
('-P', '--pythonpath', 'pythonpath')]:
parser.add_argument(short_arg,
arg,
dest=dest,
type=types.get(dest),
action='store',
default=config.ITEMS[dest].default,
help=config.ITEMS[dest].comment)
# Adds options from pytype-single.
wrapper = ParserWrapper(parser)
pytype_config.add_basic_options(wrapper)
return Parser(parser, wrapper.names)
def make_parser():
"""Make parser for command line args.
Returns:
A Parser object.
"""
parser = argparse.ArgumentParser(usage='%(prog)s [options] input [input ...]')
parser.register('action', 'flatten', _FlattenAction)
modes = parser.add_mutually_exclusive_group()
modes.add_argument(
'--tree', dest='tree', action='store_true', default=False,
help='Display import tree.')
modes.add_argument(
'--unresolved', dest='unresolved', action='store_true', default=False,
help='Display unresolved dependencies.')
modes.add_argument(
'--generate-config', dest='generate_config', type=str, action='store',
default='',
help='Write out a dummy configuration file.')
parser.add_argument(
'-v', '--verbosity', dest='verbosity', type=int, action='store',
default=1,
help='Set logging level: 0=ERROR, 1=WARNING (default), 2=INFO.')
parser.add_argument(
'--config', dest='config', type=str, action='store', default='',
help='Configuration file.')
parser.add_argument(
'--version', action='store_true', dest='version', default=None,
help=('Display pytype version and exit.'))
# Adds options from the config file.
types = config.make_converters()
# For nargs=*, argparse calls type() on each arg individually, so
# _FlattenAction flattens the list of sets of paths as we go along.
for option in [
(('-x', '--exclude'), {'nargs': '*', 'action': 'flatten'}),
(('inputs',), {'metavar': 'input', 'nargs': '*', 'action': 'flatten'}),
(('-k', '--keep-going'), {'action': 'store_true', 'type': None}),
(('-j', '--jobs'), {'action': 'store', 'type': parse_jobs,
'metavar': 'N'}),
(('-P', '--pythonpath'),),
(('-V', '--python-version'),)
]:
_add_file_argument(parser, types, *option)
output = parser.add_mutually_exclusive_group()
_add_file_argument(output, types, ('-o', '--output'))
output.add_argument(
'-n', '--no-cache', dest='no_cache', action='store_true', default=False,
help='Send pytype output to a temporary directory.')
# Adds options from pytype-single.
wrapper = datatypes.ParserWrapper(parser)
pytype_config.add_basic_options(wrapper)
pytype_config.add_feature_flags(wrapper)
return Parser(parser, wrapper.actions)
