/usr/lib/python2.7/dist-packages/argh/helpers.py is in python-argh 0.26.2-1.
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#
# Copyright © 2010—2014 Andrey Mikhaylenko and contributors
#
# This file is part of Argh.
#
# Argh is free software under terms of the GNU Lesser
# General Public License version 3 (LGPLv3) as published by the Free
# Software Foundation. See the file README.rst for copying conditions.
#
"""
Helpers
~~~~~~~
"""
import argparse
from argh.completion import autocomplete
from argh.assembling import add_commands, set_default_command
from argh.dispatching import PARSER_FORMATTER, ArghNamespace, dispatch
__all__ = ['ArghParser']
class ArghParser(argparse.ArgumentParser):
"""
A subclass of :class:`ArgumentParser` with support for and a couple
of convenience methods.
All methods are but wrappers for stand-alone functions
:func:`~argh.assembling.add_commands`,
:func:`~argh.completion.autocomplete` and
:func:`~argh.dispatching.dispatch`.
Uses :attr:`~argh.dispatching.PARSER_FORMATTER`.
"""
def __init__(self, *args, **kwargs):
kwargs.setdefault('formatter_class', PARSER_FORMATTER)
super(ArghParser, self).__init__(*args, **kwargs)
def set_default_command(self, *args, **kwargs):
"Wrapper for :func:`~argh.assembling.set_default_command`."
return set_default_command(self, *args, **kwargs)
def add_commands(self, *args, **kwargs):
"Wrapper for :func:`~argh.assembling.add_commands`."
return add_commands(self, *args, **kwargs)
def autocomplete(self):
"Wrapper for :func:`~argh.completion.autocomplete`."
return autocomplete(self)
def dispatch(self, *args, **kwargs):
"Wrapper for :func:`~argh.dispatching.dispatch`."
return dispatch(self, *args, **kwargs)
def parse_args(self, args=None, namespace=None):
"""
Wrapper for :meth:`argparse.ArgumentParser.parse_args`. If `namespace`
is not defined, :class:`argh.dispatching.ArghNamespace` is used.
This is required for functions to be properly used as commands.
"""
namespace = namespace or ArghNamespace()
return super(ArghParser, self).parse_args(args, namespace)
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