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api: Display help on wrong command-line arguments.

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Fixes #93.
This commit is contained in:
derAnfaenger 2017-08-25 16:27:52 +02:00 committed by Tim Abbott
parent 5a426fa841
commit 6db062ef75
1 changed files with 9 additions and 1 deletions
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10
zulip/zulip/__init__.py
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@ -33,6 +33,7 @@ import optparse
import argparse import argparse
import platform import platform
import random import random
import types
from distutils.version import LooseVersion from distutils.version import LooseVersion
from six.moves.configparser import SafeConfigParser from six.moves.configparser import SafeConfigParser
@ -104,8 +105,15 @@ def _default_client():
# type: () -> str # type: () -> str
return "ZulipPython/" + __version__ return "ZulipPython/" + __version__
def add_default_arguments(parser): def add_default_arguments(parser, patch_error_handling=True):
# type: (argparse.ArgumentParser) -> argparse.ArgumentParser # type: (argparse.ArgumentParser) -> argparse.ArgumentParser
if patch_error_handling:
def custom_error_handling(self, message):
self.print_help(sys.stderr)
self.exit(2, '{}: error: {}\n'.format(self.prog, message))
parser.error = types.MethodType(custom_error_handling, parser)
group = parser.add_argument_group('Zulip API configuration') group = parser.add_argument_group('Zulip API configuration')
group.add_argument('--site', group.add_argument('--site',
dest="zulip_site", dest="zulip_site",