Coverage for craw/argparse_util.py : 30%

########################################################################### 

# # 

# This file is part of Counter RNAseq Window (craw) package. # 

# # 

# Authors: Bertrand Neron # 

# Copyright (c) 2017-2019 Institut Pasteur (Paris). # 

# see COPYRIGHT file for details. # 

# # 

# craw is free software: you can redistribute it and/or modify # 

# it under the terms of the GNU General Public License as published by # 

# the Free Software Foundation, either version 3 of the License, or # 

# (at your option) any later version. # 

# # 

# craw is distributed in the hope that it will be useful, # 

# but WITHOUT ANY WARRANTY; without even the implied warranty of # 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # 

# See the GNU General Public License for more details. # 

# # 

# You should have received a copy of the GNU General Public License # 

# along with craw (see COPYING file). # 

# If not, see <http://www.gnu.org/licenses/>. # 

# # 

########################################################################### 

import argparse 

class VersionAction(argparse._VersionAction): 

"""Class to allow argparse to handel more complex version output""" 

def __call__(self, parser, namespace, values, option_string=None): 

"""Override the :meth:`argparse._VersionAction.__call__` to use 

a RawTextHelpFormatter only for version action whatever the class_formatter 

specified for the :class:`argparse.ArgumentParser` object. 

""" 

version = self.version 

if version is None: 

version = parser.version 

formatter = argparse.RawTextHelpFormatter(parser.prog) 

formatter.add_text(version) 

parser._print_message(formatter.format_help(), argparse._sys.stdout) 

parser.exit()