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##############################################################################
# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/llnl/spack
# Please also see the LICENSE file for our notice and the LGPL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License (as
# published by the Free Software Foundation) version 2.1, February 1999.
#
# This program 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 terms and
# conditions of the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
def comma_list(sequence, article=''):
if type(sequence) != list:
sequence = list(sequence)
if not sequence:
return
elif len(sequence) == 1:
return sequence[0]
else:
out = ', '.join(str(s) for s in sequence[:-1])
if len(sequence) != 2:
out += ',' # oxford comma
out += ' '
if article:
out += article + ' '
out += str(sequence[-1])
return out
def comma_or(sequence):
return comma_list(sequence, 'or')
def comma_and(sequence):
return comma_list(sequence, 'and')
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