1643ca7872b450ea4efacab6188849e5aac2ba161Steve Block#!/usr/bin/env python 2643ca7872b450ea4efacab6188849e5aac2ba161Steve Block# Copyright (c) 2009, Google Inc. All rights reserved. 3643ca7872b450ea4efacab6188849e5aac2ba161Steve Block# Copyright (c) 2009 Apple Inc. All rights reserved. 4231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# 5231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# Redistribution and use in source and binary forms, with or without 6231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# modification, are permitted provided that the following conditions are 7231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# met: 8d0825bca7fe65beaee391d30da42e937db621564Steve Block# 9231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# * Redistributions of source code must retain the above copyright 10231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# notice, this list of conditions and the following disclaimer. 11231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# * Redistributions in binary form must reproduce the above 12231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# copyright notice, this list of conditions and the following disclaimer 13231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# in the documentation and/or other materials provided with the 14231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# distribution. 15231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# * Neither the name of Google Inc. nor the names of its 16231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# contributors may be used to endorse or promote products derived from 17231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# this software without specific prior written permission. 18d0825bca7fe65beaee391d30da42e937db621564Steve Block# 19231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 31231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Blockimport re 32231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 33d0825bca7fe65beaee391d30da42e937db621564Steve Block 34643ca7872b450ea4efacab6188849e5aac2ba161Steve Blockdef plural(noun): 35d0825bca7fe65beaee391d30da42e937db621564Steve Block # This is a dumb plural() implementation that is just enough for our uses. 36643ca7872b450ea4efacab6188849e5aac2ba161Steve Block if re.search("h$", noun): 37643ca7872b450ea4efacab6188849e5aac2ba161Steve Block return noun + "es" 38643ca7872b450ea4efacab6188849e5aac2ba161Steve Block else: 39643ca7872b450ea4efacab6188849e5aac2ba161Steve Block return noun + "s" 40231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 41d0825bca7fe65beaee391d30da42e937db621564Steve Block 42643ca7872b450ea4efacab6188849e5aac2ba161Steve Blockdef pluralize(noun, count): 43643ca7872b450ea4efacab6188849e5aac2ba161Steve Block if count != 1: 44643ca7872b450ea4efacab6188849e5aac2ba161Steve Block noun = plural(noun) 45643ca7872b450ea4efacab6188849e5aac2ba161Steve Block return "%d %s" % (count, noun) 468a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve Block 478a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve Block 488a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve Blockdef join_with_separators(list_of_strings, separator=', ', last_separator=', and '): 498a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve Block if not list_of_strings: 508a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve Block return "" 518a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve Block if len(list_of_strings) == 1: 528a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve Block return list_of_strings[0] 538a0914b749bbe7da7768e07a7db5c6d4bb09472bSteve Block return "%s%s%s" % (separator.join(list_of_strings[:-1]), last_separator, list_of_strings[-1]) 54