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ensure-valid-python
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executable file
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#!/usr/bin/env perl
# Copyright (C) 2010 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of Apple Inc. ("Apple") nor the names of
# its contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
use strict;
use warnings;
use FindBin;
use Getopt::Long;
use lib $FindBin::Bin;
use webkitdirs;
use VCSUtils;
sub checkPythonVersion()
{
# Will exit 0 if Python is 2.7, non-zero otherwise.
`python -c "import sys;sys.exit(sys.version_info[:2] != (2,7))"`;
return exitStatus($?) == 0;
}
sub main()
{
my $checkOnly = 0;
my $showHelp = 0;
my $getOptionsResult = GetOptions(
'check-only!' => \$checkOnly,
'help|h' => \$showHelp,
);
if (!$getOptionsResult || $showHelp) {
print STDERR <<HELP;
Usage: $0 [options]
--check-only Check python version only.
-h|--help Show this help message.
HELP
return 1;
}
# Congrats, your Python is fine.
return 0 if checkPythonVersion();
return 1 if $checkOnly;
print "Your Python version is insufficient to run WebKit's Python code. Please update.\n";
print "See http://trac.webkit.org/wiki/PythonGuidelines for more info.\n";
return 1;
}
exit(main());