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#!/usr/bin/perl -w
# 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 File::Basename;
use File::Spec;
use File::Temp qw(tempdir);
use FindBin;
use Getopt::Long;
use lib $FindBin::Bin;
use webkitdirs;
use VCSUtils;
my $macPythonURL = "http://www.python.org/ftp/python/2.6.5/python-2.6.5-macosx10.3-2010-03-24.dmg";
my $macPythonMD5 = "84489bba813fdbb6041b69d4310a86da";
my $macPythonInstallerName = "Python.mpkg";
# We could use a consistent download location, like the source or build directory.
my $tempDirectory = File::Temp::tempdir("WebKitPythonXXXX", TMPDIR => 1, CLEANUP => 1);
my $downloadDirectory = $tempDirectory;
my $mountPoint = File::Spec->join($tempDirectory, "mount");
sub checkPythonVersion()
{
# Will exit 0 if Python is 2.5 or greater, non-zero otherwise.
`python -c "import sys;sys.exit(sys.version_info[:2] < (2,5))"`;
return exitStatus($?) == 0;
}
sub downloadFileToPath($$)
{
my ($remoteURL, $localPath) = @_;
print "Downloading $remoteURL to $localPath\n";
my $exitCode = system("curl", "-o", $localPath, $remoteURL);
return exitStatus($exitCode) == 0;
}
sub checkMD5($$)
{
my ($path, $expectedMD5) = @_;
my $md5Output = `md5 -q "$path"`;
chomp($md5Output);
my $isValid = $md5Output eq $expectedMD5;
print "'$md5Output' does not match expected: '$expectedMD5'\n" unless $isValid;
return $isValid;
}
sub mountDMG($$)
{
my ($dmgPath, $mountPoint) = @_;
print "Mounting $dmgPath at $mountPoint\n";
return system("hdiutil", "attach", "-mountpoint", $mountPoint, "-nobrowse", $dmgPath) == 0;
}
sub unmountDMG($)
{
my ($mountPoint) = @_;
print "Unmounting disk image from $mountPoint\n";
my $exitCode = system("hdiutil", "detach", $mountPoint);
return exitStatus($exitCode) == 0;
}
sub runInstaller($)
{
my ($installerPackage) = @_;
print "sudo will now ask for your password to run the Python installer.\n";
print "The installer will install Python in /Library/Frameworks/Python.framework\n";
print "and add symlinks from /usr/local/bin.\n";
return system("sudo", "installer", "-verbose", "-pkg", $installerPackage, "-target", "/") == 0;
}
sub downloadAndMountMacPythonDMG($$)
{
my ($pythonURL, $pythonMD5) = @_;
my $localFilename = basename($pythonURL);
my $localPath = File::Spec->join($downloadDirectory, $localFilename);
downloadFileToPath($pythonURL, $localPath) or die "Failed to download $pythonURL";
checkMD5($localPath, $pythonMD5) or die "MD5 check failed on $localPath";
return mountDMG($localPath, $mountPoint);
}
sub installMacPython()
{
downloadAndMountMacPythonDMG($macPythonURL, $macPythonMD5) or die "Failed to download and mount disk image.";
print "Mounted python install image at: $mountPoint\n";
my $installerPackage = File::Spec->join($mountPoint, $macPythonInstallerName);
my $installSuccess = runInstaller($installerPackage);
unmountDMG($mountPoint) or die "Failed to unmount disk image from $mountPoint";
return $installSuccess;
}
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;
if (!isTiger()) {
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;
}
installMacPython() or die "Failed to install Python.";
checkPythonVersion() or die "Final version check failed, must have failed to update Python";
print "Successfully updated python.\n";
}
exit(main());
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