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#!/usr/bin/env python
# Copyright 2017 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
VERSION = '308728-3'
MD5 = '8bec8c34da5d256e27638383667489e5'
import hashlib
import os
import shutil
import tarfile
import urllib2
os.chdir(os.path.dirname(__file__))
if (not os.path.exists('clang_win/md5.txt')
or open('clang_win/md5.txt').read().strip() != MD5):
# Clear out everything and start fresh.
shutil.rmtree('clang_win', ignore_errors=True)
os.mkdir('clang_win')
os.chdir('clang_win')
# Grab the current Clang package.
with open(VERSION + '.tgz', 'wb') as tgz:
url = 'https://commondatastorage.googleapis.com/chromium-browser-clang'
tgz.write(urllib2.urlopen(url + '/Win/clang-' + VERSION + '.tgz').read())
# Extract it.
tarfile.open(VERSION + '.tgz').extractall()
# Write out its hash to md5.txt so that next time is quicker.
h = hashlib.md5()
with open(VERSION + '.tgz', 'rb') as tgz:
h.update(tgz.read())
with open('md5.txt', 'w') as md5:
md5.write(h.hexdigest())
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