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- #!/usr/bin/env python
- # Copyright 2016 Google Inc.
- #
- # Use of this source code is governed by a BSD-style license that can be
- # found in the LICENSE file.
- import hashlib
- import os
- import shutil
- import stat
- import sys
- import urllib2
- os.chdir(os.path.join(os.path.dirname(__file__), os.pardir))
- dst = 'bin/gn.exe' if 'win32' in sys.platform else 'bin/gn'
- sha1 = '2f27ff0b6118e5886df976da5effa6003d19d1ce' if 'linux' in sys.platform else \
- '9be792dd9010ce303a9c3a497a67bcc5ac8c7666' if 'darwin' in sys.platform else \
- 'eb69be2d984b4df60a8c21f598135991f0ad1742' # Windows
- def sha1_of_file(path):
- h = hashlib.sha1()
- if os.path.isfile(path):
- with open(path, 'rb') as f:
- h.update(f.read())
- return h.hexdigest()
- if sha1_of_file(dst) != sha1:
- with open(dst, 'wb') as f:
- f.write(urllib2.urlopen('https://chromium-gn.storage-download.googleapis.com/' + sha1).read())
- os.chmod(dst, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |
- stat.S_IRGRP | stat.S_IXGRP |
- stat.S_IROTH | stat.S_IXOTH )
- # We'll also copy to a path that depot_tools' GN wrapper will expect to find the binary.
- copy_path = 'buildtools/linux64/gn' if 'linux' in sys.platform else \
- 'buildtools/mac/gn' if 'darwin' in sys.platform else \
- 'buildtools/win/gn.exe'
- if os.path.isdir(os.path.dirname(copy_path)):
- shutil.copy(dst, copy_path)
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