shaka-packager/tools/symsrc/img_fingerprint.py

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#!/usr/bin/env python
# Copyright (c) 2011 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Retrieves an image's "fingerprint".
This is used when retrieving the image from the symbol server. The .dll (or cab
compressed .dl_) or .exe is expected at a path like:
foo.dll/FINGERPRINT/foo.dll
"""
import sys
import pefile
def GetImgFingerprint(filename):
"""Returns the fingerprint for an image file"""
pe = pefile.PE(filename)
return "%08X%06x" % (
pe.FILE_HEADER.TimeDateStamp, pe.OPTIONAL_HEADER.SizeOfImage)
def main():
if len(sys.argv) != 2:
print "usage: file.dll"
return 1
print GetImgFingerprint(sys.argv[1])
return 0
if __name__ == '__main__':
sys.exit(main())