Revert of Turn components/crash into a layered component.

components/crash/tools/dmp2minidump.py

+#!/usr/bin/env python
+# Copyright 2013 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.
+
+"""A tool to extract minidumps from dmp crash dumps."""
+
+import os
+import sys
+from cgi import parse_multipart
+
+
+def ProcessDump(dump_file, minidump_file):
+  """Extracts the part of the dump file that minidump_stackwalk can read.
+
+  The dump files generated by the breakpad integration multi-part form data
+  that include the minidump as file attachment.
+
+  Args:
+    dump_file: the dump file that needs to be processed.
+    minidump_file: the file to write the minidump to.
+  """
+  try:
+    dump = open(dump_file, 'rb')
+    boundary = dump.readline().strip()[2:]
+    data = parse_multipart(dump, {'boundary': boundary})
+  except:
+    print 'Failed to read dmp file %s' % dump_file
+    return
+
+  if not 'upload_file_minidump' in data:
+    print 'Could not find minidump file in dump.'
+    return
+
+  f = open(minidump_file, 'w')
+  f.write("\r\n".join(data['upload_file_minidump']))
+  f.close()
+
+
+def main():
+  if len(sys.argv) != 3:
+    print 'Usage: %s [dmp file] [minidump]' % sys.argv[0]
+    print ''
+    print 'Extracts the minidump stored in the crash dump file'
+    return 1
+
+  ProcessDump(sys.argv[1], sys.argv[2])
+
+
+if '__main__' == __name__:
+  sys.exit(main())