1 # Copyright (c) 2010 Google Inc. All rights reserved.
3 # Redistribution and use in source and binary forms, with or without
4 # modification, are permitted provided that the following conditions are
7 # * Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
9 # * Redistributions in binary form must reproduce the above
10 # copyright notice, this list of conditions and the following disclaimer
11 # in the documentation and/or other materials provided with the
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15 # this software without specific prior written permission.
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33 class PrettyPatch(object):
34 # FIXME: PrettyPatch should not require checkout_root.
35 def __init__(self, executive, checkout_root):
36 self._executive = executive
37 self._checkout_root = checkout_root
39 def pretty_diff_file(self, diff):
40 # Diffs can contain multiple text files of different encodings
41 # so we always deal with them as byte arrays, not unicode strings.
42 assert(isinstance(diff, str))
43 pretty_diff = self.pretty_diff(diff)
44 diff_file = tempfile.NamedTemporaryFile(suffix=".html")
45 diff_file.write(pretty_diff)
49 def pretty_diff(self, diff):
50 # pretify.rb will hang forever if given no input.
51 # Avoid the hang by returning an empty string.
55 pretty_patch_path = os.path.join(self._checkout_root,
56 "Websites", "bugs.webkit.org",
58 prettify_path = os.path.join(pretty_patch_path, "prettify.rb")
65 # PrettyPatch does not modify the encoding of the diff output
66 # so we can't expect it to be utf-8.
67 return self._executive.run_command(args, input=diff, decode_output=False)