mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
# Copyright (c) 2010 Google Inc. All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are
|
|
# met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above
|
|
# copyright notice, this list of conditions and the following disclaimer
|
|
# in the documentation and/or other materials provided with the
|
|
# distribution.
|
|
# * Neither the name of Google Inc. nor the names of its
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
import os
|
|
import tempfile
|
|
|
|
|
|
class PrettyPatch(object):
|
|
def __init__(self, executive):
|
|
self._executive = executive
|
|
|
|
def pretty_diff_file(self, diff):
|
|
# Diffs can contain multiple text files of different encodings
|
|
# so we always deal with them as byte arrays, not unicode strings.
|
|
assert(isinstance(diff, str))
|
|
pretty_diff = self.pretty_diff(diff)
|
|
diff_file = tempfile.NamedTemporaryFile(suffix=".html")
|
|
diff_file.write(pretty_diff)
|
|
diff_file.flush()
|
|
return diff_file
|
|
|
|
def pretty_diff(self, diff):
|
|
# pretify.rb will hang forever if given no input.
|
|
# Avoid the hang by returning an empty string.
|
|
if not diff:
|
|
return ""
|
|
|
|
pretty_patch_path = os.path.join(os.path.dirname(__file__), '..', '..',
|
|
'third_party', 'PrettyPatch')
|
|
prettify_path = os.path.join(pretty_patch_path, "prettify.rb")
|
|
args = [
|
|
"ruby",
|
|
"-I",
|
|
pretty_patch_path,
|
|
prettify_path,
|
|
]
|
|
# PrettyPatch does not modify the encoding of the diff output
|
|
# so we can't expect it to be utf-8.
|
|
return self._executive.run_command(args, input=diff, decode_output=False)
|