/usr/lib/python3/dist-packages/yapftests/utils.py is in python3-yapf 0.20.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | # -*- coding: utf-8 -*-
# Copyright 2017 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Utilities for tests."""
import contextlib
import io
import os
import sys
import tempfile
@contextlib.contextmanager
def stdout_redirector(stream): # pylint: disable=invalid-name
old_stdout = sys.stdout
sys.stdout = stream
try:
yield
finally:
sys.stdout = old_stdout
# NamedTemporaryFile is useless because on Windows the temporary file would be
# created with O_TEMPORARY, which would not allow the file to be opened a
# second time, even by the same process, unless the same flag is used.
# Thus we provide a simplifed version ourselfs.
#
# Note: returns a tuple of (io.file_obj, file_path), instead of a file_obj with
# a .name attribute
#
# Note: `buffering` is set to -1 despite documentation of NamedTemporaryFile
# says None. This is probably a problem with the python documenation.
@contextlib.contextmanager
def NamedTempFile(mode='w+b',
buffering=-1,
encoding=None,
errors=None,
newline=None,
suffix=None,
prefix=None,
dirname=None,
text=False):
"""Context manager creating a new temporary file in text mode."""
if sys.version_info < (3, 5): # covers also python 2
if suffix is None:
suffix = ''
if prefix is None:
prefix = 'tmp'
(fd, fname) = tempfile.mkstemp(
suffix=suffix, prefix=prefix, dir=dirname, text=text)
f = io.open(
fd,
mode=mode,
buffering=buffering,
encoding=encoding,
errors=errors,
newline=newline)
yield f, fname
f.close()
os.remove(fname)
@contextlib.contextmanager
def TempFileContents(dirname,
contents,
encoding='utf-8',
newline='',
suffix=None):
# Note: NamedTempFile properly handles unicode encoding when using mode='w'
with NamedTempFile(
dirname=dirname,
mode='w',
encoding=encoding,
newline=newline,
suffix=suffix) as (f, fname):
f.write(contents)
f.flush()
yield fname
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