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comparison hgext/fsmonitor/pywatchman/encoding.py @ 30656:16f4b341288d

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fsmonitor: refresh pywatchman to upstream Update to upstream to version c77452. The refresh includes fixes to improve windows compatibility. There is a minor update to 'test-check-py3-compat.t' as c77452 no longer have the py3 compatibility issues the previous version had. # no-check-commit
author Zack Hricz <zphricz@fb.com>
date Thu, 22 Dec 2016 11:22:32 -0800
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children 6469c23a40a2
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30655:f35397fe0c04 30656:16f4b341288d
1 # Copyright 2016-present Facebook, Inc.
2 # All rights reserved.
3 #
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are met:
6 #
7 # * Redistributions of source code must retain the above copyright notice,
8 # this list of conditions and the following disclaimer.
9 #
10 # * Redistributions in binary form must reproduce the above copyright notice,
11 # this list of conditions and the following disclaimer in the documentation
12 # and/or other materials provided with the distribution.
13 #
14 # * Neither the name Facebook nor the names of its contributors may be used to
15 # endorse or promote products derived from this software without specific
16 # prior written permission.
17 #
18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 from __future__ import absolute_import
30 from __future__ import division
31 from __future__ import print_function
32 # no unicode literals
33
34 '''Module to deal with filename encoding on the local system, as returned by
35 Watchman.'''
36
37 import sys
38
39 from . import (
40 compat,
41 )
42
43 if compat.PYTHON3:
44 default_local_errors = 'surrogateescape'
45
46 def get_local_encoding():
47 if sys.platform == 'win32':
48 # Watchman always returns UTF-8 encoded strings on Windows.
49 return 'utf-8'
50 # On the Python 3 versions we support, sys.getfilesystemencoding never
51 # returns None.
52 return sys.getfilesystemencoding()
53 else:
54 # Python 2 doesn't support surrogateescape, so use 'strict' by
55 # default. Users can register a custom surrogateescape error handler and use
56 # that if they so desire.
57 default_local_errors = 'strict'
58
59 def get_local_encoding():
60 if sys.platform == 'win32':
61 # Watchman always returns UTF-8 encoded strings on Windows.
62 return 'utf-8'
63 fsencoding = sys.getfilesystemencoding()
64 if fsencoding is None:
65 # This is very unlikely to happen, but if it does, just use UTF-8
66 fsencoding = 'utf-8'
67 return fsencoding
68
69 def encode_local(s):
70 return s.encode(get_local_encoding(), default_local_errors)
71
72 def decode_local(bs):
73 return bs.decode(get_local_encoding(), default_local_errors)