|
|
# Copyright 2016-present Facebook, 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 Facebook 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 HOLDER 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.
|
|
|
|
|
|
from __future__ import absolute_import
|
|
|
from __future__ import division
|
|
|
from __future__ import print_function
|
|
|
# no unicode literals
|
|
|
|
|
|
'''Module to deal with filename encoding on the local system, as returned by
|
|
|
Watchman.'''
|
|
|
|
|
|
import sys
|
|
|
|
|
|
from . import (
|
|
|
compat,
|
|
|
)
|
|
|
|
|
|
if compat.PYTHON3:
|
|
|
default_local_errors = 'surrogateescape'
|
|
|
|
|
|
def get_local_encoding():
|
|
|
if sys.platform == 'win32':
|
|
|
# Watchman always returns UTF-8 encoded strings on Windows.
|
|
|
return 'utf-8'
|
|
|
# On the Python 3 versions we support, sys.getfilesystemencoding never
|
|
|
# returns None.
|
|
|
return sys.getfilesystemencoding()
|
|
|
else:
|
|
|
# Python 2 doesn't support surrogateescape, so use 'strict' by
|
|
|
# default. Users can register a custom surrogateescape error handler and use
|
|
|
# that if they so desire.
|
|
|
default_local_errors = 'strict'
|
|
|
|
|
|
def get_local_encoding():
|
|
|
if sys.platform == 'win32':
|
|
|
# Watchman always returns UTF-8 encoded strings on Windows.
|
|
|
return 'utf-8'
|
|
|
fsencoding = sys.getfilesystemencoding()
|
|
|
if fsencoding is None:
|
|
|
# This is very unlikely to happen, but if it does, just use UTF-8
|
|
|
fsencoding = 'utf-8'
|
|
|
return fsencoding
|
|
|
|
|
|
def encode_local(s):
|
|
|
return s.encode(get_local_encoding(), default_local_errors)
|
|
|
|
|
|
def decode_local(bs):
|
|
|
return bs.decode(get_local_encoding(), default_local_errors)
|
|
|
|