|
|
# 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.
|
|
|
|
|
|
# no unicode literals
|
|
|
|
|
|
import sys
|
|
|
|
|
|
|
|
|
"""Compatibility module across Python 2 and 3."""
|
|
|
|
|
|
|
|
|
PYTHON2 = sys.version_info < (3, 0)
|
|
|
PYTHON3 = sys.version_info >= (3, 0)
|
|
|
|
|
|
# This is adapted from https://bitbucket.org/gutworth/six, and used under the
|
|
|
# MIT license. See LICENSE for a full copyright notice.
|
|
|
if PYTHON3:
|
|
|
|
|
|
def reraise(tp, value, tb=None):
|
|
|
try:
|
|
|
if value is None:
|
|
|
value = tp()
|
|
|
if value.__traceback__ is not tb:
|
|
|
raise value.with_traceback(tb)
|
|
|
raise value
|
|
|
finally:
|
|
|
value = None
|
|
|
tb = None
|
|
|
|
|
|
|
|
|
else:
|
|
|
exec(
|
|
|
"""
|
|
|
def reraise(tp, value, tb=None):
|
|
|
try:
|
|
|
raise tp, value, tb
|
|
|
finally:
|
|
|
tb = None
|
|
|
""".strip()
|
|
|
)
|
|
|
|
|
|
if PYTHON3:
|
|
|
UNICODE = str
|
|
|
else:
|
|
|
UNICODE = unicode # noqa: F821 We handled versioning above
|
|
|
|
