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# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
#
# 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.
import os
import sys
import gettext
import warnings
__version__ = None
# First, try to get our version out of PKG-INFO. If we're installed,
# this'll let us find our version without pulling in pbr. After all, if
# we're installed on a system, we're not in a Git-managed source tree, so
# pbr doesn't really buy us anything.
try:
import importlib.metadata
except ImportError:
# python < 3.8
import pkg_resources
try:
__version__ = __canonical_version__ = pkg_resources.get_provider(
pkg_resources.Requirement.parse('swift')).version
except pkg_resources.DistributionNotFound:
pass
else:
try:
__version__ = __canonical_version__ = importlib.metadata.distribution(
'swift').version
except importlib.metadata.PackageNotFoundError:
pass
if __version__ is None:
# No PKG-INFO? We're probably running from a checkout, then. Let pbr do
# its thing to figure out a version number.
import pbr.version
_version_info = pbr.version.VersionInfo('swift')
__version__ = _version_info.release_string()
__canonical_version__ = _version_info.version_string()
_localedir = os.environ.get('SWIFT_LOCALEDIR')
_t = gettext.translation('swift', localedir=_localedir, fallback=True)
def gettext_(msg):
return _t.gettext(msg)
if (3, 0) <= sys.version_info[:2] <= (3, 5):
# In the development of py3, json.loads() stopped accepting byte strings
# for a while. https://bugs.python.org/issue17909 got fixed for py36, but
# since it was termed an enhancement and not a regression, we don't expect
# any backports. At the same time, it'd be better if we could avoid
# leaving a whole bunch of json.loads(resp.body.decode(...)) scars in the
# code that'd probably persist even *after* we drop support for 3.5 and
# earlier. So, monkey patch stdlib.
import json
if not getattr(json.loads, 'patched_to_decode', False):
class JsonLoadsPatcher(object):
def __init__(self, orig):
self._orig = orig
def __call__(self, s, **kw):
if isinstance(s, bytes):
# No fancy byte-order mark detection for us; just assume
# UTF-8 and raise a UnicodeDecodeError if appropriate.
s = s.decode('utf8')
return self._orig(s, **kw)
def __getattribute__(self, attr):
if attr == 'patched_to_decode':
return True
if attr == '_orig':
return super().__getattribute__(attr)
# Pass through all other attrs to the original; among other
# things, this preserves doc strings, etc.
return getattr(self._orig, attr)
json.loads = JsonLoadsPatcher(json.loads)
del JsonLoadsPatcher
warnings.filterwarnings('ignore', module='cryptography|OpenSSL', message=(
'Python 2 is no longer supported by the Python core team. '
'Support for it is now deprecated in cryptography'))
warnings.filterwarnings('ignore', message=(
'Python 3.6 is no longer supported by the Python core team. '
'Therefore, support for it is deprecated in cryptography'))
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