c112203e0e
I'm tired of creating code churn where I just slap
.decode("nearly arbitrary choice of encoding")
in a bunch of places.
Change-Id: I79b2bc59fed130ca537e96c1074212861d7db6b8
77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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import gettext
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import pkg_resources
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try:
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# First, try to get our version out of PKG-INFO. If we're installed,
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# this'll let us find our version without pulling in pbr. After all, if
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# we're installed on a system, we're not in a Git-managed source tree, so
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# pbr doesn't really buy us anything.
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__version__ = __canonical_version__ = pkg_resources.get_provider(
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pkg_resources.Requirement.parse('swift')).version
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except pkg_resources.DistributionNotFound:
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# No PKG-INFO? We're probably running from a checkout, then. Let pbr do
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# its thing to figure out a version number.
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import pbr.version
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_version_info = pbr.version.VersionInfo('swift')
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__version__ = _version_info.release_string()
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__canonical_version__ = _version_info.version_string()
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_localedir = os.environ.get('SWIFT_LOCALEDIR')
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_t = gettext.translation('swift', localedir=_localedir, fallback=True)
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def gettext_(msg):
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return _t.gettext(msg)
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if (3, 0) <= sys.version_info[:2] <= (3, 5):
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# In the development of py3, json.loads() stopped accepting byte strings
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# for a while. https://bugs.python.org/issue17909 got fixed for py36, but
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# since it was termed an enhancement and not a regression, we don't expect
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# any backports. At the same time, it'd be better if we could avoid
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# leaving a whole bunch of json.loads(resp.body.decode(...)) scars in the
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# code that'd probably persist even *after* we drop support for 3.5 and
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# earlier. So, monkey patch stdlib.
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import json
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if not getattr(json.loads, 'patched_to_decode', False):
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class JsonLoadsPatcher(object):
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def __init__(self, orig):
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self._orig = orig
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def __call__(self, s, **kw):
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if isinstance(s, bytes):
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# No fancy byte-order mark detection for us; just assume
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# UTF-8 and raise a UnicodeDecodeError if appropriate.
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s = s.decode('utf8')
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return self._orig(s, **kw)
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def __getattribute__(self, attr):
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if attr == 'patched_to_decode':
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return True
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if attr == '_orig':
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return super().__getattribute__(attr)
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# Pass through all other attrs to the original; among other
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# things, this preserves doc strings, etc.
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return getattr(self._orig, attr)
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json.loads = JsonLoadsPatcher(json.loads)
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del JsonLoadsPatcher
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