b5c9dc1c9f
Closes-Bug: #1853367 Change-Id: Ifb15ce50fc3bcfda9532a2c3dec542c272ea4933
77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
# Copyright (c) 2010-2012 OpenStack Foundation
|
|
#
|
|
# 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 six
|
|
|
|
|
|
class HeaderKeyDict(dict):
|
|
"""
|
|
A dict that title-cases all keys on the way in, so as to be
|
|
case-insensitive.
|
|
|
|
Note that all keys and values are expected to be wsgi strings,
|
|
though some allowances are made when setting values.
|
|
"""
|
|
def __init__(self, base_headers=None, **kwargs):
|
|
if base_headers:
|
|
self.update(base_headers)
|
|
self.update(kwargs)
|
|
|
|
@staticmethod
|
|
def _title(s):
|
|
if six.PY2:
|
|
return s.title()
|
|
else:
|
|
return s.encode('latin1').title().decode('latin1')
|
|
|
|
def update(self, other):
|
|
if hasattr(other, 'keys'):
|
|
for key in other.keys():
|
|
self[self._title(key)] = other[key]
|
|
else:
|
|
for key, value in other:
|
|
self[self._title(key)] = value
|
|
|
|
def __getitem__(self, key):
|
|
return dict.get(self, self._title(key))
|
|
|
|
def __setitem__(self, key, value):
|
|
key = self._title(key)
|
|
if value is None:
|
|
self.pop(key, None)
|
|
elif six.PY2 and isinstance(value, six.text_type):
|
|
return dict.__setitem__(self, key, value.encode('utf-8'))
|
|
elif six.PY3 and isinstance(value, six.binary_type):
|
|
return dict.__setitem__(self, key, value.decode('latin-1'))
|
|
else:
|
|
return dict.__setitem__(self, key, str(value))
|
|
|
|
def __contains__(self, key):
|
|
return dict.__contains__(self, self._title(key))
|
|
|
|
def __delitem__(self, key):
|
|
return dict.__delitem__(self, self._title(key))
|
|
|
|
def get(self, key, default=None):
|
|
return dict.get(self, self._title(key), default)
|
|
|
|
def setdefault(self, key, value=None):
|
|
if key not in self:
|
|
self[key] = value
|
|
return self[key]
|
|
|
|
def pop(self, key, default=None):
|
|
return dict.pop(self, self._title(key), default)
|