b63d4fd6a7
unused config.CONF can be removed to keep code cleaner. Change-Id: I8cf3d871e484b73976c9839d35124db69b24ba20
86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
# Copyright 2011 OpenStack LLC.
|
|
# All Rights Reserved.
|
|
#
|
|
# 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.
|
|
|
|
# Only (de)serialization utils hasn't been removed to decrease requirements
|
|
# number.
|
|
|
|
"""Utility methods for working with WSGI servers."""
|
|
|
|
import datetime
|
|
|
|
from oslo_serialization import jsonutils
|
|
import six
|
|
|
|
from sahara import exceptions
|
|
from sahara.i18n import _
|
|
|
|
|
|
class ActionDispatcher(object):
|
|
"""Maps method name to local methods through action name."""
|
|
|
|
def dispatch(self, *args, **kwargs):
|
|
"""Find and call local method."""
|
|
action = kwargs.pop('action', 'default')
|
|
action_method = getattr(self, str(action), self.default)
|
|
return action_method(*args, **kwargs)
|
|
|
|
def default(self, data):
|
|
raise NotImplementedError()
|
|
|
|
|
|
class DictSerializer(ActionDispatcher):
|
|
"""Default request body serialization."""
|
|
|
|
def serialize(self, data, action='default'):
|
|
return self.dispatch(data, action=action)
|
|
|
|
def default(self, data):
|
|
return ""
|
|
|
|
|
|
class JSONDictSerializer(DictSerializer):
|
|
"""Default JSON request body serialization."""
|
|
|
|
def default(self, data):
|
|
def sanitizer(obj):
|
|
if isinstance(obj, datetime.datetime):
|
|
_dtime = obj - datetime.timedelta(microseconds=obj.microsecond)
|
|
return _dtime.isoformat()
|
|
return six.text_type(obj)
|
|
return jsonutils.dumps(data, default=sanitizer)
|
|
|
|
|
|
class TextDeserializer(ActionDispatcher):
|
|
"""Default request body deserialization."""
|
|
|
|
def deserialize(self, datastring, action='default'):
|
|
return self.dispatch(datastring, action=action)
|
|
|
|
def default(self, datastring):
|
|
return {}
|
|
|
|
|
|
class JSONDeserializer(TextDeserializer):
|
|
|
|
def _from_json(self, datastring):
|
|
try:
|
|
return jsonutils.loads(datastring)
|
|
except ValueError:
|
|
msg = _("cannot understand JSON")
|
|
raise exceptions.MalformedRequestBody(msg)
|
|
|
|
def default(self, datastring):
|
|
return {'body': self._from_json(datastring)}
|