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# 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.
import six
from wsme import types as wtypes
class ExceptionType(wtypes.UserType):
basetype = wtypes.DictType
name = 'exception'
def validate(self, value):
if not isinstance(value, BaseException):
raise ValueError('Value is not an exception')
return value
def tobasetype(self, value):
"""Turn a RESTError into a dict."""
return {
'type': value.__class__.__name__,
'code': value.status_code,
'message': value.message,
'details': value.details,
}
frombasetype = tobasetype
exception_type = ExceptionType()
class MultiType(wtypes.UserType):
"""A complex type that represents one or more types.
Used for validating that a value is an instance of one of the types.
:param *types: Variable-length list of types.
"""
def __init__(self, *types):
self.types = types
def __str__(self):
return ' | '.join(map(str, self.types))
def validate(self, value):
for t in self.types:
if t is wtypes.text and isinstance(value, wtypes.bytes):
value = value.decode()
if isinstance(value, t):
return value
else:
raise ValueError(
"Wrong type. Expected '{type}', got '{value}'".format(
type=self.types, value=type(value)))
json_type = MultiType(list, dict, six.integer_types, wtypes.text)
class APIBase(wtypes.Base):
pass
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