9b95aa0a35
Signed-off-by: Dean Troyer <dtroyer@gmail.com>
268 lines
8.2 KiB
Python
268 lines
8.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# coding: utf-8
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#
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# Copyright 2013 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# Copyright (c) 2013-2015 Wind River Systems, Inc.
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#
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from oslo_utils import strutils
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import re
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import six
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import wsme
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from wsme import types as wtypes
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from sysinv.common import exception
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from sysinv.common import utils
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from sysinv.api.controllers.v1 import utils as apiutils
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from sysinv.openstack.common.gettextutils import _
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class MACAddressType(wtypes.UserType):
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"""A simple MAC address type."""
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basetype = wtypes.text
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name = 'macaddress'
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@staticmethod
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def validate(value):
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return utils.validate_and_normalize_mac(value)
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@staticmethod
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def frombasetype(value):
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return MACAddressType.validate(value)
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class UUIDType(wtypes.UserType):
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"""A simple UUID type."""
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basetype = wtypes.text
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name = 'uuid'
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# FIXME(lucasagomes): When used with wsexpose decorator WSME will try
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# to get the name of the type by accessing it's __name__ attribute.
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# Remove this __name__ attribute once it's fixed in WSME.
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# https://bugs.launchpad.net/wsme/+bug/1265590
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__name__ = name
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@staticmethod
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def validate(value):
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if not utils.is_uuid_like(value):
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raise exception.InvalidUUID(uuid=value)
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return value
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@staticmethod
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def frombasetype(value):
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if value is None:
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return None
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return UUIDType.validate(value)
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class BooleanType(wtypes.UserType):
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"""A simple boolean type."""
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basetype = wtypes.text
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name = 'boolean'
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@staticmethod
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def validate(value):
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try:
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return strutils.bool_from_string(value, strict=True)
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except ValueError as e:
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# raise Invalid to return 400 (BadRequest) in the API
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raise exception.Invalid(six.text_type(e))
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@staticmethod
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def frombasetype(value):
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if value is None:
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return None
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return BooleanType.validate(value)
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class IPAddressType(wtypes.UserType):
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"""A generic IP address type that supports both IPv4 and IPv6."""
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basetype = wtypes.text
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name = 'ipaddress'
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# FIXME(lucasagomes): When used with wsexpose decorator WSME will try
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# to get the name of the type by accessing it's __name__ attribute.
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# Remove this __name__ attribute once it's fixed in WSME.
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# https://bugs.launchpad.net/wsme/+bug/1265590
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__name__ = name
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@staticmethod
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def validate(value):
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if not utils.is_valid_ip(value):
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raise exception.InvalidIPAddress(address=value)
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return value
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@staticmethod
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def frombasetype(value):
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if value is None:
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return None
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return IPAddressType.validate(value)
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macaddress = MACAddressType()
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uuid = UUIDType()
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boolean = BooleanType()
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ipaddress = IPAddressType()
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class ApiDictType(wtypes.UserType):
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name = 'apidict'
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__name__ = name
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basetype = {wtypes.text: apiutils.ValidTypes(wtypes.text, six.integer_types)}
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apidict = ApiDictType()
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# TODO(lucasagomes): WSME already has this StringType implementation on trunk,
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# so remove it on the next WSME release (> 0.5b6)
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class StringType(wtypes.UserType):
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"""A simple string type. Can validate a length and a pattern.
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:param min_length: Possible minimum length
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:param max_length: Possible maximum length
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:param pattern: Possible string pattern
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Example::
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Name = StringType(min_length=1, pattern='^[a-zA-Z ]*$')
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"""
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basetype = six.string_types
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name = "string"
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def __init__(self, min_length=None, max_length=None, pattern=None):
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self.min_length = min_length
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self.max_length = max_length
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if isinstance(pattern, six.string_types):
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self.pattern = re.compile(pattern)
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else:
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self.pattern = pattern
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def validate(self, value):
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if not isinstance(value, self.basetype):
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error = 'Value should be string'
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raise ValueError(error)
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if self.min_length is not None and len(value) < self.min_length:
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error = 'Value should have a minimum character requirement of %s' \
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% self.min_length
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raise ValueError(error)
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if self.max_length is not None and len(value) > self.max_length:
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error = 'Value should have a maximum character requirement of %s' \
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% self.max_length
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raise ValueError(error)
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if value != 'nameservers=NC' or value != 'ntpservers=NC':
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if self.pattern is not None and not self.pattern.match(value):
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error = 'Value should match the pattern %s' % self.pattern.pattern
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raise ValueError(error)
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return value
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class JsonPatchType(wtypes.Base):
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"""A complex type that represents a single json-patch operation."""
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path = wtypes.wsattr(StringType(pattern='^(/[\w-]+)+$'), mandatory=True)
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op = wtypes.wsattr(wtypes.Enum(str, 'add', 'replace', 'remove'),
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mandatory=True)
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# TODO(jgauld): Should get most recent ironic JsonType/value_types
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value = apiutils.ValidTypes(wtypes.text, six.integer_types, float)
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@staticmethod
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def internal_attrs():
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"""Returns a list of internal attributes.
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Internal attributes can't be added, replaced or removed. This
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method may be overwritten by derived class.
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"""
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return ['/created_at', '/id', '/links', '/updated_at', '/uuid']
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@staticmethod
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def mandatory_attrs():
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"""Retruns a list of mandatory attributes.
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Mandatory attributes can't be removed from the document. This
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method should be overwritten by derived class.
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"""
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return []
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@staticmethod
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def validate(patch):
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if patch.path in patch.internal_attrs():
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msg = _("'%s' is an internal attribute and can not be updated")
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raise wsme.exc.ClientSideError(msg % patch.path)
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if patch.path in patch.mandatory_attrs() and patch.op == 'remove':
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msg = _("'%s' is a mandatory attribute and can not be removed")
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raise wsme.exc.ClientSideError(msg % patch.path)
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if patch.op == 'add':
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if patch.path.count('/') == 1:
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msg = _('Adding a new attribute (%s) to the root of '
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' the resource is not allowed')
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raise wsme.exc.ClientSideError(msg % patch.path)
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if patch.op != 'remove':
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if not patch.value:
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msg = _("Edit and Add operation of the field requires "
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"non-empty value.")
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raise wsme.exc.ClientSideError(msg)
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ret = {'path': patch.path, 'op': patch.op}
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if patch.value:
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ret['value'] = patch.value
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return ret
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class MultiType(wtypes.UserType):
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"""A complex type that represents one or more types.
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Used for validating that a value is an instance of one of the types.
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:param *types: Variable-length list of types.
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"""
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def __init__(self, types):
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self.types = types
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def validate(self, value):
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for t in self.types:
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if t is wsme.types.text and isinstance(value, wsme.types.bytes):
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value = value.decode()
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if isinstance(t, list):
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if isinstance(value, list):
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for v in value:
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if not isinstance(v, t[0]):
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break
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else:
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return value
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elif isinstance(value, t):
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return value
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else:
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raise ValueError(
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_("Wrong type. Expected '%(type)s', got '%(value)s'")
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% {'type': self.types, 'value': type(value)})
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