def _validate(self, value):
if not isinstance(value, str):
raise errors.BadValueError('Expected str, got %r' % (value, ))
if (self._indexed and not isinstance(self, TextProperty)
and len(value) > _MAX_STRING_LENGTH):
raise errors.BadValueError(
'Indexed value %s must be at most %d bytes' %
(self._name, _MAX_STRING_LENGTH))
def _validate(self, value):
if not isinstance(value, Key):
raise errors.BadValueError('Expected Key, got %r' % (value, ))
# Reject incomplete keys.
if not value.id():
raise errors.BadValueError('Expected complete Key, got %r' %
(value, ))
if self._kind is not None:
if value.kind() != self._kind:
raise errors.BadValueError(
'Expected Key with kind=%r, got %r' % (self._kind, value))
def _validate(self, value):
if isinstance(value, dict):
# A dict is assumed to be the result of a _to_dict() call.
return self._modelclass(**value)
if not isinstance(value, self._modelclass):
raise errors.BadValueError('Expected %s instance, got %r' %
(self._modelclass.__name__, value))
def _validate(self, value):
if isinstance(value, str):
# Decode from UTF-8 -- if this fails, we can't write it.
try:
length = len(value)
value = value.decode('utf-8')
except UnicodeError:
raise errors.BadValueError('Expected valid UTF-8, got %r' %
(value, ))
elif isinstance(value, unicode):
length = len(value.encode('utf-8'))
else:
raise errors.BadValueError('Expected string, got %r' % (value, ))
if self._indexed and length > _MAX_STRING_LENGTH:
raise errors.BadValueError(
'Indexed value %s must be at most %d bytes' %
(self._name, _MAX_STRING_LENGTH))
def _validate(self, value):
if self._indexed:
if isinstance(value, unicode):
value = value.encode('utf-8')
if isinstance(value,
basestring) and len(value) > _MAX_STRING_LENGTH:
raise errors.BadValueError(
'Indexed value %s must be at most %d bytes' %
(self._name, _MAX_STRING_LENGTH))
def _validate(self, value):
if not isinstance(value, (int, long, float)):
raise errors.BadValueError('Expected float, got %r' % (value, ))
return float(value)
def _validate(self, value):
if not isinstance(value, (int, long)):
raise errors.BadValueError('Expected integer, got %r' % (value, ))
return int(value)
def _validate(self, value):
if not isinstance(value, datetime.time):
raise errors.BadValueError('Expected time, got %r' % (value, ))
def _validate(self, value):
if not isinstance(value, datastore_types.BlobKey):
raise errors.BadValueError('Expected BlobKey, got %r' % (value, ))
def _validate(self, value):
if not isinstance(value, bool):
raise errors.BadValueError('Expected bool, got %r' % (value, ))
return value
def _validate(self, value):
if not isinstance(value, users.User):
raise errors.BadValueError('Expected User, got %r' % (value, ))
def _validate(self, value):
if not isinstance(value, GeoPt):
raise errors.BadValueError('Expected GeoPt, got %r' % (value, ))
def _comparison(self, op, value):
if value is not None:
return super(ModelKey, self)._comparison(op, value)
raise errors.BadValueError(
"__key__ filter query can't be compared to None")