def _process_field_error(self, e: InvalidModelFieldError, field: str):
if not e.field:
e.field = field
if not e.model:
e.model = self
raise e
def validate(self, value):
if not value:
return
if not isinstance(value, self.type):
raise InvalidModelFieldError(
"should be an instance of '{}'".format(self.type.__name__))
def __set__(self, instance, value):
if value is not None and not isinstance(value, self.model):
try:
value = self.model(value)
except ValueError:
available = [e.value for e in self.model]
raise InvalidModelFieldError("{0} is not a valid option. Use one of {1}".format(value, available))
super().__set__(instance, value)
def validate(self, value):
if not value:
return
if not isinstance(value, collections.MutableSequence):
raise InvalidModelFieldError('should be a list')
for i in value:
for validator in self.validators:
validator(i)
def validate(self, value):
if not value:
return
if value not in self.choices:
raise InvalidModelFieldError('{0} should be in {1}'.format(value, self.choices))
def validate(self, value):
if not value:
return
if not isinstance(value, bool):
raise InvalidModelFieldError('{0} should be a boolean'.format(value))
def validate(self, value):
if not value:
return
if not isinstance(value, int):
raise InvalidModelFieldError('{0} should be an integer'.format(value))
def validate(self, value):
if not value:
return
if not isinstance(value, str):
raise InvalidModelFieldError('{0} should be a string'.format(value))
def validate(self, value):
if value is None:
raise InvalidModelFieldError('is required')
def validate(self, value):
if not value:
return
if not isinstance(value, float):
raise InvalidModelFieldError("{0} should be a float".format(value))