def validate(self, instance):
val = getattr(instance, self.name)
errors = []
# type_validation
if val and not isinstance(val, self.acceptable_types()):
errors.append((
self.name,
'bad type',
))
# validate first standard stuff
if self.required:
if val is None or not unicode(val).strip():
errors.append((self.name, 'required'))
# validate uniquness
if val and self.unique:
error = self.validate_uniqueness(instance, val)
if error:
errors.append(error)
# validate using validator
if self.validator:
r = self.validator(self.name, val)
if r:
errors.extend(r)
if errors:
raise FieldValidationError(errors)
def validate(self, instance):
errors = []
try:
super(CharField, self).validate(instance)
except FieldValidationError as err:
errors.extend(err.errors)
val = getattr(instance, self.name)
if val and len(val) > self.max_length:
errors.append((self.name, 'exceeds max length'))
if errors:
raise FieldValidationError(errors)
def validate(self, instance):
val = getattr(instance, self.name)
errors = []
if val:
if not isinstance(val, self.value_type()):
errors.append((self.name, 'bad type for reference'))
# validate first standard stuff
if self.required:
if not val:
errors.append((self.name, 'required'))
# validate using validator
if self.validator:
r = self.validator(val)
if r:
errors.extend(r)
if errors:
raise FieldValidationError(errors)