def conflict(self, key, **kwargs):
"""
A helper method that simply raises a validation error.
"""
try:
msg = self.error_messages[key]
except KeyError:
class_name = self.__class__.__name__
msg = MISSING_ERROR_MESSAGE.format(class_name=class_name, key=key)
raise AssertionError(msg)
message_string = msg.format(**kwargs)
raise Conflict(message_string)
def conflict(self, key, **kwargs):
"""
A helper method that simply raises a validation error.
"""
try:
msg = self.error_messages[key]
except KeyError:
class_name = self.__class__.__name__
msg = MISSING_ERROR_MESSAGE.format(class_name=class_name, key=key)
raise AssertionError(msg)
message_string = msg.format(**kwargs)
raise Conflict(message_string)
def fail_for_field(self, key, **kwargs):
"""
A helper method that simply raises a validation error for a field.
"""
try:
field, msg = self.field_error_messages[key]
except KeyError:
class_name = self.__class__.__name__
msg = MISSING_ERROR_MESSAGE.format(class_name=class_name, key=key)
raise AssertionError(msg)
message_string = msg.format(**kwargs)
message = {field: message_string}
raise ValidationError(message, code=key)
def custom_fail(self, key, **kwargs):
"""
A helper method that simply raises a validation error.
If we pass validators to a DRF serializer through the error_messages argument, this allows us
to provide dictionary entries found in validation_errors.py, which are then raised as
CustomValidationErrors.
"""
try:
msg = self.error_messages[key]
except KeyError:
class_name = self.__class__.__name__
msg = MISSING_ERROR_MESSAGE.format(class_name=class_name, key=key)
raise AssertionError(msg)
if isinstance(msg, dict):
# We have passed a dict containing the field, error_text, and error_summary, we want to
# raise a CustomValidationError here
raise CustomValidationError(**msg)
message_string = msg.format(**kwargs)
raise ValidationError(message_string, code=key)
