def _validate_choices_type(self):
allowed_types = (list, tuple, set, )
# Prohibit user from giving any data type in choices attribute
msg = u"choices: {} should of any one of the type {}".format(
self.choices, allowed_types)
if not isinstance(self.choices, allowed_types):
return ValidationResult(is_success=False, reason=msg)
return ValidationResult(is_success=True)
def validate(self, request, value):
validation_result = super(BooleanField, self).validate(request, value)
if not validation_result.is_success:
return validation_result
if self.nullable and value is None:
return ValidationResult(is_success=True)
if value == DEFAULT_FIELD_VALUE:
return ValidationResult(is_success=True)
if not isinstance(value, bool):
return ValidationResult(is_success=False,
reason='Expected type Boolean')
return ValidationResult(is_success=True)
def validate(self, request, value):
"""
This is not for business validation
This should be only used for type validation
Hence the only input is the value of the field
:param value:
:return:
"""
if self.required and value == DEFAULT_FIELD_VALUE:
return ValidationResult(is_success=False,
reason='This field is required')
if not self.nullable and value is None:
return ValidationResult(is_success=False,
reason='null is not a valid value')
return ValidationResult(is_success=True)
def validate(self, request, value):
validation_result = super(SchemaField, self).validate(request, value)
if not validation_result.is_success:
return validation_result
if value == DEFAULT_FIELD_VALUE:
return ValidationResult(is_success=True)
if value is None and self.nullable:
return ValidationResult(is_success=True)
errors = self.validator.validate_data(request, value)
if errors:
return ValidationResult(is_success=False, reason=errors)
return ValidationResult(is_success=True)
def validate(self, request, value):
validation_result = super(UrlField, self).validate(request, value)
if not validation_result.is_success:
return validation_result
if self.nullable and value is None:
return ValidationResult(is_success=True)
if value == DEFAULT_FIELD_VALUE:
return ValidationResult(is_success=True)
if not self.required and not value:
return ValidationResult(is_success=True)
if not UrlValidator().validate(url=value):
return ValidationResult(is_success=False,
reason=u"The url is not valid")
return ValidationResult(is_success=True)
def validate(self, request, value):
validation_result = super(ChoiceField, self).validate(request, value)
if not validation_result.is_success:
return validation_result
if value == DEFAULT_FIELD_VALUE:
return ValidationResult(is_success=True)
# Check it is possible to do validation.
result = self._validate_choices_type()
if not result.is_success:
return result
if value in self.choices:
return ValidationResult(is_success=True)
return ValidationResult(
is_success=False, reason=u"{} isn't valid choice".format(value))
def validate(self, request, value):
errors = []
validation_result = super(ListField, self).validate(request, value)
if not validation_result.is_success:
return validation_result
value = value if value not in (DEFAULT_FIELD_VALUE, None) else []
if self.nullable and value is None:
return ValidationResult(is_success=True)
for item in value:
validation_result = self.field.validate(request, item)
if not validation_result.is_success:
errors.append(validation_result.reason)
if errors:
return ValidationResult(is_success=False, reason=errors)
else:
return ValidationResult(is_success=True)