tacker.api.validation.validators module

Internal implementation of request Body validating middleware.

class tacker.api.validation.validators.FormatChecker(formats: Iterable[str] | None = None)

Bases: FormatChecker

A FormatChecker can output the message from cause exception

We need understandable validation errors messages for users. When a custom checker has an exception, the FormatChecker will output a readable message provided by the checker.

check(param_value, format)

Check whether the param_value conforms to the given format.

  • param_value – the param_value to check

  • format (str) – the format that param_value should conform to


any primitive type (str, number, bool)


FormatError if param_value does not conform to format


Validate instance is a MAC address


Validate instance is a MAC address