struct-types 0.0.0

Static + runtime class declaration level interface validation

Struct Types

Validate your classes against interfaces the familiar way, just import does

Example

from abc import abstractmethod
from typing import Protocol, runtime_checkable

from does import does

@runtime_checkable
class Notifier(Protocol):
    @abstractmethod
    def notify(self):
        pass


class EmailService:
    def __init__(self):
        does(Notifier).match(EmailService)
        # Type mismatch; EmailService does not implement .notify