Method __subclasshook__

code/interface.py:142–147

(cls, subclass)

class FormalParserInterface(metaclass=abc.ABCMeta):
    @classmethod
    def __subclasshook__(cls, subclass):
        return (hasattr(subclass, 'load_data_source') and
                callable(subclass.load_data_source) and
                hasattr(subclass, 'extract_text') and
                callable(subclass.extract_text) or
                NotImplemented)

    @abc.abstractmethod
    def load_data_source(self, path: str, file_name: str):