0UT1S's

:param options: the parsed options as defined within :meth:`add_parser_arguments`
        """
        self._has_run = False
        self._interpreter = None
        self._env = options.env

@abstractmethod
    def run(self):
        """
        Discovers an interpreter.

:return: the interpreter ready to use for virtual environment creation
        """
        raise NotImplementedError

@property
    def interpreter(self):
        """:return: the interpreter as returned by :meth:`run`, cached"""
        if self._has_run is False:
            self._interpreter = self.run()
            self._has_run = True
        return self._interpreter

__all__ = [
    "Discover",
]