from __future__ import annotations from abc import ABCMeta, abstractmethod class Seeder(metaclass=ABCMeta): """A seeder will install some seed packages into a virtual environment.""" def __init__(self, options, enabled) -> None: """ Create. :param options: the parsed options as defined within :meth:`add_parser_arguments` :param enabled: a flag weather the seeder is enabled or not """ self.enabled = enabled self.env = options.env @classmethod def add_parser_arguments(cls, parser, interpreter, app_data): """ Add CLI arguments for this seed mechanisms. :param parser: the CLI parser :param app_data: the CLI parser :param interpreter: the interpreter this virtual environment is based of """ raise NotImplementedError @abstractmethod def run(self, creator): """ Perform the seed operation. :param creator: the creator (based of :class:`virtualenv.create.creator.Creator`) we used to create this \ virtual environment """ raise NotImplementedError __all__ = [ "Seeder", ]