import os from abc import ABCMeta, abstractmethod class Activator(metaclass=ABCMeta): """Generates activate script for the virtual environment""" def __init__(self, options): """Create a new activator generator. :param options: the parsed options as defined within :meth:`add_parser_arguments` """ self.flag_prompt = os.path.basename(os.getcwd()) if options.prompt == "." else options.prompt @classmethod def supports(cls, interpreter): # noqa: U100 """Check if the activation script is supported in the given interpreter. :param interpreter: the interpreter we need to support :return: ``True`` if supported, ``False`` otherwise """ return True @classmethod def add_parser_arguments(cls, parser, interpreter): # noqa: U100,B027 """ Add CLI arguments for this activation script. :param parser: the CLI parser :param interpreter: the interpreter this virtual environment is based of """ @abstractmethod def generate(self, creator): """Generate activate script for the given creator. :param creator: the creator (based of :class:`virtualenv.create.creator.Creator`) we used to create this \ virtual environment """ raise NotImplementedError __all__ = [ "Activator", ]