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PATH: opt / hc_python / lib / python3.12 / site-packages / virtualenv / discovery

"""Virtualenv-specific Discover base class for plugin-based Python discovery."""

from __future__ import annotations

import os
from abc import ABC, abstractmethod
from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from argparse import ArgumentParser
    from collections.abc import Mapping

from python_discovery import PythonInfo

from virtualenv.config.cli.parser import VirtualEnvOptions

class Discover(ABC):
    @classmethod
    def add_parser_arguments(cls, parser: ArgumentParser) -> None:
        raise NotImplementedError

def __init__(self, options: VirtualEnvOptions) -> None:
        self._has_run = False
        self._interpreter: PythonInfo | None = None
        self._env: Mapping[str, str] = options.env if options.env is not None else os.environ

@abstractmethod
    def run(self) -> PythonInfo | None:
        raise NotImplementedError

@property
    def interpreter(self) -> PythonInfo | None:
        """:returns: 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",
]

[+] __pycache__
[-] __init__.py [edit]
[-] discover.py [edit]
[+] ..
[-] builtin.py [edit]
[-] py_info.py [edit]
[-] cached_py_info.py [edit]
[-] py_spec.py [edit]