jw-pkg/src/python/jw/pkg/cmds/posix/tar/CmdExtract.py

# -*- coding: utf-8 -*-

from __future__ import annotations

from typing import TYPE_CHECKING

from argparse import Namespace, ArgumentParser

from .Cmd import Cmd
from ..CmdTar import CmdTar

from ....lib.FileContext import FileContext

class CmdExtract(Cmd): # export

    def __init__(self, parent: CmdTar) -> None:
        super().__init__(parent, 'x', help="Extract a tar archive")

    def add_arguments(self, parser: ArgumentParser) -> None:
        super().add_arguments(parser)
        parser.add_argument('dst', help='Destination root URI')

    async def _run(self, args: Namespace) -> None:
        async with self.ctx(dst=args.dst) as ctx:
            await ctx.extract(ctx.dst.root)