slpkg/slpkg/gpg_verify.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-


import subprocess

from slpkg.configs import Configs
from slpkg.views.asciibox import AsciiBox
from slpkg.views.views import View
from slpkg.views.view_process import ViewProcess


class GPGVerify(Configs):  # pylint: disable=[R0903]
    """GPG verify files."""

    def __init__(self):
        super(Configs, self).__init__()
        self.ascii = AsciiBox()
        self.view = View()
        self.view_process = ViewProcess()

    def verify(self, asc_files: list) -> None:
        """Verify files with gpg tool.

        Args:
            asc_files (list): List of files.
        """
        if self.gpg_verification:
            output: dict = {}
            gpg_command: str = 'gpg --verify'
            self.view_process.message('Verify files with GPG')

            for file in asc_files:

                with subprocess.Popen(f'{gpg_command} {file}', shell=True, stdout=subprocess.PIPE,
                                      stderr=subprocess.STDOUT, text=True) as process:

                    process.wait()

                    output[file.name] = process.returncode

            all_zero = all(value == 0 for value in output.values())
            if all_zero:
                self.view_process.done()
            else:
                self.view_process.failed()
                for file, code in output.items():
                    if code != 0:
                        print(f"{'':>2}{self.red}Error{self.endc} {code}: {file}")
                        self.view.question()