import pathlib

from .file import file
from .command import command

class abstract(TypeError):
    def __init__(self) -> None:
        super().__init__("This is abstract function.")

class not_exists(RuntimeError):
    def __init__(self, target: pathlib.Path) -> None:
        super().__init__("File \"" + str(target) + "\" not exists.")

class already_packed(RuntimeError):
    def __init__(self, target: file) -> None:
        super().__init__(
            "File for \"" + target.path_name + "\" already packed."
        )

class broken_package(RuntimeError):
    def __init__(self, error: Exception) -> None:
        super().__init__("Can not unpack broken package.\n" + str(error))

class not_readable(Exception):
    def __init__(self, target: pathlib.Path, error: Exception) -> None:
        super().__init__(
            "File \"" + str(target) + "\" can not being read. " \
            + "Because of \"" + str(error) + "\" exception."
        )