eggplants/extension-manifest-converter

# Copyright 2021 Google Inc. All Rights Reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#     http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from __future__ import annotations

import os
import sys
import textwrap


class Arguments:
    dict: dict[str, str] = {}
    error = ""

    def parse(self) -> None:
        if len(sys.argv) == 1:
            self.error = self.usage()
            return

        if not os.path.exists(sys.argv[1]):
            self.error = "Source directory doesn't exist."
            return

        dict = {}
        dict["source"] = sys.argv[1]
        self.dict = dict

    def usage(self) -> str:
        return textwrap.dedent(
            """
            usage: python3 emc.py <path>

            A valid path is one of the following:
            Extension zip file
            Extension manifest
            Extension directory

            Test: python3 test.py
            """
        ).strip()