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

"""

ABGLEICH
zfs sync tool
https://github.com/pleiszenburg/abgleich

    docs/source/version.py: Package version parser

    Copyright (C) 2019-2026 Sebastian M. Ernst <ernst@pleiszenburg.de>

<LICENSE_BLOCK>
The contents of this file are subject to the GNU Lesser General Public License
Version 2.1 ("LGPL" or "License"). You may not use this file except in
compliance with the License. You may obtain a copy of the License at
https://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
https://github.com/pleiszenburg/abgleich/blob/release_0.1/LICENSE

Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
specific language governing rights and limitations under the License.
</LICENSE_BLOCK>

"""

# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# IMPORT
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

import ast
import os

# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# CONFIG
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

SRC_DIR = "src"

# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# ROUTINES
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


def parse_version(code: str) -> str:

    tree = ast.parse(code)

    for item in tree.body:
        if not isinstance(item, ast.Assign):
            continue
        if len(item.targets) != 1:
            continue
        if item.targets[0].id != "__version__":
            continue
        return item.value.s


def get_version() -> str:

    path = os.path.join(
        os.path.dirname(__file__),
        "..",
        "..",
        SRC_DIR,
        "abgleich",
        "__init__.py",
    )

    with open(path, "r", encoding="utf-8") as f:
        version = parse_version(f.read())

    return version
