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# SPDX-License-Identifier: GPL-3.0-or-later
# Functions to operate on version numbers.
#
# This file is part of Hydrilla&Haketilo.
#
# Copyright (C) 2021, 2022 Wojtek Kosior
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
#
# I, Wojtek Kosior, thereby promise not to sue for violation of this
# file's license. Although I request that you do not make use of this
# code in a proprietary program, I am not going to enforce this in
# court.
"""
This module contains functions for deconstruction and construction of version
strings and version tuples.
"""
import typing as t
from itertools import takewhile
from . import _version
VerTuple = t.NewType('VerTuple', 't.Tuple[int, ...]')
def normalize(ver: t.Sequence[int]) -> VerTuple:
"""Strip rightmost zeroes from 'ver'."""
new_len = 0
for i, num in enumerate(ver):
if num != 0:
new_len = i + 1
return VerTuple(tuple(ver[:new_len]))
def parse(ver_str: str) -> t.Tuple[int, ...]:
"""
Convert 'ver_str' into an array representation, e.g. for ver_str="4.6.13.0"
return [4, 6, 13, 0].
"""
return tuple(int(num) for num in ver_str.split('.'))
def parse_normalize(ver_str: str) -> VerTuple:
"""
Convert 'ver_str' into a VerTuple representation, e.g. for
ver_str="4.6.13.0" return (4, 6, 13).
"""
return normalize(parse(ver_str))
def version_string(ver: VerTuple, rev: t.Optional[int] = None) -> str:
"""
Produce version's string representation (optionally with revision), like:
1.2.3-5
"""
return '.'.join(str(n) for n in ver) + ('' if rev is None else f'-{rev}')
haketilo_version = normalize(tuple(takewhile(
lambda i: isinstance(i, int),
_version.version_tuple # type: ignore
)))
int_ver_min = normalize([1])
int_ver_max = normalize([65536])
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