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author | Wojtek Kosior <koszko@koszko.org> | 2022-06-13 11:06:49 +0200 |
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committer | Wojtek Kosior <koszko@koszko.org> | 2022-07-16 16:31:44 +0200 |
commit | 52d12a4fa124daa1595529e3e7008276a7986d95 (patch) | |
tree | 9b56fe2d28ff0242f8511aca570be455112ad3df /src/hydrilla/versions.py | |
parent | 9dcbfdfe8620cc417438d1727aa1e0c89846e9bf (diff) | |
download | haketilo-hydrilla-52d12a4fa124daa1595529e3e7008276a7986d95.tar.gz haketilo-hydrilla-52d12a4fa124daa1595529e3e7008276a7986d95.zip |
unfinished partial work
Diffstat (limited to 'src/hydrilla/versions.py')
-rw-r--r-- | src/hydrilla/versions.py | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/hydrilla/versions.py b/src/hydrilla/versions.py new file mode 100644 index 0000000..a7a9f29 --- /dev/null +++ b/src/hydrilla/versions.py @@ -0,0 +1,59 @@ +# 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 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. +""" + +# Enable using with Python 3.7. +from __future__ import annotations + +import typing as t + +def normalize_version(ver: t.Sequence[int]) -> tuple[int, ...]: + """Strip right-most zeroes from 'ver'. The original list is not modified.""" + new_len = 0 + for i, num in enumerate(ver): + if num != 0: + new_len = i + 1 + + return tuple(ver[:new_len]) + +def parse_version(ver_str: str) -> 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 version_string(ver: t.Sequence[int], rev: t.Optional[int] = None) -> str: + """ + Produce version's string representation (optionally with revision), like: + 1.2.3-5 + No version normalization is performed. + """ + return '.'.join(str(n) for n in ver) + ('' if rev is None else f'-{rev}') |