54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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from argparse import ArgumentParser
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from dataclasses import dataclass
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from pathlib import Path
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@dataclass
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class Version:
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major: int = 1
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minor: int = 0
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patch: int = 0
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def __str__(self):
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return f"{self.major}.{self.minor}.{self.patch}"
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def __init__(self, version_str: str):
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try:
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match list(map(int, version_str.split("."))):
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case [major, minor, patch]:
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self.major, self.minor, self.patch = major, minor, patch
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return
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case _:
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raise ValueError("Version file must contain 3 parts (SemVer)!")
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except ValueError as e:
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raise ValueError(f"Version must contain numbers only!") from e
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def parse_args():
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parser = ArgumentParser("build.py", description="Docker multi-arch build helper.")
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version_group = parser.add_mutually_exclusive_group()
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version_group.add_argument("--major", "-m", action="store_true", help="Increase the major version before building.")
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version_group.add_argument("--minor", "-n", action="store_true", help="Increase the minor version before building.")
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version_group.add_argument("--patch", "-p", action="store_true", help="Increase the patch version before building.")
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parser.add_argument("--file", "-f", type=str, default="version.txt", help="File to store the current version in.")
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return parser.parse_args()
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def save_version(version_file: Path, version: Version):
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with version_file.open("w", encoding="utf-8") as f:
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f.write(str(version))
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def load_version(version_file: Path):
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try:
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with version_file.open("r", encoding="utf-8") as f:
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return Version(f.read().strip())
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except FileNotFoundError:
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return Version()
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def main():
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args = parse_args()
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version_file = Path(args.file)
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version = load_version(version_file)
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save_version(version_file, version)
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if __name__ == '__main__':
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main()
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