ci: Add debian build script

.ci/debian_build.py

+#!/usr/bin/env python3
+
+from __future__ import annotations
+
+import argparse
+import dataclasses
+import logging
+import shutil
+import subprocess
+from datetime import datetime
+from datetime import timezone
+from pathlib import Path
+
+LOG_FORMAT = '%(asctime)s %(levelname)s %(message)s'
+logging.basicConfig(format=LOG_FORMAT, level=logging.DEBUG)
+log = logging.getLogger()
+
+ROOT_DIR = Path(__file__).resolve().parent.parent
+BUILD_DIR = ROOT_DIR / 'debian_build'
+
+DATE = datetime.now().strftime('%Y%m%d')
+DATE_TIME = datetime.now(tz=timezone.utc).strftime('%a, %d %b %Y %T %z')
+
+
+@dataclasses.dataclass
+class ReleaseContext:
+    app: str
+    pkg_name: str
+    rev: str
+    release_name: str
+    release_dir: Path
+    tarball: Path
+
+    @classmethod
+    def from_tarball(cls, path: str, prefix: str, rev: str) -> ReleaseContext:
+        tarball = Path(path)
+        app = tarball.name.split('-', maxsplit=1)[0]
+        pkg_name = f'{prefix}{app}-nightly'
+        release_name = f'{pkg_name}_{DATE}'
+        release_dir = BUILD_DIR / release_name
+        return cls(app=app,
+                   pkg_name=pkg_name,
+                   rev=rev,
+                   release_name=release_name,
+                   release_dir=release_dir,
+                   tarball=tarball)
+
+
+def clean_build_dir() -> None:
+    log.info('Cleanup build directory')
+    if BUILD_DIR.exists():
+        shutil.rmtree(BUILD_DIR)
+    BUILD_DIR.mkdir()
+
+
+def prepare_package_dir(context: ReleaseContext) -> None:
+    log.info('Extract tarball')
+    tarball = Path(shutil.copy(context.tarball, BUILD_DIR))
+    tarball = tarball.rename(BUILD_DIR / f'{context.release_name}.orig.tar.gz')
+    shutil.unpack_archive(tarball, BUILD_DIR)
+
+    log.info('Rename dir to: %s', context.release_name)
+    folder = list(BUILD_DIR.glob(f'{context.app}-?.?.?'))[0]
+    folder = folder.rename(context.release_dir)
+
+    log.info('Copy debian folder into release directory')
+    shutil.copytree(ROOT_DIR / 'debian', context.release_dir / 'debian')
+
+
+def prepare_changelog(context: ReleaseContext) -> None:
+    log.info('Prepare Changelog')
+    changelog = context.release_dir / 'debian' / 'changelog'
+    content = changelog.read_text()
+    content = content.replace('{DATE}', f'{DATE}-{context.rev}')
+    content = content.replace('{DATE_TIME}', DATE_TIME)
+    changelog.write_text(content)
+
+
+def build(context: ReleaseContext) -> None:
+    log.info('Start package build')
+    subprocess.run(
+       [
+        'dpkg-buildpackage',
+        '-rfakeroot',
+        '--no-sign'
+       ],
+       cwd=context.release_dir,
+       check=True)
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Build debian package')
+    parser.add_argument('tarball', help='Path to tarball e.g. app.tar.gz')
+    parser.add_argument('rev', help='The package revision e.g. 1')
+    parser.add_argument('--pkgprefix', default='', required=False,
+                        help='Prefix for the package name e.g. python3-')
+    args = parser.parse_args()
+
+    context = ReleaseContext.from_tarball(args.tarball,
+                                          args.pkgprefix,
+                                          args.rev)
+
+    clean_build_dir()
+    prepare_package_dir(context)
+    prepare_changelog(context)
+    build(context)