Convert bump_docker.sh to Python

utils/bump_docker.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+"""Usage: bump_docker.py [VERSION]"""
+
+import re
+import subprocess
+import sys
+from pathlib import Path
+
+VERSION_PATTERN = r'\d+\.\d+\.\d+'
+
+if not sys.argv[1:] or re.match(VERSION_PATTERN, sys.argv[1]) is None:
+    print(__doc__)
+    raise SystemExit(1)
+
+VERSION = sys.argv[1]
+
+PROJECTS_ROOT = Path(__file__).resolve().parents[2]
+DOCKER_ROOT = PROJECTS_ROOT / 'sphinx-docker-images'
+DOCKERFILE_BASE = DOCKER_ROOT / 'base' / 'Dockerfile'
+DOCKERFILE_LATEXPDF = DOCKER_ROOT / 'latexpdf' / 'Dockerfile'
+
+OPENCONTAINERS_VERSION_PREFIX = 'LABEL org.opencontainers.image.version'
+SPHINX_VERSION_PREFIX = 'Sphinx=='
+
+for file in DOCKERFILE_BASE, DOCKERFILE_LATEXPDF:
+    content = file.read_text(encoding='utf-8')
+    content = re.sub(rf'{re.escape(OPENCONTAINERS_VERSION_PREFIX)} = "{VERSION_PATTERN}"',
+                     rf'{OPENCONTAINERS_VERSION_PREFIX} = "{VERSION}"',
+                     content)
+    content = re.sub(rf'{re.escape(SPHINX_VERSION_PREFIX)}{VERSION_PATTERN}',
+                     rf'{SPHINX_VERSION_PREFIX}{VERSION}',
+                     content)
+    file.write_text(content, encoding='utf-8')
+
+
+def git(*args):
+    ret = subprocess.run(('git', *args),
+                         capture_output=True,
+                         cwd=DOCKER_ROOT,
+                         check=True,
+                         text=True,
+                         encoding='utf-8')
+    print(ret.stdout)
+    print(ret.stderr, file=sys.stderr)
+
+
+git('checkout', 'master')
+git('commit', '-am', f'Bump to {VERSION}')
+git('tag', VERSION, '-m', f'Sphinx {VERSION}')
+git('push', 'upstream', 'master')
+git('push', 'upstream', VERSION)