Add a script to automate releases.

scripts/release.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+
+import sys
+import shlex
+import subprocess
+from subprocess import run
+
+
+def usage():
+    print('Usage: release.py 1.0.3')
+
+
+def run_command(cmd):
+    proc = run(
+        shlex.split(cmd),
+        capture_output=True,
+    )
+    return proc.stdout.decode()
+
+
+def git_tag(tag):
+    print(f'Prepare git tag for {tag}')
+    run_command(f'git tag -a -s -m "Release {tag}" {tag}')
+
+
+def prepare_build(ver):
+    print(f'Building project')
+    output = run_command('poetry version -s').strip()
+    if output != ver:
+        print(f'Output of "poetry version -s" "{output}" does not match the provided version "{ver}"')
+        print('Please update the version or pass the right parameter?')
+        exit(1)
+    output = run_command('poetry build')
+    print(output)
+
+def upload():
+    print('Running twine to upload.')
+    try:
+        run_command('twine upload -s dist/*')
+    except Exception as e:
+        print(f'Failed to upload: {e}')
+
+def main():
+    if not len(sys.argv) == 2:
+        usage()
+        exit(1)
+    ver = sys.argv[1]
+    print(f'Preparing a release {ver}')
+    ver_tag = ver
+    if not ver_tag.startswith('v'):
+        ver_tag = f'v{ver_tag}'
+    git_tag(ver_tag)
+    prepare_build(ver)
+    upload()
+
+
+main()