Cleanup: declare __all__ for Python scripts

Declare all to make public public API's explicit and
help detect unused code.

release/pypi/upload-release.py

@@ -3,6 +3,10 @@
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 
+__all__ = (
+    "main",
+)
+
 import argparse
 import glob
 import pathlib
@@ -12,59 +16,65 @@ import tempfile
 import urllib.request
 import zipfile
 
-parser = argparse.ArgumentParser(description="Check and upload bpy module to PyPI")
-parser.add_argument(
-    "--version",
-    required=True,
-    help="Version string in the form of {major}.{minor}.{patch} (e.g. 3.6.0)")
-parser.add_argument(
-    "--git-hash",
-    required=True,
-    help="Git hash matching the version")
-parser.add_argument(
-    "--check",
-    action="store_true",
-    help="Only check wheels for errors, don't upload")
-args = parser.parse_args()
 
-platforms = [
-    "darwin.x86_64",
-    "darwin.arm64",
-    "linux.x86_64",
-    "windows.amd64"]
+def main():
+    parser = argparse.ArgumentParser(description="Check and upload bpy module to PyPI")
+    parser.add_argument(
+        "--version",
+        required=True,
+        help="Version string in the form of {major}.{minor}.{patch} (e.g. 3.6.0)")
+    parser.add_argument(
+        "--git-hash",
+        required=True,
+        help="Git hash matching the version")
+    parser.add_argument(
+        "--check",
+        action="store_true",
+        help="Only check wheels for errors, don't upload")
+    args = parser.parse_args()
 
-with tempfile.TemporaryDirectory() as tmp_dir:
-    tmp_dir = pathlib.Path(tmp_dir)
+    platforms = [
+        "darwin.x86_64",
+        "darwin.arm64",
+        "linux.x86_64",
+        "windows.amd64"]
 
-    print("Download:")
-    for platform in platforms:
-        # Download from buildbot.
-        version = args.version
-        version_tokens = version.split(".")
-        short_version = version_tokens[0] + version_tokens[1]
-        git_hash = args.git_hash
+    with tempfile.TemporaryDirectory() as tmp_dir:
+        tmp_dir = pathlib.Path(tmp_dir)
 
-        url = f"https://builder.blender.org/download/daily/bpy-{version}-stable+v{short_version}.{git_hash}-{platform}-release.zip"
-        filepath = tmp_dir / f"{platform}.zip"
-        print(url)
-        urllib.request.urlretrieve(url, filepath)
+        print("Download:")
+        for platform in platforms:
+            # Download from buildbot.
+            version = args.version
+            version_tokens = version.split(".")
+            short_version = version_tokens[0] + version_tokens[1]
+            git_hash = args.git_hash
 
-        # Unzip.
-        with zipfile.ZipFile(filepath, "r") as zipf:
-            zipf.extractall(path=tmp_dir)
-    print("")
+            url = f"https://builder.blender.org/download/daily/bpy-{version}-stable+v{short_version}.{git_hash}-{platform}-release.zip"
+            filepath = tmp_dir / f"{platform}.zip"
+            print(url)
+            urllib.request.urlretrieve(url, filepath)
 
-    wheels = glob.glob(str(tmp_dir / "*.whl"))
-    print("Wheels:")
-    print("\n".join(wheels))
+            # Unzip.
+            with zipfile.ZipFile(filepath, "r") as zipf:
+                zipf.extractall(path=tmp_dir)
+        print("")
 
-    if len(platforms) != len(wheels):
-        sys.stderr.write("Unexpected number of whl files.")
-        sys.exit(1)
-    print("")
+        wheels = glob.glob(str(tmp_dir / "*.whl"))
+        print("Wheels:")
+        print("\n".join(wheels))
 
-    # Check and upload.
-    print("Twine:")
-    subprocess.run(["twine", "check"] + wheels, check=True)
-    if not args.check:
-        subprocess.run(["twine", "upload", "--repository", "bpy", "--verbose"] + wheels, check=True)
+        if len(platforms) != len(wheels):
+            sys.stderr.write("Unexpected number of whl files.")
+            sys.exit(1)
+        print("")
+
+        # Check and upload.
+        print("Twine:")
+        subprocess.run(["twine", "check"] + wheels, check=True)
+        if not args.check:
+            subprocess.run(["twine", "upload", "--repository", "bpy", "--verbose"] + wheels, check=True)
+
+
+if __name__ == "__main__":
+    sys.exit(main())