Cleanup: declare __all__ for Python scripts

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

release/lts/create_release_notes.py

@@ -3,50 +3,62 @@
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 
+"""
+This python script is used to generate the release notes and
+download URLs which we can copy-paste directly into the CMS of
+www.blender.org and stores.
+"""
+__all__ = (
+    "main",
+)
+
 import argparse
+import sys
 
 import lts_issue
 import lts_download
 
-DESCRIPTION = ("This python script is used to generate the release notes and "
-               "download URLs which we can copy-paste directly into the CMS of "
-               "www.blender.org and stores.")
 
-# Parse arguments
-parser = argparse.ArgumentParser(description=DESCRIPTION)
-parser.add_argument(
-    "--version",
-    required=True,
-    help="Version string in the form of {major}.{minor}.{patch} (e.g. 3.3.2)")
-parser.add_argument(
-    "--issue",
-    help="Task that contains the release notes information (e.g. #77348)")
-parser.add_argument(
-    "--format",
-    help="Format the result in `text`, `steam`, `markdown` or `html`",
-    default="text")
-args = parser.parse_args()
+def main() -> int:
+    # Parse arguments
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument(
+        "--version",
+        required=True,
+        help="Version string in the form of {major}.{minor}.{patch} (e.g. 3.3.2)")
+    parser.add_argument(
+        "--issue",
+        help="Task that contains the release notes information (e.g. #77348)")
+    parser.add_argument(
+        "--format",
+        help="Format the result in `text`, `steam`, `markdown` or `html`",
+        default="text")
+    args = parser.parse_args()
 
-# Determine issue number
-version = args.version
-issue = args.issue
-if not issue:
-    if version.startswith("2.83."):
-        issue = "#77348"
-    elif version.startswith("2.93."):
-        issue = "#88449"
-    elif version.startswith("3.3."):
-        issue = "#100749"
-    elif version.startswith("3.6."):
-        issue = "#109399"
-    elif version.startswith("4.2."):
-        issue = "#124452"
-    else:
-        raise ValueError("Specify --issue or update script to include issue number for this version")
+    # Determine issue number
+    version = args.version
+    issue = args.issue
+    if not issue:
+        if version.startswith("2.83."):
+            issue = "#77348"
+        elif version.startswith("2.93."):
+            issue = "#88449"
+        elif version.startswith("3.3."):
+            issue = "#100749"
+        elif version.startswith("3.6."):
+            issue = "#109399"
+        elif version.startswith("4.2."):
+            issue = "#124452"
+        else:
+            raise ValueError("Specify --issue or update script to include issue number for this version")
 
-# Print
-if args.format == "html":
-    lts_download.print_urls(version=version)
-    print("")
+    # Print
+    if args.format == "html":
+        lts_download.print_urls(version=version)
+        print("")
 
-lts_issue.print_notes(version=version, format=args.format, issue=issue)
+    lts_issue.print_notes(version=version, format=args.format, issue=issue)
+
+
+if __name__ == "__main__":
+    sys.exit(main())

release/lts/lts_download.py

@@ -2,6 +2,9 @@
 # SPDX-FileCopyrightText: 2020-2023 Blender Authors
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
+__all__ = (
+    "print_urls",
+)
 
 import datetime
 

release/lts/lts_issue.py

@@ -2,6 +2,9 @@
 # SPDX-FileCopyrightText: 2023 Blender Authors
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
+__all__ = (
+    "print_notes",
+)
 
 import requests