Added python script to format the package for the release

Author: michalChrobot

Tools/scripts/release.py

@@ -0,0 +1,66 @@
+"""
+NGO release script
+- Update changelogs + validation exception file based on manifest version
+"""
+#!/usr/bin/env python3
+import datetime
+import json
+import os
+import re
+
+package_name = 'com.unity.netcode.gameobjects'
+
+def update_changelog(new_version):
+    changelog_entry = f'## [{new_version}] - {datetime.date.today().isoformat()}'
+
+    print(changelog_entry)
+
+    changelog_path = f'{package_name}/CHANGELOG.md'
+    with open(changelog_path, 'rb') as f:
+        changelog_text = f.read()
+
+    changelog_text = re.sub(br'## \[Unreleased\]', bytes(changelog_entry, 'UTF-8'), changelog_text)
+
+    with open(changelog_path, 'wb') as f:
+        f.write(changelog_text)
+
+def update_validation_exceptions(new_version):
+    validation_file = f'{package_name}/ValidationExceptions.json'
+    if not os.path.exists(validation_file):
+        return
+
+    with open(validation_file, 'rb') as f:
+        json_text = f.read()
+        data = json.loads(json_text)
+        updated = False
+        for exceptionElements in ["WarningExceptions", "ErrorExceptions"]:
+            exceptions = data.get(exceptionElements)
+
+            if exceptions is not None:
+                for exception in exceptions:
+                    if 'PackageVersion' in exception:
+                        exception['PackageVersion'] = new_version
+                        updated = True
+
+    if not updated:
+        return
+
+    with open(validation_file, "w", encoding="UTF-8") as json_file:
+        json.dump(data, json_file, ensure_ascii=False, indent=2)
+        json_file.write("\n")  # Add newline cause Py JSON does not
+        print(f"  updated `{validation_file}`")
+
+
+def get_manifest_json_version(filename):
+    with open(filename, 'rb') as f:
+        json_text = f.read()
+        data = json.loads(json_text)
+
+    return data['version']
+
+if __name__ == '__main__':
+    manifest_path = f'{package_name}/package.json'
+    version = get_manifest_json_version(manifest_path)
+    update_validation_exceptions(version)
+
+    update_changelog(version)