Add release note export script (#15109)

Author: morganchen12

scripts/export_release_notes.py

@@ -0,0 +1,139 @@
+#!/usr/bin/env python3
+
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Creates release notes files."""
+
+import argparse
+import os
+import subprocess
+import sys
+
+
+def main():
+  changelog_location = find_changelog_location()
+
+  parser = argparse.ArgumentParser(description='Create release notes files.')
+  parser.add_argument(
+      '--version', '-v', required=True, help='Specify the release number.'
+  )
+  parser.add_argument('--date', help='Specify the date.')
+  parser.add_argument(
+      '--repo',
+      '-r',
+      required=True,
+      help='The absolute path to the root of the repo containing changelogs.',
+  )
+  parser.add_argument(
+      'products',
+      help=(
+          'The products to create changelogs for, separated by a comma (no'
+          ' space).'
+      ),
+  )
+  args = parser.parse_args()
+
+  # Check all inputs are valid product names
+  products = args.products.split(',')
+  product_paths = product_relative_locations()
+  for i, product in enumerate(products):
+    if product_paths[product] is None:
+      print('Unknown product ' + product, file=sys.stderr)
+      sys.exit(-1)
+
+  created_files = []
+  repo = args.repo
+  for i, product in enumerate(products):
+    changelog = ''
+    if product == 'Firestore' or product == 'Crashlytics':
+      changelog = product + '/CHANGELOG.md'
+    else:
+      changelog = 'Firebase' + product + '/CHANGELOG.md'
+    result = subprocess.run(
+        [
+            'python3',
+            'scripts/make_release_notes.py',
+            changelog,
+            '-r',
+            'firebase/firebase-ios-sdk',
+        ],
+        cwd=repo,
+        capture_output=True,
+        text=True,
+        check=True,
+    )
+    generated_note = result.stdout
+    target_path = (
+        changelog_location
+        + product_paths[product]
+        + '-m'
+        + args.version
+        + '.md'
+    )
+    with open(target_path, 'w') as file:
+      file.write(generated_note)
+    created_files.append(target_path)
+
+  output = '\n'.join(created_files)
+  print(output)
+
+
+def find_changelog_location():
+  wd = os.getcwd()
+  google3_index = wd.rfind('google3')
+  if google3_index == -1:
+    print('This script must be invoked from a SrcFS volume', file=sys.stderr)
+    sys.exit(-1)
+  google3_root = wd[: google3_index + len('google3')]
+  changelog_relative = (
+      '/third_party/devsite/firebase/en/docs/ios/_ios-release-notes/'
+  )
+  changelog_absolute = google3_root + changelog_relative
+  return changelog_absolute
+
+
+def product_relative_locations():
+  module_names = [
+      'ABTesting',
+      'AI',
+      # Note: Analytics is generated separately.
+      'AppCheck',
+      'Auth',
+      'Core',
+      'Crashlytics',
+      'Database',
+      'Firestore',
+      'Functions',
+      'Installations',
+      'Messaging',
+      'Storage',
+      'RemoteConfig',
+      # Note: Data Connect must be generated manually.
+  ]
+  # Most products follow the format Product/_product(-version.md)
+  relative_paths = {}
+  for index, name in enumerate(module_names):
+    path = name + '/_' + name.lower()
+    relative_paths[name] = path
+
+  # There are a few exceptions
+  relative_paths['AppDistribution'] = 'AppDistribution/_appdist'
+  relative_paths['InAppMessaging'] = 'InAppMessaging/_fiam'
+  relative_paths['Performance'] = 'Performance/_perf'
+  return relative_paths
+
+
+if __name__ == '__main__':
+  main()

scripts/make_release_notes.py

@@ -51,10 +51,9 @@
 
 
 def main():
-  local_repo = find_local_repo()
 
   parser = argparse.ArgumentParser(description='Create release notes.')
-  parser.add_argument('--repo', '-r', default=local_repo,
+  parser.add_argument('--repo', '-r',
                       help='Specify which GitHub repo is local.')
   parser.add_argument('--only', metavar='VERSION',
                       help='Convert only a specific version')
@@ -64,6 +63,10 @@ def main():
                       help='The CHANGELOG.md file to parse')
   args = parser.parse_args()
 
+  repo = args.repo
+  if repo is None:
+    repo = find_local_repo()
+
   if args.all:
     text = read_file(args.changelog)
   else:
@@ -73,7 +76,7 @@ def main():
   if not args.all:
     product = PRODUCTS.get(args.changelog)
 
-  renderer = Renderer(args.repo, product)
+  renderer = Renderer(repo, product)
   translator = Translator(renderer)
 
   result = translator.translate(text)