Add: Add simple GitHub script to show and update repo topics

A simple script is always nice for testing the API and using it.

pontos/github/scripts/topics.py

@@ -0,0 +1,44 @@
+# Copyright (C) 2022 Greenbone AG
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+This script prints out all repositories existing in the space of the given
+organization
+"""
+
+from argparse import ArgumentParser, Namespace
+
+from pontos.github.api import GitHubAsyncRESTApi
+
+
+def add_script_arguments(parser: ArgumentParser) -> None:
+    parser.add_argument("repository", help="owner/repo")
+    parser.add_argument("topics", nargs="*", help="new topics to set")
+
+
+async def github_script(api: GitHubAsyncRESTApi, args: Namespace) -> int:
+    if not args.topics:
+        topics = await api.repositories.topics(args.repository)
+    else:
+        topics = await api.repositories.update_topics(
+            args.repository, args.topics
+        )
+
+    for topic in topics:
+        print(topic)
+
+    return 0