Add a script for building courtesy ping list for PTLs

The cross-project meeting starts with a courtesy ping for each PTL. Now
that we are adding more projects, it is useful to have a tool to build
the list instead of keeping a static copy somewhere.

Change-Id: If23bf302e912557fbb44b5e68747956308bccf64

tools/list_ptls.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+
+# 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.
+
+from __future__ import print_function
+
+import argparse
+import textwrap
+
+import requests
+import yaml
+
+PROJECTS_LIST = "http://git.openstack.org/cgit/openstack/governance/plain/reference/projects.yaml"  # noqa
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        '--project-list',
+        default=PROJECTS_LIST,
+        help='a URL pointing to a projects.yaml file, defaults to %(default)s',
+    )
+    parser.add_argument(
+        '--msg', '-m',
+        default='courtesy ping for',
+        help='ping message',
+    )
+    parser.add_argument(
+        'project',
+        default=None,
+        nargs='*',
+        help='projects to include, defaults to all',
+    )
+    args = parser.parse_args()
+
+    r = requests.get(args.project_list)
+    project_data = yaml.load(r.text)
+
+    projects = args.project
+    if not projects:
+        projects = project_data.keys()
+
+    nick_text = ' '.join([
+        project_data[project]['ptl'].split('(')[1].split(')')[0]
+        for project in projects
+    ])
+
+    print(textwrap.fill(nick_text,
+                        initial_indent=args.msg + ' ',
+                        subsequent_indent=args.msg + ' ',
+                        width=80,
+                    ))
+
+
+if __name__ == '__main__':
+    main()