move the projects file loading code into a reusable module

Change-Id: I6f49b46875190c8790e059a1ead0c860eb3fd726
Signed-off-by: Doug Hellmann <doug@doughellmann.com>

doc/source/_exts/projects.py

@@ -16,8 +16,7 @@
 import copy
 import os.path
 
-import yaml
+from openstack_governance import projects
-import yamlordereddictloader
 
 _projects_yaml = {}
 
@@ -37,8 +36,4 @@ def setup(app):
 
     filename = os.path.abspath('reference/projects.yaml')
     app.info('reading %s' % filename)
-    with open(filename, 'r', encoding='utf-8') as f:
+    _projects_yaml = projects.load_project_file(filename)
-        _projects_yaml = yaml.load(
-            f.read(),
-            Loader=yamlordereddictloader.Loader,
-        )

openstack_governance/projects.py

@@ -0,0 +1,22 @@
+#    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.
+
+import yaml
+import yamlordereddictloader
+
+
+def load_project_file(filename='reference/projects.yaml'):
+    with open(filename, 'r', encoding='utf-8') as f:
+        return yaml.load(
+            f.read(),
+            Loader=yamlordereddictloader.Loader,
+        )