use upstream repo for python if configured

Author: noelmcloughlin

postgres/python.sls

@@ -3,3 +3,11 @@
 postgresql-python:
   pkg.installed:
     - name: {{ postgres.pkg_python}}
+  {% if postgres.use_upstream_repo == true %}
+    - refresh: True
+    - require:
+      - pkgrepo: postgresql-repo
+
+include:
+  - postgres.upstream
+  {% endif %}