Render result mail announcement

This change adds final result mail announcement so that officials can
cross check the result before sending the announcement.

The document will be available at:
https://governance.openstack.org/election/_sources/results/

Change-Id: Ie3181d98b55ebf032f9c12603c8a98d37bfb9881

doc/source/_exts/candidates.py

@@ -50,6 +50,7 @@ def build_archive(serie, list_type):
         return
     db = yaml.safe_load(open(db_file))
     # Check for appointed or incumbent footnote
+    db['tc_seats'] = utils.conf['tc_seats']
     db['tags'] = {}
     for project in db['projects']:
         for candidate in db['candidates'][project]:
@@ -61,6 +62,17 @@ def build_archive(serie, list_type):
                           "results", serie, "%s.rst" % list_type)
     template_name = "%s_archive.jinja" % list_type
     template_dir = os.path.join(".", "doc", "source", "_exts")
+    with open(output, "wb") as out:
+        out.write(
+            render_template(
+                template_name,
+                db,
+                template_dir=template_dir
+            ).encode('utf-8')
+        )
+    output = os.path.join(".", "doc", "source",
+                          "results", serie, "announce_%s.rst" % list_type)
+    template_name = "%s_announce.jinja" % list_type
     with open(output, "wb") as out:
         out.write(
             render_template(

doc/source/_exts/ptl_announce.jinja

@@ -0,0 +1,20 @@
+To: openstack-dev@lists.openstack.org, openstack-announce@lists.openstack.org
+Subject: [all][elections] Project Team Lead Election Conclusion and Results
+
+Thank you to the electorate, to all those who voted and to all candidates who put their name forward for Project Team Lead (PTL) in this election. A healthy, open process breeds trust in our decision making capability thank you to all those who make this process possible.
+
+Now for the results of the PTL election process, please join me in extending congratulations to the following PTLs:
+
+{% for project in projects %}
+ * {{ project.replace('_', ' ').ljust(25) }} : {% for candidate in candidates[project] %}{% if candidate['elected'] %}{{ candidate['fullname'].ljust(44) }}{% endif %}{% endfor %}
+
+{% endfor %}
+
+Elections:
+{% for project in projects %}{% if project in elections_results %}
+* {{ project }}: {{ elections_results[project] }}
+{% endif %}{% endfor %}
+
+Election process details and results are also available here: https://governance.openstack.org/election/
+
+Thank you to all involved in the PTL election process,

doc/source/_exts/tc_announce.jinja

@@ -0,0 +1,18 @@
+To: openstack-dev@lists.openstack.org, openstack-announce@lists.openstack.org
+Subject: [all][elections] Technical Committee Election Results
+
+Please join me in congratulating the {{ tc_seats }} newly elected members of the Technical Committe (TC).
+
+{% for candidate in candidates['TC'] %}{% if candidate['elected'] %}
+{{ candidate['fullname'] }} ({{ candidate['ircname'] }})
+{% endif %}{% endfor %}
+
+Full results: {{ elections_results['TC'] }}
+
+Election process details and results are also available here: https://governance.openstack.org/election/
+
+Thank you to all candidates who stood for election, having a good group of candidates helps engage the community in our democratic process.
+
+Thank you to all who voted and who encouraged others to vote. We need to ensure your voice is heard.
+
+Thank you for another great round.