From 544bcd41a34aee158d21b8d496989e7af07cb239 Mon Sep 17 00:00:00 2001
From: Tony Breeds <tony@bakeyournoodle.com>
Date: Fri, 7 Oct 2016 14:19:12 +1100
Subject: [PATCH] [tools] Render historical stats for TC elections

Right now this script includes the data and needs to be updated after
each election.

We could factor out the data in the future

Change-Id: I60ba91efabb280e91b2481d20df0b16ec5471036
---
 requirements.txt             |  1 +
 tools/tc-election-summary.py | 90 ++++++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+)
 create mode 100755 tools/tc-election-summary.py

diff --git a/requirements.txt b/requirements.txt
index dfaa51b8..7dd88b4a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,4 @@ pytz>=2013.6 # MIT
 PyYAML>=3.1.0 # MIT
 requests>=2.10.0 # Apache-2.0
 ndg-httpsclient>=0.4.2;python_version<'3.0' # BSD
+PrettyTable>=0.7.1,<0.8 # BSD
diff --git a/tools/tc-election-summary.py b/tools/tc-election-summary.py
new file mode 100755
index 00000000..462ae975
--- /dev/null
+++ b/tools/tc-election-summary.py
@@ -0,0 +1,90 @@
+#!/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 division
+from __future__ import print_function
+
+import prettytable
+
+CIVS_BASE = 'http://civs.cs.cornell.edu/cgi-bin/results.pl'
+data = [
+    {
+        'election': '10/2013',
+        'electorate': 1106,
+        'votes_cast': 342,
+    },
+    {
+        'election': '04/2014',
+        'electorate': 1510,
+        'votes_cast': 448,
+    },
+    {
+        'election': '10/2014',
+        'electorate': 1893,
+        'votes_cast': 506,
+        'results': '%s?id=%s' % (CIVS_BASE, 'E_c105db929e6c11f4')
+    },
+    {
+        'election': '04/2015',
+        'electorate': 2169,
+        'votes_cast': 548,
+        'results': '%s?id=%s' % (CIVS_BASE, 'E_ef1379fee7b94688')
+    },
+    {
+        'election': '10/2015',
+        'electorate': 2759,
+        'votes_cast': 619,
+        'results': '%s?id=%s' % (CIVS_BASE, 'E_4ef58718618691a0')
+    },
+    {
+        'election': '04/2016',
+        'electorate': 3284,
+        'votes_cast': 652,
+        'results': '%s?id=%s' % (CIVS_BASE, 'E_fef5cc22eb3dc27a')
+    },
+    {
+        'election': '10/2016',
+        'electorate': 3517,
+        'votes_cast': 801,
+        'results': '%s?id=%s' % (CIVS_BASE, 'E_356e6c1b16904010')
+    },
+]
+
+
+def change(data, idx, key):
+    if idx == 0:
+        return float('NaN')
+    return 100 * ((data[idx][key] / data[idx-1][key]) - 1)
+
+pt = prettytable.PrettyTable(['Election',
+                              'Electorate  (delta %)',
+                              'Voted   (delta %)',
+                              'Turnout %   (delta %)'])
+for idx, current in enumerate(data):
+    current['turnout'] = 100 * (current['votes_cast'] / current['electorate'])
+    current['electorate_change'] = change(data, idx, 'electorate')
+    current['voter_change'] = change(data, idx, 'votes_cast')
+    current['turnout_change'] = change(data, idx, 'turnout')
+
+    pt.add_row(['%(election)8s' % current,
+                '%(electorate)10d  (%(electorate_change)7.2f)' % current,
+                '%(votes_cast)5d   (%(voter_change)7.2f)' % current,
+                ' %(turnout)7.2f   (%(turnout_change)7.2f)' % current])
+
+print(pt)
+print("\nElection CIVS links")
+
+for election in data:
+    if 'results' in election:
+        print("%(election)8s: %(results)s" % election)