python 3 propganda™

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>

docs/_templates/hacks.html

@@ -1,3 +1,34 @@
+<!-- Alabaster (krTheme++) Hacks -->
+<aside id="python27">
+    Python 3, the new best practice, is here to stay.
+    Python 2 will retire in only <time></time> months!
+</aside>
+
+<!-- Python 2 Death Clock™ -->
+<style type="text/css">
+  body { margin-top: 4em; }
+  #python27 {
+      position: fixed;
+      top: 0;
+      left: 0; right: 0;
+      height:  auto;
+      text-align: center;
+      color: white;
+      background-color: black;
+      font-size: larger;
+      line-height: 3;
+  }
+
+</style>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.1/moment.min.js"></script>
+<script>
+  var death = new Date('2020-04-12');
+
+  var diff = moment.duration(death - moment());
+
+  document.querySelector('#python27 time').innerText = (diff.years() * 12) + diff.months();
+</script>
+
 <script type="text/javascript">
   var _gauges = _gauges || [];
   (function() {

docs/conf.py

@@ -109,7 +109,8 @@ html_theme_options = {
     'github_user': 'kennethreitz',
     'github_repo': 'python-guide',
     'github_banner': True,
-    'show_related': False
+    'show_related': False,
+    'note_bg': '#FFF59C'
 }
 
 # Add any paths that contain custom themes here, relative to this directory.

docs/index.rst

@@ -20,6 +20,8 @@ This guide is **opinionated** in a way that is almost, but not quite, entirely
 available here. Rather, you'll find a nice concise list of highly recommended
 options.
 
+.. note:: The use of **Python 3** is *highly* preferred over Python 2. Consider upgrading your applications and infrastructure if you find yourself *still* using Python 2 in production today. If you are using Python 3, congratulations — you are indeed a person of excellent taste.
+  —*Kenneth Reitz*
 
 Let's get started! But first, let's make sure you know where your towel is.