add page leaderboard, fix issue with spoilers by monkey-patching

app.py

@@ -109,6 +109,10 @@ class StrikethroughPostprocessor(markdown.postprocessors.Postprocessor):
     def convert(self, match):
         return '<del>' + match.group(1) + '</del>'
 
+# XXX ugly monkeypatch to make spoilers prevail over blockquotes
+from markdown.blockprocessors import BlockQuoteProcessor
+BlockQuoteProcessor.RE = re.compile(r'(^|\n)[ ]{0,3}>(?!!)[ ]?(.*)')
+
 ### XXX it currently only detects spoilers that are not at the beginning of the line. To be fixed.
 class SpoilerExtension(markdown.extensions.Extension):
     def extendMarkdown(self, md, md_globals):
@@ -685,6 +689,19 @@ def view_random():
             continue
     return redirect(page.get_url())
 
+@app.route('/p/leaderboard/')
+def page_leaderboard():
+    headers = {
+        'Cache-Control': 'max-age=180, stale-while-revalidate=1800'
+    }
+
+    pages = []
+    for p in Page.select():
+        score = (p.latest.length >> 10) + p.forward_links.count() + p.back_links.count()
+        pages.append((p, score, p.back_links.count(), p.forward_links.count(), p.latest.length))
+    pages.sort(key = lambda x: (x[1], x[2], x[4], x[3]), reverse = True)
+        
+    return render_template('leaderboard.html', pages=pages)
 
 @app.route('/<slug:name>/')
 def view_named(name):

templates/leaderboard.html

@@ -0,0 +1,38 @@
+{% extends "base.html" %}
+
+{% block title %}Best pages - {{ app_name }}{% endblock %}
+
+{% block meta %}
+<meta name="robots" content="noindex,nofollow" />
+{% endblock %}
+
+{% block content %}
+<h1>Best pages</h1>
+
+<table>
+  <thead>
+    <tr>
+      <th>#</th>
+      <th>Page Name</th>
+      <th>Score</th>
+      <th><abbr title="Length in bytes">Len</abbr></th>
+      <th><abbr title="Backlinks">BL</abbr></th>
+      <th><abbr title="Forward links">FL</abbr></th>
+    </tr>
+  </thead>
+  <tbody>
+    {% set counters = namespace(row = 0) %}
+    {% for p, score, bklinks, fwlinks, length in pages %}
+    <tr>
+      {% set counters.row = counters.row + 1 %}
+      <th style="text-align: right">{{ counters.row }}</th>
+      <td><a href="{{ p.get_url() }}">{{ p.title }}</a> (#{{ p.id }})</td>
+      <td><strong>{{ score }}</strong></td>
+      <td>{{ length }}</td>
+      <td>{{ bklinks }}</td>
+      <td>{{ fwlinks }}</td>
+    </tr>
+    {% endfor %}
+  </tbody>
+</table>
+{% endblock %}