Add truncate and update nameless

I don't want to see `by-ryuslash' any more than I want to see
`ryuslash-', so I changed the regex.

Also added a filter to truncate variables, since places like identica
just send the message as the title it can get quite long.

2 files changed, 10 insertions, 2 deletions

diff --git a/aggregator/templates/aggregator/posts.html b/aggregator/templates/aggregator/posts.html
index 094ad25..14b3eda 100644
--- a/aggregator/templates/aggregator/posts.html
+++ b/aggregator/templates/aggregator/posts.html
@@ -11,7 +11,7 @@
     <article class="post">
       (<span class="keyword">defpost</span>
       <a href="{{ post.link }}"
-         class="variable-name">{{ post.title|slugify|nameless }}</a>
+         class="variable-name">{{ post.title|slugify|nameless|truncate:48 }}</a>
          (<img src="/static/images/logos/{{ post.icon }}" width="16"
               height="16"/>)
          <div class="doc">
diff --git a/aggregator/templatetags/posts_extras.py b/aggregator/templatetags/posts_extras.py
index ca241b1..64718a2 100644
--- a/aggregator/templatetags/posts_extras.py
+++ b/aggregator/templatetags/posts_extras.py
@@ -7,6 +7,14 @@ register = template.Library()
 
 @stringfilter
 def nameless(value):
-    return re.sub(r'^(ryuslash|tom)[- ]?', '', value)
+    return re.sub(r'(^|by[- ])(ryuslash|tom)[- ]?', '', value)
+
+@stringfilter
+def truncate(value, length):
+    if len(value) > length:
+        value = value[:length-3] + '...'
+
+    return value
 
 register.filter('nameless', nameless)
+register.filter('truncate', truncate)