add templatetags library

itf/emailer/templatetags/emailer.py

@@ -0,0 +1,16 @@
+from django import template
+import re
+from emailer.models import *
+
+register = template.Library()
+
+def insert_images(value, article_id):
+    regex = 'img\:(.*?)\r?\n'
+    article = EmailerArticle.objects.get(id=article_id)
+    matches = re.findall(regex, value)
+    for m in matches:
+        imgHTML = article.getImageHTML(m)
+        value = value.replace("img:" + m, imgHTML)
+    return value
+
+register.filter('insert_images', insert_images)