Ticket #2250: munge_email.diff

django/template/defaultfilters.py

@@ -63 +63 @@
     """
     return list(str(value))
 
+def munge_email(value):
+    """Tries to hide email address from spambots.
+
+    Not handling unicode strings.
+    """
+    if isinstance(value, str):
+        return ''.join('&#%d;' % ord(char) for char in value)
+    else:
+        return value
+
 def slugify(value):
     "Converts to lowercase, removes non-alpha chars and converts spaces to hyphens"
     value = re.sub('[^\w\s-]', '', value).strip().lower()
@@ -485 +495 @@
 register.filter(ljust)
 register.filter(lower)
 register.filter(make_list)
+register.filter(munge_email)
 register.filter(phone2numeric)
 register.filter(pluralize)
 register.filter(pprint)

docs/templates.txt

@@ -938 +938 @@
 Returns the value turned into a list. For an integer, it's a list of
 digits. For a string, it's a list of characters.
 
+munge_email
+~~~~~~~~~~
+
+Returns an encoded version of a string. Can be used to make it harder for
+spambots to harvest e-mail addresses. For example, ``'a@b.com'`` gets
+converted to ``'a@b.com'``.
+
 phone2numeric
 ~~~~~~~~~~~~~