Ticket #4760: 20070703_BuiltinLibrary.patch

__init__.py

@@ -912 +912 @@
             return func
         return dec
 
+class BuiltinLibrary(Library):
+    """
+    Same as Library class but automatically registers filters/tags with DJango.
+    
+    Example filter::
+    
+      def filter_rst_h1(value, arg='-'):
+        "Write a single underline under the text"
+        line=arg * len(value)
+        return "%s\n%s" % (value, line)
+    
+    To use this filter, do this::
+    
+      from django.template import BuiltinLibrary # <-- NEW!
+    
+      # set up extra library of routines for later use...
+      library = BuiltinLibrary()
+      library.filter('filter_rst_h1', filter_rst_h1) 
+    """
+    def __init__(self, *args, **kwargs):
+        Library.__init__(self, *args, **kwargs)
+        builtins.append(self)
+
 def get_library(module_name):
     lib = libraries.get(module_name, None)
     if not lib: