Ticket #20434: patch3.patch

new file django/core/management/commands/templatetags.py

@@ +1 @@
+from __future__ import unicode_literals
+
+from optparse import make_option
+
+from django.core.management.base import BaseCommand
+from django.template.base import get_library, LibraryGrammar
+from django.template import InvalidTemplateLibrary
+
+
+class Command(BaseCommand):
+    help = "Prints the template tags in this application"
+    args = '<library>'
+
+    def handle(self, library_name=None, **options):
+        if library_name:
+            try:
+                lib = get_library(library_name)
+                grammar = lib.get_grammar()
+                print grammar.as_string()
+            except InvalidTemplateLibrary:
+                print 'Template tag library not found.'
+        else:
+            print LibraryGrammar.from_builtins().as_string(self.style)

django/template/__init__.py

@@ -75 +75 @@
 # Library management
 from django.template.base import (Library, add_to_builtins, builtins,
     get_library, get_templatetags_modules, get_text_list, import_library,
-    libraries)
+    libraries, LibraryGrammar)
 
 # Class based templates
 from django.template.generic import Grammar, UnknownGrammar, GrammarException, TemplateTag