Biggest change to Jinja since the 1.x migration: added evaluation contexts
which make it possible to keep the ahead of time optimizations and provide
dynamic activation and deactivation of autoescaping and other context
specific features.
--HG--
branch : trunk
diff --git a/jinja2/ext.py b/jinja2/ext.py
index c3c8eec..64d5525 100644
--- a/jinja2/ext.py
+++ b/jinja2/ext.py
@@ -357,6 +357,20 @@
return node
+class AutoEscapeExtension(Extension):
+ """Changes auto escape rules for a scope."""
+ tags = set(['autoescape'])
+
+ def parse(self, parser):
+ node = nodes.ScopedEvalContextModifier(lineno=next(parser.stream).lineno)
+ node.options = [
+ nodes.Keyword('autoescape', parser.parse_expression())
+ ]
+ node.body = parser.parse_statements(('name:endautoescape',),
+ drop_needle=True)
+ return nodes.Scope([node])
+
+
def extract_from_ast(node, gettext_functions=GETTEXT_FUNCTIONS,
babel_style=True):
"""Extract localizable strings from the given template node. Per
@@ -529,3 +543,4 @@
do = ExprStmtExtension
loopcontrols = LoopControlExtension
with_ = WithExtension
+autoescape = AutoEscapeExtension