django/django — pull request #1334 by funkybob (2013-07-06 05:06:25+00:00)
Title: Add ContextContextManager

Add Context.with method

This patch allows you to use a context with "with", so you can be certain whatever context you push on the stack is popped after.

```python
with context.with(extra_data):
return self.blocks.render(context)
```