How do I get all the variables defined in a Django template?

I'm new to Django and I wonder if there is a way to dump all the variables available to a template for debugging purposes. In Python I might use something like locals(), is there something equivalent for the default template engine?

Note: suppose I don't have access to the view for the purposes of this question.

Both Ned's and blaine's answers are good, but if you really want to achieve exactly what you ask for there's a template tag for it:

{% debug %}

Builtins:debug

More information in the context_processor.debug including:

If this processor is enabled, every RequestContext will contain debug and and sql_queries variables – but only if your DEBUG setting is set to True and the request’s IP address (request.META['REMOTE_ADDR']) is in the INTERNAL_IPS setting

Similar to Peter G suggestion, I often use a <div id="django-debug"><pre>{% debug|escape %}</pre></div> block at the end of the page that has display:none but that I can inspect to debug.

Install the Django Debug Toolbar. It gives you all that and more.

You might also be interested in django-template-repl, a readline shell for the Django template language. You can drop a {% load repl %}{% pdb %} into your template and get an interactive debugger.