Do you know if it is possible to know in a django template if the TEMPLATE_DEBUG flag is set?
I would like to disable my google analytics script when I am running my django app on my development machine. Something like a {% if debug %} template tag would be perfect. Unfortunately, I didn't find something like that in the documentation.
For sure, I can add this flag to the context but I would like to know if there is a better way to do that.
You will need to add the DEBUG flag to your context_processors.
There may not even be an alternative way. At least, none that I know of.
Assuming you haven't set TEMPLATE_CONTEXT_PREPROCESSORS to some other value in settings.py, Django will automatically load the debug context preprocessor (as noted here). This means that you will have access to a variable called debug in your templates if settings.DEBUG is true and your local machine's IP address (which can simply be 127.0.0.1) is set in the variable settings.INTERNAL_IPS (which is described here). settings.INTERNAL_IPS is a tuple or list of IP addresses that Django should recognize as "internal".
If you haven't already, it always helps to see if/how others have dealt with same issue on djangosnippets. The most recent snippet working with analytics tag is 1656: http://www.djangosnippets.org/snippets/1656/
What is nice about this solution is that it allows you to keep your GOOGLE_ANALYTICS_CODE = xxxxxx in local_settings.py in the case rest of your source is public, your key remains private. In addition it goes an extra step to not use analytics for logged in users.