Django template tag to access settings

gistfile1.txt

"""

Please don't use this for PHP-esque in template treachery. It fixed an emergency I had. Maybe it can for you too.

Output a string...
{% setting "FOO.BAR" %}

Use in an expression...
{% setting "FOO.BAR" as foobar %}
{% if foobar %}yeah!{% else %}boo!{% endif %}

"""
from django import template
from django.conf import settings

register = template.Library()


@register.simple_tag()
def setting(path):
    def get_value(source, item):
        if isinstance(source, dict):
            return source.get(item, '')
        elif (isinstance(source, list) or isinstance(source, tuple)):
            try:
                return source[int(item)]
            except:
                pass
        else:
            try:
                return getattr(source, item, '')
            except:
                pass
        return ''

    source = settings
    path = path.split('.')
    for item in path:
        source = get_value(source, item)
        if source == '':
            break

    return source