django-libsass static() function that raises exception if the file doesn't exists

dev.py

import ast
from django.templatetags.static import static as django_static

def strict_static(path):
    """
    A stricter version of the static() function provided by django-libass:
    https://github.com/torchbox/django-libsass#custom-functions

    Raises an exception if a file is not found. Not for production use.
    """
    
    from django.contrib.staticfiles.finders import find

    if not find(path):
        print "Static file not found: %s" % path
        raise Exception("\n\nStatic file not found: %s" % ast.literal_eval("'%s'" % path))

    return '"{}"'.format(django_static(path))

# override the static function provided by django-libsass
LIBSASS_CUSTOM_FUNCTIONS = {
    'static': strict_static,
}