Get object's full model name, formatted as "app_label.module_name"

gistfile1.py

# django tempatetag
# django version >= 1.4 is required

@register.assignment_tag
def get_full_modelname(object):
    """
    usage:

        {% get_full_modelname object as modelname_var %}
    """

    opts = object._meta
    return '%s.%s'%(opts.app_label, opts.module_name)