sehmaschine

from tasks import full_export_task

def export_year_zip(user):
  full_export_task.update_state(state="PROGRESS", meta={})

dpnova

def expire_view_cache(view_name, args=[], namespace=None, key_prefix=None, method="GET"):
    """
    This function allows you to invalidate any view-level cache. 
        view_name: view function you wish to invalidate or it's named url pattern
        args: any arguments passed to the view function
        namepace: optioal, if an application namespace is needed
        key prefix: for the @cache_page decorator for the function (if any)
        
        from: http://stackoverflow.com/questions/2268417/expire-a-view-cache-in-django
        added: method to request to get the key generating properly

toastdriven

import operator
from haystack.query import SearchQuerySet, SQ

query = 'lil way'
sqs = SearchQuerySet().filter(reduce(operator.__and__, [SQ(name=word.strip()) for word in query.split(' ')]))