Refactored filter construction to _constructFilterForProjectSelection.
This allows Grading Project Survey to overwrite this method and create its own filter.
"Dummy cache backend"
from django.core.cache.backends.base import BaseCache
class CacheClass(BaseCache):
def __init__(self, *args, **kwargs):
pass
def add(self, *args, **kwargs):
return True
def get(self, key, default=None):
return default
def set(self, *args, **kwargs):
pass
def delete(self, *args, **kwargs):
pass
def get_many(self, *args, **kwargs):
return {}
def has_key(self, *args, **kwargs):
return False