django-cms-mycmsproject-toporojo / cms / cache /

# -*- coding: utf-8 -*-
from django.conf import settings
from django.core.cache import cache

from django.contrib.auth.models import User

    'can_change', 'can_add', 'can_delete',
    'can_change_advanced_settings', 'can_publish',
    'can_change_permissions', 'can_move_page',
    'can_moderate', 'can_view']

def get_cache_key(user, key):
    return "%s:permission:%s:%s" % (
        settings.CMS_CACHE_PREFIX, user.username, key)

def get_permission_cache(user, key):
    Helper for reading values from cache
    return cache.get(get_cache_key(user, key))

def set_permission_cache(user, key, value):
    Helper method for storing values in cache. Stores used keys so
    all of them can be cleaned when clean_permission_cache gets called.
    # store this key, so we can clean it when required
    cache_key = get_cache_key(user, key)
    cache.set(cache_key, value, settings.CMS_CACHE_DURATIONS['permissions'])

def clear_user_permission_cache(user):
    Cleans permission cache for given user.
    for key in PERMISSION_KEYS:
        cache.delete(get_cache_key(user, key))

def clear_permission_cache():
    users = User.objects.filter(is_active=True)
    for user in users:
        for key in PERMISSION_KEYS:
            cache_key = get_cache_key(user, key)
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