def invalidate_settings_cache(sender=None, instance=None, isnew=False, **kwargs):
if isnew:
return
site_id = instance.site.id
key = create_cache_key(Settings, field='site__id', field_value=site_id)
cache.set(key, None, 5)
def get_all():
key = create_cache_key(ThirdPartySoftware, field='type', field_value='all')
software_list = cache.get(key, None)
if not software_list:
try:
software_list = ThirdPartySoftware.objects.all().order_by('name')
cache.add(key, software_list)
except Navigation.DoesNotExist:
return None
return software_list
def get_navigation(name):
key = create_cache_key(Navigation, field='name', field_value=name)
navigation = cache.get(key, None)
if not navigation:
try:
navigation = Navigation.objects.filter(name=name)[0]
cache.add(key, navigation)
except Navigation.DoesNotExist:
return None
return navigation
def get_current():
site = Site.objects.get_current()
key = create_cache_key(Settings, field='site__id', field_value=site.id)
settings = cache.get(key, None)
if not settings:
try:
settings = Settings.objects.get(site=site)
cache.add(key, settings)
except Navigation.DoesNotExist:
return None
return settings
def _get_eyes(request, url):
cache_key = create_cache_key({"url": url, "type": "eyes"})
# download image from internet
api = ImageAPI()
api.open_from_internet(url)
# try to get from cache
faces = cache.get(cache_key)
if faces is not None:
logger.debug("found faces in cache for %s" % url)
else:
# identify faces
faces = detect_eyes_from_pil_image(api.image)
# put on cache for 1h
cache.set(cache_key, faces, 3600)
return api, faces
def invalidate_thirdpartysoftware_cache(sender=None, instance=None, isnew=False, **kwargs):
if isnew:
return
key = create_cache_key(ThirdPartySoftware, field='type', field_value='all')
cache.set(key, None, 5)
def invalidate_navigation_cache(sender=None, instance=None, isnew=False, **kwargs):
if isnew:
return
key = create_cache_key(Navigation, field='name', field_value=instance.name)
cache.set(key, None, 5)