import datetime
from itertools import izip, chain
import logging
from jinja2.utils import escape
from templatefilters import escapejs, timesince_ago
from points import VideoPointCalculator, video_progress_from_points
from models import Exercise, UserExerciseGraph
from models import UserVideoCss, Video, UserVideo
from models import Topic, Setting
import pickle
import layer_cache
@layer_cache.cache_with_key_fxn(
lambda : "content_data_%s" % (Setting.cached_content_add_date()),
layer=layer_cache.Layers.Blobstore)
def get_content_data():
topics = {str(t.key()):(idx, t) for idx, t in enumerate(Topic.get_visible_topics())}
topic_names = {}
def get_topics_of(item):
def g():
if not item.topic_string_keys:
return
seen = set()
for tk in item.topic_string_keys:
try:
idx, topic = topics[tk]
except KeyError:
continue
for depth, tk2 in enumerate(topic.ancestor_keys[:-1][::-1]):
