def latest_torrent_dt():
"""Returns datetime for most recent torrent or start of epoch if no torrents"""
latest_torrent = Torrent.query().order(-Torrent.dt).get()
if latest_torrent:
return latest_torrent.dt
else:
return datetime.datetime.utcfromtimestamp(0)
def latest_torrents(num_items, cat_key=None):
"""Returns num_items torrent in specified category and/or its subcategories"""
if cat_key is None:
cat_key = root_category_key()
return Torrent.query(ancestor=cat_key).order(-Torrent.dt).fetch(num_items)
def torrent_keys_since_dt(dt):
"""Returns list of keys for torrents added since dt"""
return Torrent.query(Torrent.dt > dt).fetch(keys_only=True)
def latest_torrents(num_items, cat_key=None):
"""Returns num_items torrent in specified category and/or its subcategories"""
if cat_key is None:
cat_key = ROOT_CATEGORY_KEY
keys = Torrent.query(ancestor=cat_key).order(-Torrent.dt).fetch(num_items, keys_only=True, max_memcache_items=100)
return ndb.get_multi(keys, max_memcache_items=100)