def get_recording_by_id(mbid):
recording = cache.get(mbid)
if not recording:
try:
recording = musicbrainzngs.get_recording_by_id(mbid, includes=['artists', 'releases', 'media'])['recording']
except ResponseError as e:
raise DataUnavailable(e)
cache.set(mbid, recording, time=CACHE_TIMEOUT)
return recording
def get_recording_by_id(mbid):
recording = cache.get(mbid)
if not recording:
try:
recording = musicbrainzngs.get_recording_by_id(
mbid, includes=['artists', 'releases', 'media'])['recording']
except ResponseError as e:
raise DataUnavailable(e)
cache.set(mbid, recording, time=CACHE_TIMEOUT)
return recording
def get_stats():
stats_keys = ["lowlevel-lossy", "lowlevel-lossy-unique", "lowlevel-lossless", "lowlevel-lossless-unique"]
# TODO: Port this to new implementation:
stats = cache._mc.get_multi(stats_keys, key_prefix="ac-num-")
last_collected = cache.get('last-collected')
# Recalculate everything together, always.
if sorted(stats_keys) != sorted(stats.keys()) or last_collected is None:
stats_parameters = dict([(a, 0) for a in stats_keys])
with create_cursor() as cursor:
cursor.execute("SELECT now() as now, collected FROM statistics ORDER BY collected DESC LIMIT 1")
update_db = False
if cursor.rowcount > 0:
(now, last_collected) = cursor.fetchone()
if cursor.rowcount == 0 or now - last_collected > datetime.timedelta(minutes=59):
update_db = True
cursor.execute("SELECT lossless, count(*) FROM lowlevel GROUP BY lossless")
for row in cursor.fetchall():
if row[0]: stats_parameters['lowlevel-lossless'] = row[1]
if not row[0]: stats_parameters['lowlevel-lossy'] = row[1]
cursor.execute("SELECT lossless, count(*) FROM (SELECT DISTINCT ON (mbid) mbid, lossless FROM lowlevel ORDER BY mbid, lossless DESC) q GROUP BY lossless;")
for row in cursor.fetchall():
if row[0]: stats_parameters['lowlevel-lossless-unique'] = row[1]
if not row[0]: stats_parameters['lowlevel-lossy-unique'] = row[1]
if update_db:
for key, value in six.iteritems(stats_parameters):
cursor.execute("INSERT INTO statistics (collected, name, value) VALUES (now(), %s, %s) RETURNING collected", (key, value))
commit()
cursor.execute("SELECT now()")
last_collected = cursor.fetchone()[0]
value = stats_parameters
# TODO: Port this to new implementation:
cache._mc.set_multi(stats_parameters, key_prefix="ac-num-", time=STATS_CACHE_TIMEOUT)
cache.set('last-collected', last_collected, time=STATS_CACHE_TIMEOUT)
else:
value = stats
return value, last_collected
def get_last_submitted_recordings():
last_submitted_data = cache.get('last-submitted-data')
if not last_submitted_data:
with create_cursor() as cursor:
cursor.execute("""SELECT mbid,
data->'metadata'->'tags'->'artist'->>0,
data->'metadata'->'tags'->'title'->>0
FROM lowlevel
ORDER BY id DESC
LIMIT 5
OFFSET 10""")
last_submitted_data = cursor.fetchall()
last_submitted_data = [
(r[0], r[1], r[2]) for r in last_submitted_data if r[1] and r[2]
]
cache.set('last-submitted-data', last_submitted_data, time=LAST_MBIDS_CACHE_TIMEOUT)
return last_submitted_data
