def register(cls, batch=100):
"""Crawls concerts with no tracks in batches of 100 and
populate their tracks in your db. Crawling tracks can take a
long time (a few days) especially on low-performance
machines. You may wish to run `Track.register()` in multiple
python instances to crawl tracks concurrently. It is naively
architected to avoid duplicates.
usage:
>>> from api.music import Track
>>> Track.register()
"""
while True:
try:
offset = randint(0, int(Concert.query.count() / batch))
concerts = Concert.trackless_concerts(
limit=batch, offset=offset
)
if not concerts:
break
for concert in concerts:
print("%s CONCERT: %s" % ("*" * 10, concert.tag))
concert.register_tracks()
# remove concert if it still has no tracks after
# attempting to crawl. (likely book / some other
# media accidentally include)
if not concert.tracks:
print("Removing %s" % concert.tag)
concert.remove()
except (ObjectDeletedError, InvalidRequestError):
db.remove()
def register_songs(self):
"""Discovers and creates db entries for the Songs of this
Album through the musixmatch api.
usage:
>>> from api.music import Artist
>>> a = Artist.get(tag="ExplosionsintheSky")
>>> a.albums[0].register_songs()
"""
songs = Musix.album_songs(self.musixmatch)
for song in songs:
print(song)
try:
s = Song.get(musixmatch=str(song['track_id']))
except core.GrooveboxException:
s = Song(musixmatch=str(song['track_id']),
name=song['track_name'],
artist_id=self.artist_id)
s.create()
s.albums.append(self)
try:
s.save()
except Exception:
db.remove()
def inner(*args, **kwargs):
try:
try:
res = f(*args, **kwargs)
if isinstance(res, wrappers.Response):
return res
response = Response(json.dumps(res, cls=DatetimeEncoder))
except Exception as e:
top = traceback.extract_stack()[-1]
r = {
"message":
str(e),
"error":
', '.join([
type(e).__name__,
os.path.basename(top[0]),
str(top[1])
])
}
response = Response(json.dumps(r))
response.headers.add('Content-Type', 'application/json')
response.headers['Access-Control-Allow-Credentials'] = 'true'
return response
finally:
db.rollback()
db.remove()
def inner(*args, **kwargs):
try:
return jsonify(f(*args, **kwargs))
except Exception as e:
return jsonify({"error": str(e)})
finally:
db.rollback()
db.remove()
def inner(*args, **kwargs):
try:
return jsonify(f(*args, **kwargs))
except Exception as e:
return jsonify({"error": str(e)})
finally:
db.rollback()
db.remove()
def inner(*args, **kwargs):
try:
try:
res = f(*args, **kwargs)
if isinstance(res, wrappers.Response):
return res
response = Response(json.dumps(res, cls=DatetimeEncoder))
except Exception as e:
top = traceback.extract_stack()[-1]
r = {"message": str(e)}
if DEBUG:
r['error'] = ', '.join([type(e).__name__,
os.path.basename(top[0]),
str(top[1])
])
response = Response(json.dumps(r))
response.headers.add('Content-Type', 'application/json')
response.headers['Access-Control-Allow-Credentials'] = 'true'
return response
finally:
db.rollback()
db.remove()
def shutdown_session(exception=None):
# Removes db session at the end of each request
db.remove()