def load_tag(song_id,location):
sqla_session = get_session()
song = sqla_session.query(Song).get(song_id)
song_tag = tagtools.tag_handler(location)
song_data,failed = song_tag.read(ignore=REQ_SONG_DATA+["SONGID"])
for frame in song_data.keys():
if song_data[frame] not in song.tags.\
filter(Tag.frame==frame).all():
change_tag(song_id,frame,song_data[frame],write_tag=False)
close_session(sqla_session)
def add_song(location):
sqla_session = get_session()
song_tag = tagtools.tag_handler(location)
song_data,failed = song_tag.read(REQ_SONG_DATA,force=True)
song = Song(song_data['TITLE'],song_data['ARTIST'],song_data['ALBUM'])
sqla_session.add(song)
sqla_session.commit()
song_id = song.id
close_session(sqla_session)
load_tag(song_id,location)
return song_id
def change_tag(song_id, frame, value, write_tag=False):
frame = frame.upper()
remove_tags(song_id,frame)
sqla_session = get_session()
song = sqla_session.query(Song).get(song_id)
if frame in REQ_SONG_DATA:
exec('song.'+frame.lower()+'=\''+value+'\'')
else:
try:
tag = sqla_session.query(Tag).filter(tag.frame==frame)\
.filter(tag.value==value).one()
except:
tag = Tag(frame,value)
sqla_session.add(tag)
song.tags.append(tag)
if write_tag:
locations = [song_file.location for song_file in song.song_files]
for location in locations:
song_tag = tagtools.tag_handler(location)
song_tag.write({frame:value})
close_session(sqla_session)
