def update_secs_zsecs(tid_or_track, force=False, fast=False, do_commit=True):
"""Updates the seconds and optionally zero-stripped seconds (sec,zsec) for a track
Takes either a Track object or a track id.
If force is False (default) then only computes if values are missing
If fast is True we don't decode the file. Instead we read in times from track header.
Also we set zsecs to -1 if it is not already...
If do_commit is true, we commit this to the database. Otherwise we do not"""
#album 6451 does not work for our audioio
if isinstance(tid_or_track, Track):
track = tid_or_track
else:
track = Track.query.get(tid_or_track)
if track == None:
raise ValueError('Track for id %i not found in update_secs_zsecs' %
tid_or_track)
#fast case we only update the secs
#the defaults for these is -1 in the database. There should be no NULL values
if track.secs is None:
track.secs = -1
if track.zsecs is None:
track.zsecs = -1
if force or (fast and track.secs <= 0) or (
(not fast) and (track.secs <= 0 or track.zsecs <= 0)):
a = AudioFile(track.fn_audio)
if fast: #update secs but not zsecs based on file header (no decoding)
zsecs = -1
(fs, chans, secs) = a.read_stats()
else: #update both secs and zsecs by decoding file and actually working with audio (more accurate)
secs, zsecs = a.get_secs_zsecs()
track.secs = secs
track.zsecs = zsecs
print 'Processed track', track.id, secs, zsecs
if do_commit:
commit()
return (track.secs, track.zsecs)
def update_secs_zsecs(tid_or_track,force=False,fast=False,do_commit=True):
"""Updates the seconds and optionally zero-stripped seconds (sec,zsec) for a track
Takes either a Track object or a track id.
If force is False (default) then only computes if values are missing
If fast is True we don't decode the file. Instead we read in times from track header.
Also we set zsecs to -1 if it is not already...
If do_commit is true, we commit this to the database. Otherwise we do not"""
#album 6451 does not work for our audioio
if isinstance(tid_or_track,Track) :
track=tid_or_track
else :
track = Track.query.get(tid_or_track)
if track==None :
raise ValueError('Track for id %i not found in update_secs_zsecs' % tid_or_track)
#fast case we only update the secs
#the defaults for these is -1 in the database. There should be no NULL values
if track.secs is None :
track.secs=-1
if track.zsecs is None:
track.zsecs=-1
if force or (fast and track.secs<=0) or ((not fast) and (track.secs<=0 or track.zsecs <=0)) :
a = AudioFile(track.fn_audio)
if fast : #update secs but not zsecs based on file header (no decoding)
zsecs=-1
(fs,chans,secs)=a.read_stats()
else : #update both secs and zsecs by decoding file and actually working with audio (more accurate)
secs, zsecs = a.get_secs_zsecs()
track.secs=secs
track.zsecs=zsecs
print 'Processed track',track.id,secs,zsecs
if do_commit :
commit()
return (track.secs,track.zsecs)
def add_mp3(mp3, source=str(datetime.date.today()), gordonDir=DEF_GORDON_DIR, id3_dict=dict(), artist=None, album=None, fast_import=False, import_id3=False):
'''Add mp3 with filename <mp3> to database
@param source: audio files data source
@param gordonDir: main Gordon directory
@param tag_dict: dictionary of key,val ID3 tags pairs - See add_album(...).
@param artist: The artist for this track. An instance of Artist. None if not present
@param album: The album for this track. An instance of Album. None if not present
@param fast_import: If true, do not calculate strip_zero length. Defaults to False
@param import_id3: Specifies if we want to get the id3 tags from the file. Defaults to True
'''
(filepath, filename) = os.path.split(mp3)
log.debug(' Adding mp3 file "%s" of "%s" album by %s - add_mp3()', filename, album, artist)
# validations
if len(id3_dict) == 0 :
#todo: currently cannot add singleton mp3s. Need an album which is defined in id3_dict
log.error(' Cannot add "%s" because it is not part of an album', filename)
return -1 # didn't add
if not os.path.isfile(mp3) :
log.debug(' Skipping %s because it is not a file', filename)
return -1 # not a file
# required data
bytes = os.stat(mp3)[stat.ST_SIZE]
# try: #get track length
# eyed3_secs = int(id3.mp3_gettime(mp3)) #from mp3_eyed3
# except :
# log.error(' Could not read time from mp3 %s', mp3)
# eyed3_secs = -1
#we get odd filenames that cannot be easily encoded. This seems to come
#from times when a latin-1 filesystem named files and then those filenames
#are brought over to a utf filesystem.
try:
fn_recoded = filename.decode('utf-8')
except :
try :
fn_recoded = filename.decode('latin1')
except :
fn_recoded = 'unknown'
# prepare data
if id3_dict['compilation'] not in [True, False, 'True', 'False'] :
id3_dict['compilation'] = False
track = Track(title = id3_dict[u'title'],
artist = id3_dict[u'artist'],
album = id3_dict[u'album'],
tracknum = id3_dict[u'tracknum'],
compilation = id3_dict[u'compilation'],
otitle = id3_dict[u'title'],
oartist = id3_dict[u'artist'],
oalbum = id3_dict[u'album'],
otracknum = id3_dict[u'tracknum'],
ofilename = os.path.join(filepath,fn_recoded),
source = unicode(source),
bytes = bytes)
# add data
add(track)
commit() #to get our track id we need to write this record
log.debug(' Wrote track record %s to database', track.id)
if fast_import :
#try to get the seconds from ffmpeg
track.zsecs = -1
track.secs= -1
try :
a = AudioFile(filename)
[ignore_fs,ignore_chans,track.secs] = a.read_stats()
except :
log.warn(" Could not read stats from", filename)
else :
a = AudioFile(filename)
[track.secs, track.zsecs] = a.get_secs_zsecs()
track.path = u"%s" % get_tidfilename(track.id)
#This is a bit confusing. For backwards compat #todo: clean up DB relationships
if artist:
log.debug(' Linking to artist %s', artist)
track.artist = artist.name
track.artists.append(artist)
if album:
log.debug(' Linking to album %s', album)
track.album = album.name
track.albums.append(album)
commit() # save (again) the track record (this time)
log.debug(' * Wrote album and artist additions to track into database')
#copy the file to the Gordon instal audio/feature data directory
tgt = os.path.join(gordonDir, 'audio', 'main', track.path)
make_subdirs_and_copy(filename, tgt)
log.debug(' Copied mp3 "%s" to %s', filename, tgt)
#stamp the file ("TID n" as an ID3v2 commment)
id3.id3v2_putval(tgt, 'tid', 'T%i' % track.id) # writes on new audio file (the copy)
# We update id3 tags in mp3 if necessary (from local MusicBrainz DB, when no info found)
#todo: try this when Gordon has no write access to the files, does the script handle the error? (can't roll back saved tracks now)
if track.otitle <> track.title or track.oartist <> track.artist or track.oalbum <> track.album or track.otracknum <> track.tracknum :
log.debug(' (NOT) Trying to update_mp3_from_db %s %s', track.id,
os.path.join(gordonDir, 'audio', 'main'))
try:
from gordon.db.mbrainz_resolver import GordonResolver
gordonResolver = GordonResolver()
try:
if not gordonResolver.update_mp3_from_db(track.id, audioDir = os.path.join(gordonDir, 'audio', 'main'), doit = True) :
pass # if file not found ...
except Exception: # except for file access crashes?
pass
except:
log.warning(' MusicBrainz interface is not installed. Refer to Gordon INSTALL notes.')
#search for other annotations and store them in the database
_store_annotations(mp3, track, import_id3)
