Python mediafile.MediaFile类代码示例

def embedLyrics(downloaded_track_list):
    logger.info('Adding lyrics')
    
    # TODO: If adding lyrics for flac & lossy, only fetch the lyrics once
    # and apply it to both files
    for downloaded_track in downloaded_track_list:
        
        try:
            f = MediaFile(downloaded_track)
        except:
            logger.error('Could not read %s. Not checking lyrics' % downloaded_track.decode(headphones.SYS_ENCODING, 'replace'))
            continue
            
        if f.albumartist and f.title:
            metalyrics = lyrics.getLyrics(f.albumartist, f.title)
        elif f.artist and f.title:
            metalyrics = lyrics.getLyrics(f.artist, f.title)
        else:
            logger.info('No artist/track metadata found for track: %s. Not fetching lyrics' % downloaded_track.decode(headphones.SYS_ENCODING, 'replace'))
            metalyrics = None
            
        if lyrics:
            logger.debug('Adding lyrics to: %s' % downloaded_track.decode(headphones.SYS_ENCODING, 'replace'))
            f.lyrics = metalyrics
            f.save()

 def write(self):
     """Writes the item's metadata to the associated file.
     """
     f = MediaFile(syspath(self.path))
     for key in ITEM_KEYS_WRITABLE:
         setattr(f, key, getattr(self, key))
     f.save()

 def write(self):
     """Writes the item's metadata to the associated file.
     """
     f = MediaFile(syspath(self.path))
     for key in ITEM_KEYS_WRITABLE:
         if getattr(self, key):  #make sure it has a value before we set it and create blank tags with wrong types
             setattr(f, key, getattr(self, key))
     f.save()

    def write(self):
        """Writes the item's metadata to the associated file.
        """
        f = MediaFile(syspath(self.path))
        plugins.send("write", item=self, mf=f)
        for key in ITEM_KEYS_WRITABLE:
            setattr(f, key, getattr(self, key))
        f.save()

        # The file has a new mtime.
        self.mtime = self.current_mtime()

def embedAlbumArt(artwork, downloaded_track_list):
    logger.info("Embedding album art")

    for downloaded_track in downloaded_track_list:
        try:
            f = MediaFile(downloaded_track)
        except:
            logger.error("Could not read %s. Not adding album art" % downloaded_track)

        logger.debug("Adding album art to: %s" % downloaded_track)
        f.art = artwork
        f.save()

def embedAlbumArt(artwork, downloaded_track_list):
	logger.info('Embedding album art')
	
	for downloaded_track in downloaded_track_list:
		try:
			f = MediaFile(downloaded_track)
		except:
			logger.error('Could not read %s. Not adding album art' % downloaded_track)
			continue
			
		logger.debug('Adding album art to: %s' % downloaded_track)
		f.art = artwork
		f.save()

def embedAlbumArt(artwork, downloaded_track_list):
    logger.info('Embedding album art')
    
    for downloaded_track in downloaded_track_list:
        try:
            f = MediaFile(downloaded_track)
        except:
            logger.error(u'Could not read %s. Not adding album art' % downloaded_track.decode(headphones.SYS_ENCODING, 'replace'))
            continue
            
        logger.debug('Adding album art to: %s' % downloaded_track)
        f.art = artwork
        f.save()

def embedLyrics(downloaded_track_list):
  logger.info('Adding lyrics')

  for downloaded_track in downloaded_track_list:
    try:
      f = MediaFile(downloaded_track)
    except:
      logger.error('Could not read %s. Not checking lyrics' % downloaded_track)

    if f.albumartist and f.title:
      metalyrics = lyrics.getLyrics(f.albumartist, f.title)
    elif f.artist and f.title:
      metalyrics = lyrics.getLyrics(f.artist, f.title)
    else:
      logger.info('No artist/track metadata found for track: %s. Not fetching lyrics' % downloaded_track)
      metalyrics = None

    if lyrics:
      logger.debug('Adding lyrics to: %s' % downloaded_track)
      f.lyrics = metalyrics
      f.save()

def libraryScan(dir=None, append=False, ArtistID=None, ArtistName=None):

    if not dir:
        dir = headphones.MUSIC_DIR
    
    # If we're appending a dir, it's coming from the post processor which is
    # already bytestring
    if not append:
        dir = dir.encode(headphones.SYS_ENCODING)
        
    if not os.path.isdir(dir):
        logger.warn('Cannot find directory: %s. Not scanning' % dir.decode(headphones.SYS_ENCODING))
        return

    myDB = db.DBConnection()
    
    if not append:
        # Clean up bad filepaths
        tracks = myDB.select('SELECT Location, TrackID from tracks WHERE Location IS NOT NULL')
    
        for track in tracks:
            if not os.path.isfile(track['Location'].encode(headphones.SYS_ENCODING)):
                myDB.action('UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?', [None, None, None, track['TrackID']])

        myDB.action('DELETE from have')

    logger.info('Scanning music directory: %s' % dir)

    new_artists = []
    bitrates = []
    
    song_list = []
    
    for r,d,f in os.walk(dir):
        for files in f:
            # MEDIA_FORMATS = music file extensions, e.g. mp3, flac, etc
            if any(files.lower().endswith('.' + x.lower()) for x in headphones.MEDIA_FORMATS):

                song = os.path.join(r, files)

                # We need the unicode path to use for logging, inserting into database
                unicode_song_path = song.decode(headphones.SYS_ENCODING, 'replace')

                # Try to read the metadata
                try:
                    f = MediaFile(song)

                except:
                    logger.error('Cannot read file: ' + unicode_song_path)
                    continue
                    
                # Grab the bitrates for the auto detect bit rate option
                if f.bitrate:
                    bitrates.append(f.bitrate)
                    
                # Use the album artist over the artist if available
                if f.albumartist:
                    f_artist = f.albumartist
                elif f.artist:
                    f_artist = f.artist
                else:
                    f_artist = None
                    
                # Add the song to our song list - 
                # TODO: skip adding songs without the minimum requisite information (just a matter of putting together the right if statements)

                song_dict = { 'TrackID' : f.mb_trackid,
                              'ReleaseID' : f.mb_albumid,
                              'ArtistName' : f_artist,
                              'AlbumTitle' : f.album,
                              'TrackNumber': f.track,
                              'TrackLength': f.length,
                              'Genre'      : f.genre,
                              'Date'       : f.date,
                              'TrackTitle' : f.title,
                              'BitRate'    : f.bitrate,
                              'Format'     : f.format,
                              'Location'   : unicode_song_path }
                              
                song_list.append(song_dict)

    # Now we start track matching
    total_number_of_songs = len(song_list)
    logger.info("Found " + str(total_number_of_songs) + " tracks in: '" + dir + "'. Matching tracks to the appropriate releases....")
    
    # Sort the song_list by most vague (e.g. no trackid or releaseid) to most specific (both trackid & releaseid)
    # When we insert into the database, the tracks with the most specific information will overwrite the more general matches
    
    song_list = helpers.multikeysort(song_list, ['ReleaseID', 'TrackID'])
    
    # We'll use this to give a % completion, just because the track matching might take a while
    song_count = 0
    
    for song in song_list:
        
        song_count += 1
        completion_percentage = float(song_count)/total_number_of_songs * 100
        
        if completion_percentage%10 == 0:
            logger.info("Track matching is " + str(completion_percentage) + "% complete")
#.........这里部分代码省略.........

def libraryScan(dir=None):

    if not dir:
        dir = headphones.MUSIC_DIR

    try:
        dir = str(dir)
    except UnicodeEncodeError:
        dir = unicode(dir).encode("unicode_escape")

    if not os.path.isdir(dir):
        logger.warn("Cannot find directory: %s. Not scanning" % dir)
        return

    myDB = db.DBConnection()

    # Clean up bad filepaths
    tracks = myDB.select("SELECT Location, TrackID from tracks WHERE Location IS NOT NULL")

    for track in tracks:
        if not os.path.isfile(track["Location"].encode(headphones.SYS_ENCODING)):
            myDB.action(
                "UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?",
                [None, None, None, track["TrackID"]],
            )

    logger.info("Scanning music directory: %s" % dir)

    new_artists = []
    bitrates = []

    myDB.action("DELETE from have")

    for r, d, f in os.walk(dir):
        for files in f:
            # MEDIA_FORMATS = music file extensions, e.g. mp3, flac, etc
            if any(files.lower().endswith("." + x.lower()) for x in headphones.MEDIA_FORMATS):

                song = os.path.join(r, files)
                file = unicode(os.path.join(r, files), headphones.SYS_ENCODING, errors="replace")

                # Try to read the metadata
                try:
                    f = MediaFile(song)

                except:
                    logger.error("Cannot read file: " + file)
                    continue

                    # Grab the bitrates for the auto detect bit rate option
                if f.bitrate:
                    bitrates.append(f.bitrate)

                    # Try to find a match based on artist/album/tracktitle
                if f.albumartist:
                    f_artist = f.albumartist
                elif f.artist:
                    f_artist = f.artist
                else:
                    continue

                if f_artist and f.album and f.title:

                    track = myDB.action(
                        "SELECT TrackID from tracks WHERE CleanName LIKE ?",
                        [helpers.cleanName(f_artist + " " + f.album + " " + f.title)],
                    ).fetchone()

                    if not track:
                        track = myDB.action(
                            "SELECT TrackID from tracks WHERE ArtistName LIKE ? AND AlbumTitle LIKE ? AND TrackTitle LIKE ?",
                            [f_artist, f.album, f.title],
                        ).fetchone()

                    if track:
                        myDB.action(
                            "UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?",
                            [file, f.bitrate, f.format, track["TrackID"]],
                        )
                        continue

                        # Try to match on mbid if available and we couldn't find a match based on metadata
                if f.mb_trackid:

                    # Wondering if theres a better way to do this -> do one thing if the row exists,
                    # do something else if it doesn't
                    track = myDB.action("SELECT TrackID from tracks WHERE TrackID=?", [f.mb_trackid]).fetchone()

                    if track:
                        myDB.action(
                            "UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?",
                            [file, f.bitrate, f.format, track["TrackID"]],
                        )
                        continue

                        # if we can't find a match in the database on a track level, it might be a new artist or it might be on a non-mb release
                new_artists.append(f_artist)

                # The have table will become the new database for unmatched tracks (i.e. tracks with no associated links in the database
                myDB.action(
#.........这里部分代码省略.........

def libraryScan(dir=None):

	if not dir:
		dir = headphones.MUSIC_DIR
		
	try:
		dir = str(dir)
	except UnicodeEncodeError:
		dir = unicode(dir).encode('unicode_escape')
		
	if not os.path.isdir(dir):
		logger.warn('Cannot find directory: %s. Not scanning' % dir)
		return

	myDB = db.DBConnection()
	
	# Clean up bad filepaths
	tracks = myDB.select('SELECT Location, TrackID from tracks WHERE Location IS NOT NULL')
	
	for track in tracks:
		if not os.path.isfile(track['Location'].encode(headphones.SYS_ENCODING)):
			myDB.action('UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?', [None, None, None, track['TrackID']])

	logger.info('Scanning music directory: %s' % dir)

	new_artists = []
	bitrates = []

	myDB.action('DELETE from have')
	
	for r,d,f in os.walk(dir):
		for files in f:
			# MEDIA_FORMATS = music file extensions, e.g. mp3, flac, etc
			if any(files.lower().endswith('.' + x.lower()) for x in headphones.MEDIA_FORMATS):

				song = os.path.join(r, files)
				file = unicode(os.path.join(r, files), headphones.SYS_ENCODING, errors='replace')

				# Try to read the metadata
				try:
					f = MediaFile(song)

				except:
					logger.error('Cannot read file: ' + file)
					continue
					
				# Grab the bitrates for the auto detect bit rate option
				if f.bitrate:
					bitrates.append(f.bitrate)
				
				# Try to find a match based on artist/album/tracktitle
				if f.albumartist:
					f_artist = f.albumartist
				elif f.artist:
					f_artist = f.artist
				else:
					continue
				
				if f_artist and f.album and f.title:

					track = myDB.action('SELECT TrackID from tracks WHERE CleanName LIKE ?', [helpers.cleanName(f_artist +' '+f.album+' '+f.title)]).fetchone()
						
					if not track:
						track = myDB.action('SELECT TrackID from tracks WHERE ArtistName LIKE ? AND AlbumTitle LIKE ? AND TrackTitle LIKE ?', [f_artist, f.album, f.title]).fetchone()
					
					if track:
						myDB.action('UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?', [file, f.bitrate, f.format, track['TrackID']])
						continue		
				
				# Try to match on mbid if available and we couldn't find a match based on metadata
				if f.mb_trackid:

					# Wondering if theres a better way to do this -> do one thing if the row exists,
					# do something else if it doesn't
					track = myDB.action('SELECT TrackID from tracks WHERE TrackID=?', [f.mb_trackid]).fetchone()
		
					if track:
						myDB.action('UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?', [file, f.bitrate, f.format, track['TrackID']])
						continue				
				
				# if we can't find a match in the database on a track level, it might be a new artist or it might be on a non-mb release
				new_artists.append(f_artist)
				
				# The have table will become the new database for unmatched tracks (i.e. tracks with no associated links in the database				
				myDB.action('INSERT INTO have (ArtistName, AlbumTitle, TrackNumber, TrackTitle, TrackLength, BitRate, Genre, Date, TrackID, Location, CleanName, Format) VALUES( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)', [f_artist, f.album, f.track, f.title, f.length, f.bitrate, f.genre, f.date, f.mb_trackid, file, helpers.cleanName(f_artist+' '+f.album+' '+f.title), f.format])

	logger.info('Completed scanning of directory: %s' % dir)
	logger.info('Checking filepaths to see if we can find any matches')

	# Now check empty file paths to see if we can find a match based on their folder format
	tracks = myDB.select('SELECT * from tracks WHERE Location IS NULL')
	for track in tracks:
	
		release = myDB.action('SELECT * from albums WHERE AlbumID=?', [track['AlbumID']]).fetchone()

		try:
			year = release['ReleaseDate'][:4]
		except TypeError:
			year = ''
			
#.........这里部分代码省略.........

def libraryScan(dir=None):

    if not dir:
        dir = headphones.MUSIC_DIR
        
    dir = dir.encode(headphones.SYS_ENCODING)
        
    if not os.path.isdir(dir):
        logger.warn('Cannot find directory: %s. Not scanning' % dir.decode(headphones.SYS_ENCODING))
        return

    myDB = db.DBConnection()
    
    # Clean up bad filepaths
    tracks = myDB.select('SELECT Location, TrackID from tracks WHERE Location IS NOT NULL')
    
    for track in tracks:
        if not os.path.isfile(track['Location'].encode(headphones.SYS_ENCODING)):
            myDB.action('UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?', [None, None, None, track['TrackID']])

    logger.info('Scanning music directory: %s' % dir)

    new_artists = []
    bitrates = []

    myDB.action('DELETE from have')
    
    for r,d,f in os.walk(dir):
        for files in f:
            # MEDIA_FORMATS = music file extensions, e.g. mp3, flac, etc
            if any(files.lower().endswith('.' + x.lower()) for x in headphones.MEDIA_FORMATS):

                song = os.path.join(r, files)

                # We need the unicode path to use for logging, inserting into database
                unicode_song_path = song.decode(headphones.SYS_ENCODING, 'replace')

                # Try to read the metadata
                try:
                    f = MediaFile(song)

                except:
                    logger.error('Cannot read file: ' + unicode_song_path)
                    continue
                    
                # Grab the bitrates for the auto detect bit rate option
                if f.bitrate:
                    bitrates.append(f.bitrate)
                
                # Try to find a match based on artist/album/tracktitle
                if f.albumartist:
                    f_artist = f.albumartist
                elif f.artist:
                    f_artist = f.artist
                else:
                    continue
                
                if f_artist and f.album and f.title:

                    track = myDB.action('SELECT TrackID from tracks WHERE CleanName LIKE ?', [helpers.cleanName(f_artist +' '+f.album+' '+f.title)]).fetchone()
                        
                    if not track:
                        track = myDB.action('SELECT TrackID from tracks WHERE ArtistName LIKE ? AND AlbumTitle LIKE ? AND TrackTitle LIKE ?', [f_artist, f.album, f.title]).fetchone()
                    
                    if track:
                        myDB.action('UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?', [unicode_song_path, f.bitrate, f.format, track['TrackID']])
                        continue        
                
                # Try to match on mbid if available and we couldn't find a match based on metadata
                if f.mb_trackid:

                    # Wondering if theres a better way to do this -> do one thing if the row exists,
                    # do something else if it doesn't
                    track = myDB.action('SELECT TrackID from tracks WHERE TrackID=?', [f.mb_trackid]).fetchone()
        
                    if track:
                        myDB.action('UPDATE tracks SET Location=?, BitRate=?, Format=? WHERE TrackID=?', [unicode_song_path, f.bitrate, f.format, track['TrackID']])
                        continue                
                
                # if we can't find a match in the database on a track level, it might be a new artist or it might be on a non-mb release
                new_artists.append(f_artist)
                
                # The have table will become the new database for unmatched tracks (i.e. tracks with no associated links in the database                
                myDB.action('INSERT INTO have (ArtistName, AlbumTitle, TrackNumber, TrackTitle, TrackLength, BitRate, Genre, Date, TrackID, Location, CleanName, Format) VALUES( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)', [f_artist, f.album, f.track, f.title, f.length, f.bitrate, f.genre, f.date, f.mb_trackid, unicode_song_path, helpers.cleanName(f_artist+' '+f.album+' '+f.title), f.format])

    logger.info('Completed scanning directory: %s' % dir)
    
    # Clean up the new artist list
    unique_artists = {}.fromkeys(new_artists).keys()
    current_artists = myDB.select('SELECT ArtistName, ArtistID from artists')
    
    artist_list = [f for f in unique_artists if f.lower() not in [x[0].lower() for x in current_artists]]
    
    # Update track counts
    logger.info('Updating track counts')

    for artist in current_artists:
        havetracks = len(myDB.select('SELECT TrackTitle from tracks WHERE ArtistID like ? AND Location IS NOT NULL', [artist['ArtistID']])) + len(myDB.select('SELECT TrackTitle from have WHERE ArtistName like ?', [artist['ArtistName']]))
        myDB.action('UPDATE artists SET HaveTracks=? WHERE ArtistID=?', [havetracks, artist['ArtistID']])
        
#.........这里部分代码省略.........

  def fileSystemScan(self):
    # Now check empty file paths to see if we can find a match based on their folder format
    tracks = myDB.select('SELECT * from tracks WHERE Location IS NULL')

    for track in tracks:
      release = myDB.action('SELECT * from albums WHERE AlbumID=?', [track['AlbumID']]).fetchone()

      try:
        year = release['ReleaseDate'][:4]
      except TypeError:
        year = ''

      artist = release['ArtistName'].replace('/', '_')
      album = release['AlbumTitle'].replace('/', '_')

      if release['ArtistName'].startswith('The '):
        sortname = release['ArtistName'][4:]
      else:
        sortname = release['ArtistName']

      if sortname.isdigit():
        firstchar = '0-9'
      else:
        firstchar = sortname[0]

      lowerfirst = firstchar.lower()
      albumvalues = { 'artist': artist,
        'album':  album,
        'year':   year,
        'first':  firstchar,
        'lowerfirst': lowerfirst
      }

      folder = helpers.replace_all(headphones.FOLDER_FORMAT, albumvalues)
      folder = folder.replace('./', '_/').replace(':','_').replace('?','_')

      if folder.endswith('.'):
        folder = folder.replace(folder[len(folder)-1], '_')

      if not track['TrackNumber']:
        tracknumber = ''
      else:
        tracknumber = '%02d' % track['TrackNumber']

      trackvalues = { 'tracknumber':  tracknumber,
        'title':    track['TrackTitle'],
        'artist':   release['ArtistName'],
        'album':    release['AlbumTitle'],
        'year':     year
      }

      new_file_name = helpers.replace_all(headphones.FILE_FORMAT, trackvalues).replace('/','_') + '.*'
      new_file_name = new_file_name.replace('?','_').replace(':', '_')
      full_path_to_file = os.path.normpath(os.path.join(headphones.MUSIC_DIR, folder, new_file_name)).encode(headphones.SYS_ENCODING, 'replace')
      match = glob.glob(full_path_to_file)

      if match:
        logger.info('Found a match: %s. Writing MBID to metadata' % match[0])

        unipath = unicode(match[0], headphones.SYS_ENCODING, errors='replace')

        myDB.action('UPDATE tracks SET Location=? WHERE TrackID=?', [unipath, track['TrackID']])
        myDB.action('DELETE from have WHERE Location=?', [unipath])

        # Try to insert the appropriate track id so we don't have to keep doing this
        try:
          f = MediaFile(match[0])
          f.mb_trackid = track['TrackID']
          f.save()
          myDB.action('UPDATE tracks SET BitRate=? WHERE TrackID=?', [f.bitrate, track['TrackID']])

          logger.debug('Wrote mbid to track: %s' % match[0])
        except:
          logger.error('Error embedding track id into: %s' % match[0])
          continue