def readID3v2Frame(self):
frameHeader = self.readFromTag(10, "ID3v2 frame header")
if ord(frameHeader[:1]) == 0:
self.expectPadding(frameHeader[1:])
return
frameId = frameHeader[:4]
frameBodyLength = bigEndianInteger(frameHeader[4:8])
frameFlags = bigEndianInteger(frameHeader[9:10])
if frameFlags & 0x20:
self.readFromTag(1, "ID3v2 frame group identifier byte")
try:
frameBody = self.readFromTag(frameBodyLength, "ID3v2 '%s' frame body" % (frameId))
except Mp3FileError as error:
if getOption('warning'):
sys.stderr.write("warning: " + str(error) + ": skipping remainder of ID3v2 tag\n")
return False
if (self.expect("ignoring '%s' frame: compression flag" % (frameId), frameFlags & 0x80, 0) or
self.expect("ignoring '%s' frame: encryption flag" % (frameId), frameFlags & 0x40, 0)):
return True
if frameId[0] == "T" or frameId == "IPLS":
encoding = ord(frameBody[0])
self.requireMember("encoding descriptor for %s frame" % (frameId), encoding, {0, 1, 2, 3})
value = frameBody[1:].decode(id3v2EncodingToPythonEncoding[encoding], errors="strict")
if frameId == "TRCK":
if value == "":
warn("TRCK tag is present but empty (ignoring it)", self.filePath, self.stream.tell())
return False
self.track = int(value.split("/")[0])
else:
value = frameBody
self.frames[frameId] = value
return True
def __init__(self, filePath, rootPath=None):
MuseFile.__init__(self, filePath, rootPath)
self.artist = None
self.album = None
self.md5 = None
self.frames = {}
# Determine meta-data from file path
match = AudioFile.splitPattern.match(filePath)
if not match:
raise AudioFileError(filePath, "Failed to parse file path")
(dirName, fileName, fileExt) = match.group(1, 2, 3)
match = AudioFile.dirPattern.match(dirName)
if not match:
raise AudioFileError(filePath, "Failed to parse directory name " + dirName)
(dirLetter, dirArtist, dirAlbum) = match.group(1, 2, 3)
if not match.group(2) and match.group(3):
dirAlbum = None
if dirLetter or len(match.group(3)) > 1:
dirArtist = match.group(3)
else:
dirLetter = match.group(3)
#print "Directory: Letter %s Artist %s Album %s" % (dirLetter, dirArtist, dirAlbum)
match = AudioFile.filePattern.match(fileName)
if not match:
raise AudioFileError(filePath, "Failed to parse file name " + fileName)
(fileArtist, fileAlbum, self.track, self.title) = match.group(1, 2, 3, 4)
#print ("File name: Letter %s Artist %s Album %s Track %s Song %s Ext %s" %
# (dirLetter, fileArtist, fileAlbum, self.track, self.title, fileExt))
self.artist = reconcileStrings(dirArtist, fileArtist, default="Unknown")
if self.artist == "Unknown":
warn("Failed to determine an artist from the filepath", filePath)
elif self.artist == None:
self.artist = dirArtist
match = AudioFile.numericPattern.match(fileArtist)
if match and self.track == None:
self.track = match.group(1)
fileArtist = match.group(2)
fileAlbum = None
if fileArtist:
match = AudioFile.artistAlbumPattern.match(fileArtist)
if match and reconcileStrings(dirArtist, match.group(1)) and reconcileStrings(dirAlbum, match.group(2)):
fileAlbum = match.group(2)
else:
match = AudioFile.withArtistPattern.match(fileArtist)
if (not (match and (reconcileStrings(match.group(1), dirArtist) or reconcileStrings(match.group(2), dirArtist)))
and not simpleString(dirArtist) == simpleString(fileArtist).replace("_", " ")):
error("Directory artist '%s' differs from file name artist '%s'" % (dirArtist, fileArtist), filePath)
self.album = reconcileStrings(dirAlbum, fileAlbum, default="Unknown")
if self.album == "Unknown":
info("Failed to determine an album from the filepath", filePath) # Too common to warn on
elif self.album == None:
self.album = dirAlbum
if fileArtist.isdigit() and reconcileStrings(fileAlbum, dirArtist):
self.track = fileArtist
elif not reconcileStrings(fileAlbum, dirAlbum):
match = AudioFile.yearAlbumPattern.match(dirAlbum)
if match and reconcileStrings(fileAlbum, match.group(2)):
self.year = match.group(1)
self.album = match.group(2)
else:
error("Directory album '%s' differs from file name album '%s'" % (dirAlbum, fileAlbum), filePath)
newPath = ("%s/%s%s%s%s.%s"
% (dirName, safeAppend(self.artist, " - ", suppress="Unknown"), safeAppend(self.album, " - ", suppress="Unknown"),
safeAppend(self.track, " - "), self.title, fileExt))
if getOption("fix", default=False) and newPath != filePath and takeAction("rename %s to %s" % (filePath, newPath)):
os.rename(filePath, newPath)
os.utime(newPath, None)