def openFile(cls, path):
fileExtension = os.path.splitext(path)[1][1:].strip().lower()
if fileExtension not in Tagger.FILEFORMATS:
raise TaggerError("File not supported!", path)
try:
if fileExtension == "mp3":
file = MP3tag(path)
elif fileExtension == "flac":
file = FLACtag(path)
except MutagenError as e:
raise TaggerError("Cannot open file because " + str(e), path)
return file
def retrieveSelectedImage(cls, hash, path):
file = cls.openFile(path)
try:
for item in file.retrieveImages():
if item.tag.HashKey == hash:
return item.tag.data
except ModuleTaggerError as e:
raise TaggerError(e.msg, e.src)
def addImage(cls, mode, src, desc, type, path):
file = cls.openFile(path)
if mode == "path":
try:
data = open(src, 'rb').read()
format = imghdr.what("image", data)
if not format or format not in cls.IMAGEFORMATS:
raise TaggerError("Unsupported image file format!", format)
else:
file.addImage(desc, type, data, format)
except IOError:
raise TaggerError("Cannot open image file!", src)
except ModuleTaggerError as e:
raise TaggerError(e.msg, path)
elif mode == "url":
try:
response = requests.get(src)
data = response.content
format = imghdr.what("image", data)
if not format or format not in cls.IMAGEFORMATS:
raise TaggerError("Unsupported image file format!", format)
else:
file.addImage(desc, type, data, format)
except ModuleTaggerError as e:
raise TaggerError(e.msg, path)
except Exception as e:
raise TaggerError("Cannot load image from url!", src)
else:
raise TaggerError("Wrong mode selected", "")
def retrieveCoverImage(cls, path):
file = cls.openFile(path)
data = None
try:
for item in file.retrieveImages():
if item.type == "COVER_FRONT":
return item.tag.data
else:
data = item.tag.data
except ModuleTaggerError as e:
raise TaggerError(e.msg, e.src)
if data:
return data
def putTag(cls, name, value, path):
try:
file = cls.openFile(path)
file.putTag(name, value)
except MutagenError:
raise TaggerError("Tag in file cannot be changed!", path)
def deleteTag(cls, path):
try:
file = cls.openFile(path)
file.deleteTag()
except MutagenError:
raise TaggerError("Whole tag cannot be deleted!", path)
def deleteAllImages(cls, path):
try:
file = cls.openFile(path)
file.deleteAllImages()
except MutagenError:
raise TaggerError("Images deletion cannot be done!", path)
def deleteImage(cls, hash, path):
try:
file = cls.openFile(path)
file.deleteImage(hash)
except MutagenError:
raise TaggerError("Image deletion cannot be done!", path)
def changeImageDesc(cls, desc, hash, path):
try:
file = cls.openFile(path)
file.changeImageDesc(desc, hash)
except MutagenError:
raise TaggerError("Image description cannot be changed!", path)
def changeImageType(cls, type, hash, path):
try:
file = cls.openFile(path)
file.changeImageType(type, hash)
except MutagenError:
raise TaggerError("Image type cannot be changed!", path)
def retrieveAllImagesDetails(cls, path):
file = cls.openFile(path)
try:
return file.retrieveImages()
except ModuleTaggerError as e:
raise TaggerError(e.msg, e.src)