mutagen/aiff.py
def save(self, filename=None, v2_version=4, v23_sep='/'):
        """Save ID3v2 data to the AIFF file"""

        framedata = self._prepare_framedata(v2_version, v23_sep)
        framesize = len(framedata)

        if filename is None:
            filename = self.filename

        # Unlike the parent ID3.save method, we won't save to a blank file
        # since we would have to construct a empty AIFF file
        fileobj = open(filename, 'rb+')
        iff_file = IFFFile(fileobj)

        try:
            if u'ID3' not in iff_file:
                iff_file.insert_chunk(u'ID3')

            chunk = iff_file[u'ID3']
            fileobj.seek(chunk.data_offset)

            header = fileobj.read(10)
            header = self._prepare_id3_header(header, framesize, v2_version)
            header, new_size, _ = header

            data = header + framedata + (b'\x00' * (new_size - framesize))

            # Include ID3 header size in 'new_size' calculation
            new_size += 10

            # Expand the chunk if necessary, including pad byte
            if new_size > chunk.size:
                insert_at = chunk.offset + chunk.size
                insert_size = new_size - chunk.size + new_size % 2
                insert_bytes(fileobj, insert_size, insert_at)
                chunk.resize(new_size)

            fileobj.seek(chunk.data_offset)
            fileobj.write(data)
        finally:
            fileobj.close()
def save(self, filename=None, v2_version=4, v23_sep='/'):
        """Save ID3v2 data to the AIFF file"""

        framedata = self._prepare_framedata(v2_version, v23_sep)
        framesize = len(framedata)

        if filename is None:
            filename = self.filename

        # Unlike the parent ID3.save method, we won't save to a blank file
        # since we would have to construct a empty AIFF file
        fileobj = open(filename, 'rb+')
        iff_file = IFFFile(fileobj)

        try:
            if u'ID3' not in iff_file:
                iff_file.insert_chunk(u'ID3')

            chunk = iff_file[u'ID3']
            fileobj.seek(chunk.data_offset)

            header = fileobj.read(10)
            header = self._prepare_id3_header(header, framesize, v2_version)
            header, new_size, _ = header

            data = header + framedata + (b'\x00' * (new_size - framesize))

            # Include ID3 header size in 'new_size' calculation
            new_size += 10

            # Expand the chunk if necessary, including pad byte
            if new_size > chunk.size:
                insert_at = chunk.offset + chunk.size
                insert_size = new_size - chunk.size + new_size % 2
                insert_bytes(fileobj, insert_size, insert_at)
                chunk.resize(new_size)

            fileobj.seek(chunk.data_offset)
            fileobj.write(data)
        finally:
            fileobj.close()
Save ID3v2 data to the AIFF file