mutagen/aiff.py
def resize(self, data_size):
        """Update the size of the chunk"""
        self.__fileobj.seek(self.offset + 4)
        self.__fileobj.write(pack('>I', data_size))
        if self.parent_chunk is not None:
            size_diff = self.data_size - data_size
            self.parent_chunk.resize(self.parent_chunk.data_size - size_diff)
        self.data_size = data_size
        self.size = data_size + self.HEADER_SIZE
def resize(self, data_size):
        """Update the size of the chunk"""
        self.__fileobj.seek(self.offset + 4)
        self.__fileobj.write(pack('>I', data_size))
        if self.parent_chunk is not None:
            size_diff = self.data_size - data_size
            self.parent_chunk.resize(self.parent_chunk.data_size - size_diff)
        self.data_size = data_size
        self.size = data_size + self.HEADER_SIZE
Update the size of the chunk