536   def Generate(self, image):  argument
539   def DecomposeSparseImage(self, image):  argument
563     self.image = None
584   def DecomposeSparseImage(self, image):  argument
592     self.image = image
593     assert self.block_size == image.blocksize
594     assert self.partition_size == image.total_blocks * self.block_size, \
596         " total_blocks: {}".format(self.partition_size, image.total_blocks)
624     meta_data = b''.join(self.image.ReadRangeSet(metadata_range))
658       self.image.WriteRangeDataToFd(self.hashtree_info.filesystem_range, fd)
677       return fd.read() == b''.join(self.image.ReadRangeSet(
680   def Generate(self, image):  argument
691     self.DecomposeSparseImage(image)