def set_dimensions(child: Block, generator: CompoundGenerator) -> List[Future]:
num_dims = len(generator.dimensions)
assert num_dims <= 10, "Can only do 10 dims, you gave me %s" % num_dims
attr_dict: Dict = dict(numExtraDims=num_dims - 1)
# Fill in dim name and size
# NOTE: HDF writer has these filled with fastest moving first
# while dimensions is slowest moving first
for i in range(10):
suffix = SUFFIXES[i]
if i < num_dims:
forward_i = num_dims - i - 1
index_name = "d%d" % forward_i
index_size = generator.dimensions[forward_i].size
else:
index_name = ""
index_size = 1
attr_dict["posNameDim%s" % suffix] = index_name
attr_dict["extraDimSize%s" % suffix] = index_size
futures = child.put_attribute_values_async(attr_dict)
return futures
