def read_mapping(self, group: zarr.Group) -> dict:
res_dict = {}
if 'scalar' in group.attrs:
res_dict.update(group.attrs['scalar'])
for key in group.array_keys():
res_dict[key] = self.read_array(group, key)
for key in group.group_keys():
sub_group = group[key]
data_type = sub_group.attrs['data_type']
value = None
if data_type == 'data_frame' or data_type == 'record_array':
value = self.read_dataframe(sub_group)
elif data_type == 'csr_matrix':
value = self.read_csr(sub_group)
else:
assert data_type == 'dict'
value = self.read_mapping(sub_group)
res_dict[key] = value
return res_dict
def read_array(self, group: zarr.Group, name: str) -> Union[np.ndarray, np.recarray]:
if name in group.group_keys():
return self.read_dataframe(group[name])
else:
return group[name][...]
