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bmribler
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These examples are referred to from the replacement page of https://portal.hdfgroup.org/display/HDF5/Other+Examples.
38 lines
860 B
Python
38 lines
860 B
Python
#
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# This example shows how to create dataset with object references
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#
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import h5py
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import numpy as np
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#
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# Create a new file using default properties.
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#
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file = h5py.File('objref.h5','w')
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#
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# Create a group and scalar datasets under the Root group.
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#
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group = file.create_group("G1")
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dataset = file.create_dataset("DS2",(), 'i')
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#
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# Create references to the group and the dataset and store them in another dataset.
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#
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refs = (group.ref, dataset.ref)
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ref_type = h5py.h5t.special_dtype(ref=h5py.Reference)
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dataset_ref = file.create_dataset("DS1", (2,),ref_type)
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dataset_ref[...] = refs
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#
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# Close the file before exiting
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#
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file.close()
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file = h5py.File('objref.h5','r')
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dataset_ref = file["DS1"]
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refs = dataset_ref[...]
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refs_list = list(refs)
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for obj in refs_list:
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index = refs_list.index(obj)
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print("DS["+str(index)+"]:")
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print(file[obj])
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file.close()
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