asdf_file_create_write_read_with_numpy_arrays.py

1import asdf
2import numpy as np
3
4# Create some data
5data = {
6    'sequence': np.arange(100),
7    'powers': np.arange(100)**2,
8    'information': 'A simple example'
9}
10
11# Create an AsdfFile object
12af = asdf.AsdfFile(data)
13
14# Write the data to a file
15af.write_to("example.asdf")
16
17# Open an existing ASDF file
18with asdf.open("example.asdf") as af:
19    # Access the data via the 'tree' attribute
20    print(af.tree['information'])
21    print(af.tree['sequence'][:10])