H5A.open
Open an existing attribute, name, that is attached to an object specified by an object identifier, obj_id.
The attribute access property list, aapl_id, is currently unused
and should be 'H5P_DEFAULT'.
This function, must be called before an attribute can be accessed for any further purpose, including reading, writing, or any modification.
The attribute identifier attr_id returned by this function must be released with H5A.close or resource leaks will develop.
See original function at https://support.hdfgroup.org/documentation/hdf5/latest/group___h5_a.html. See also: H5A.close
Source Code: H5A.open