read_h5_to_dict.py

import h5py
import numpy as np

def read_h5_to_dict(h5_path):
    
    out_dict = {}

    def add_h5_node_to_dict(name, node, out_dict=out_dict):

        fullname = node.name
        if isinstance(node, h5py.Dataset): 
            out_dict[fullname] = np.array(node)

    with h5py.File(h5_path) as h5f:
        h5f.visititems(add_h5_node_to_dict)  # https://docs.h5py.org/en/latest/high/group.html#h5py.Group.visititems
    
    return out_dict