import h5py

# open trigger file
fname = 'O2_triggers_pycbc.hdf5'
trigger_set = h5py.File(fname, 'r')

# print the properties of the most significant triggers
print('Properties of most significant triggers in file {0}'.format(fname))

for i, far in enumerate(trigger_set['false_alarm_rate']):

    # only consider triggers with false alarm rate < 1/year
    if far < 1.0:
        print('')
        print('Trigger number {0}:'.format(i))

        # print all the properties of the found triggers
        for key in trigger_set.keys():
            print('... {0}: {1}'.format(key, trigger_set[key][i]))