Contoh pandas.read_hfd5 ()

def iMain():
    """
    Read an hdf file generated by us to make sure
    we can recover its content and structure.
    Give the name of an hdf5 file as a command-line argument.
    """
    assert sys.argv, __doc__
    sFile = sys.argv[1]
    assert os.path.isfile(sFile)
    oHdfStore = pandas.HDFStore(sFile, mode='r')
    print oHdfStore.groups()
    # bug - no return value
    # oSignals = pandas.read_hdf(oHdfStore, '/servings/signals')
    mSignals = oHdfStore.select('/recipe/servings/mSignals', auto_close=False)    
    print mSignals
    print oHdfStore.get_node('/recipe')._v_attrs.metadata[0]['sUrl'] 
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