plot.py 文件源码

def __call__(self, parser, namespace, values, option_string=None):
        # extract the path to our data, and the label for the legend
        datapath = os.path.abspath(os.path.expanduser(values[0]))
        label = values[1]
        # check the path exists
        if not os.path.exists(datapath): raise argparse.ArgumentError(self, "The supplied path to the plot data does not exist: '{0}'".format(datapath))
        # remove the default
        if "_didremovedefault" not in namespace:
            setattr(namespace, self.dest, [])
            setattr(namespace, "_didremovedefault", True)
        # append out new experiment path
        dest = getattr(namespace, self.dest)
        dest.append((datapath, label))