def __getitem__(self, target):
        if isinstance(target, tuple):
            return self.attr_value(*target)
        else:
            return self.attr_value(target)
Returns the value of the given string attribute node, None if the node
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/gis/gdal/srs.py/SpatialReference.__getitem__