def _string(value):
    return isinstance(value, basestring)
Create a binding to an extension point.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/resource.py/_string--crossover with--dataset/ETHPy150Open enthought/envisage/envisage/extension_point.py/ExtensionPoint.bind