def run(verbosity=1,doctest=False,numpy=True):
    try:
        import nose
    except ImportError:
        raise ImportError(\
            "The nose package is needed to run the NetworkX tests.")

    sys.stderr.write("Running NetworkX tests:")
    nx_install_dir=path.join(path.dirname(__file__), path.pardir)
    # stop if running from source directory
    if getcwd() == path.abspath(path.join(nx_install_dir,path.pardir)):
        raise RuntimeError("Can't run tests from source directory.\n"
                           "Run 'nosetests' from the command line.")

    argv=[' ','--verbosity=%d'%verbosity,
          '-w',nx_install_dir,
          '-exe']
    if doctest:
        argv.extend(['--with-doctest','--doctest-extension=txt'])
    if not numpy:
        argv.extend(['-A not numpy'])


    nose.run(argv=argv)
Run NetworkX tests.
dataset/ETHPy150Open networkx/networkx/networkx/tests/test.py/run