import py

def test_make_sdist_and_run_it(capfd, py_setup, venv):
    try:
        sdist = py_setup.make_sdist(venv.path)
        venv.easy_install(str(sdist)) 
        gw = venv.makegateway()
        ch = gw.remote_exec("import py ; channel.send(py.__version__)")
        version = ch.receive()
        assert version == py.__version__
    except KeyboardInterrupt:
        raise
    except:
        print capfd.readouterr()
        raise
    capfd.close()