from qolab.hardware.scpi import SCPIinstr

class RFGenerator:
    # Minimal set of methods to be implemented.
    pass

class RFGeneratorSCPI(SCPIinstr, RFGenerator):
    """     
    Do not instantiate directly, use
    rm = pyvisa.ResourceManager()
    ScopeSCPI(rm.open_resource('TCPIP::192.168.0.2::INSTR'))
    """
    pass
    def __init__(self, resource):
        SCPIinstr.__init__(self, resource)
        RFGenerator.__init__(self)

from .agilent_e8257d import AgilentE8257D