Eval+IcePAP

ipap_rw_example.py

"""
Examples on using the evaluation scheme for exposing icepap driver values
as taurus attributes

Note that:

- the first attribute is writable
- The second and 3rd attributes do not even require defining MyIpap
"""

from pyIcePAP import EthIcePAP


class MyIpap(EthIcePAP):

    def get_pos1(self):
        return int(self.getPosition(1))

    def set_pos1(self, v):
        self.setPosition(1, int(v))

    pos1 = property(get_pos1, set_pos1)


if __name__ == "__main__":
    import sys
    from taurus.qt.qtgui.application import TaurusApplication
    from taurus.qt.qtgui.panel import TaurusForm
    app = TaurusApplication()
    w = TaurusForm()
    w.setModifiableByUser(True)
    m = ['eval:@ipap=taurus.core.evaluation.test.res.ipap_rw_example.MyIpap("icepap13",port=5000)/ipap.pos1',
         'eval:@ipap=pyIcePAP.EthIcePAP("icepap13", port=5000)/float(ipap.readParameter(1,"POS"))',
         'eval:@ipap=pyIcePAP.EthIcePAP("icepap13", port=5000)/float(ipap.readParameter(2,"POS"))',
         ]
    w.setModel(m)
    w.show()
    sys.exit(app.exec_())

Note: this needs taurus >=4.0.4-alpha