emane/events/antennaprofileevent.py

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#
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from . import Event
from . import antennaprofileevent_pb2

class AntennaProfileEvent(Event):
    IDENTIFIER = 102

    def __init__(self):
        self._event = antennaprofileevent_pb2.AntennaProfileEvent()

    def append(self,nemId,**kwargs):
        hasProfile = False
        hasAzimuth = False
        hasElevation = False

        profile = self._event.profiles.add()

        profile.nemId = nemId

        for (name,value) in list(kwargs.items()):

            if name == 'profile':
                if isinstance(value,int):
                    hasProfile = True
                    profile.profileId = value
                else:
                    raise ValueError("profile must be an integer")

            elif name == 'azimuth':
                if isinstance(value,int) or \
                        isinstance(value,float):
                    hasAzimuth = True
                    profile.antennaAzimuthDegrees = value
                else:
                    raise ValueError("azimuth must be numeric")

            elif name == 'elevation':
                if isinstance(value,int) or \
                        isinstance(value,float):
                    hasElevation = True
                    profile.antennaElevationDegrees = value
                else:
                    raise ValueError("elevation must be numeric")

            else:
                raise KeyError("unknown parameter: %s" % name)

        if not (hasProfile and hasAzimuth and hasElevation):
            raise KeyError("must specify profile, azimuth and elevation")


    def serialize(self):
        return self._event.SerializeToString()

    def restore(self,data):
        self._event.ParseFromString(data)

    def __iter__(self):
        for profile in self._event.profiles:
            kwargs = {'profile': profile.profileId,
                      'azimuth' : profile.antennaAzimuthDegrees,
                      'elevation' : profile.antennaElevationDegrees}

            yield (profile.nemId,kwargs)