Source code for sardana.pool.pooltwodexpchannel

#!/usr/bin/env python

##############################################################################
##
# This file is part of Sardana
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# http://www.sardana-controls.org/
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# Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
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# Sardana is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
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# Sardana is distributed in the hope that it will be useful,
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# GNU Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public License
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"""This module is part of the Python Pool library. It defines the base classes
for TwoDExpChannel"""

__all__ = ["Pool2DExpChannel"]

__docformat__ = 'restructuredtext'

from sardana import ElementType
from sardana.sardanaevent import EventType

from sardana.pool.poolbasechannel import PoolTimerableChannel


[docs] class Pool2DExpChannel(PoolTimerableChannel): def __init__(self, **kwargs): self._data_source = None self._timer = None kwargs['elem_type'] = ElementType.TwoDExpChannel PoolTimerableChannel.__init__(self, **kwargs) # -------------------------------------------------------------------------- # data source # --------------------------------------------------------------------------
[docs] def get_data_source(self, cache=True, propagate=1): msg = ("data_source is deprecated since " "version 2.8.0. Use value_ref instead.") self.warning(msg) if not cache or self._data_source is None: data_source = self.read_data_source() self._set_data_source(data_source, propagate=propagate) return self._data_source
def _set_data_source(self, data_source, propagate=1): self._data_source = data_source if not propagate: return self.fire_event( EventType("data_source", priority=propagate), data_source)
[docs] def read_data_source(self): data_source = self.controller.get_axis_par(self.axis, "data_source") return data_source
data_source = property( get_data_source, doc="source identifier for the 2D data")