Source code for taurus.core.tauruslistener

#!/usr/bin/env python

#############################################################################
##
## This file is part of Taurus
## 
## http://taurus-scada.org
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
## 
## Taurus 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.
## 
## Taurus is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU Lesser General Public License for more details.
## 
## You should have received a copy of the GNU Lesser General Public License
## along with Taurus.  If not, see <http://www.gnu.org/licenses/>.
##
#############################################################################

"""This module contains the taurus base listeners classes"""

__all__ = ["TaurusListener", "TaurusExceptionListener"]

__docformat__ = "restructuredtext"

from .util.log import Logger

[docs]class TaurusListener(Logger): """ TaurusListener Interface""" def __init__(self, name, parent=None): self.call__init__(Logger, name, parent)
[docs] def eventReceived(self, src, type, evt_value): """ Method to implement the event notification""" pass
[docs] def attributeList(self): """ Method to return the attributes of the widget""" return []
[docs]class TaurusExceptionListener(object): """Class for handling ConnectionFailed, DevFailed and TaurusException exceptions."""
[docs] def connectionFailed(self, ex): self._printException(ex)
[docs] def devFailed(self, exception): self._printException(self)
[docs] def exceptionReceived(self, exception): import PyTango if isinstance(exception, PyTango.ConnectionFailed): self.connectionFailed(exception) elif isinstance(exception, PyTango.DevFailed): self.devFailed(exception) else: self._printException(exception)
def _printException(self, exception): print self.__class__.__name__, "received", exception.__class__.__name__, str(exception)