#!/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
"""
from .util.log import Logger
__all__ = ["TaurusListener", "TaurusExceptionListener"]
__docformat__ = "restructuredtext"
[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, exception):
msg = (
'Deprecation warning: please note that the "connectionFailed" '
+ "method is deprecated. Scheme-specific exceptions should be "
+ "implemented in each model and be transformed into taurus "
+ "exceptions according Sep3 specifications"
)
self.info(msg)
self._printException(exception)
[docs]
def devFailed(self, exception):
msg = (
'Deprecation warning: please note that the "devFailed" '
+ "method is deprecated. Scheme-specific exceptions should be "
+ "implemented in each model and be transformed into taurus "
+ "exception according Sep3 specifications"
)
self.info(msg)
self._printException(exception)
[docs]
def exceptionReceived(self, exception):
self._printException(exception)
def _printException(self, exception):
print(
self.__class__.__name__,
"received",
exception.__class__.__name__,
str(exception),
)