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# Copyright 2015 Virantha Ekanayake All Rights Reserved. 

# 

# Licensed under the Apache License, Version 2.0 (the "License"); 

# you may not use this file except in compliance with the License. 

# You may obtain a copy of the License at 

# 

#    http://www.apache.org/licenses/LICENSE-2.0 

# 

# Unless required by applicable law or agreed to in writing, software 

# distributed under the License is distributed on an "AS IS" BASIS, 

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

# See the License for the specific language governing permissions and 

# limitations under the License. 

 

import signal, logging 

 

""" 

    Used for handling keyboard interrupts in Pools. 

        Basically, throw an Exception when we see the ctrl-c, so that it actaully is propagated to the parent class 

""" 

 

class KeyboardInterruptError(Exception): pass 

 

def signal_handle(_signal, frame): 

    logging.debug("Stopping job") 

    raise KeyboardInterruptError() 

 

 

def init_worker(): 

    """ used for catching ctrl-c 

    """ 

    signal.signal(signal.SIGINT, signal_handle)