Source Code for Module camelot.camelot.view.response_handler

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27   
28  """QT Response handler class to be used when constructing 
29  a model thread. Construct this response handler within the 
30  GUI thread to have all responses being handled within the 
31  event loop of the GUI thread.""" 
32   
33  import threading 
34  import logging 
35   
36  logger = logging.getLogger('response_handler') 
37  logger.setLevel(logging.INFO) 
38   
39  from PyQt4.QtCore import * 
40   
41  from model_thread import get_model_thread 
42     
43 -class ResponseHandler(QObject): 
44 -  def __init__(self): 
45      QObject.__init__(self) 
46      self.response_signal = SIGNAL("responseAvailable()") 
47      self.start_signal = SIGNAL("startProcessingRequest()") 
48      self.stop_signal = SIGNAL("stopProcessingRequest()") 
49      self.connect(self, self.response_signal, self.handleResponse) 
50 -  def handleResponse(self): 
51      logger.debug('handle responses in thread %s'%str(threading.currentThread())) 
52      get_model_thread().process_responses() 
53 -  def responseAvailable(self): 
54      logger.debug('response available in thread %s'%str(threading.currentThread())) 
55      self.emit(self.response_signal) 
56 -  def startProcessingRequest(self): 
57      self.emit(self.start_signal) 
58 -  def stopProcessingRequest(self): 
59      self.emit(self.stop_signal) 
60