code: def getAllReceivers( sender = Any, signal = Any ):
      
      receivers = {}
      for set in (
          # Get receivers that receive *this* signal from *this* sender.
          getReceivers( sender, signal ),
          # Add receivers that receive *any* signal from *this* sender.
          getReceivers( sender, Any ),
          # Add receivers that receive *this* signal from *any* sender.
          getReceivers( Any, signal ),
          # Add receivers that receive *any* signal from *any* sender.
          getReceivers( Any, Any ),
      ):
          for receiver in set:
              if receiver: # filter out dead instance-method weakrefs
                  try:
                      if receiver not in receivers:
                          receivers[receiver] = 1
                          yield receiver
                  except TypeError:
                      # dead weakrefs raise TypeError on hash...
                      pass
docs: Get list of all receivers from global tables
  
      This gets all receivers which should receive
      the given signal from sender, each receiver should
      be produced only once by the resulting generator