gui.CONNECTOR.CONNECTOR Class Reference

Public Member Functions
def	__init__ (self)
def	Connect (self, object, channel, function, args)
def	Disconnect (self, object, channel, function, args)
def	Emit (self, object, channel, *args)

Public Attributes
	connections

Detailed Description

Definition at line 46 of file CONNECTOR.py.

Constructor & Destructor Documentation

__init__()

def gui.CONNECTOR.CONNECTOR.__init__

(

self

)

Definition at line 48 of file CONNECTOR.py.

  def __init__(self):
    self.connections={}
 

Member Function Documentation

Connect()

def gui.CONNECTOR.CONNECTOR.Connect	(		self,
			object,
			channel,
			function,
			args
	)

Definition at line 51 of file CONNECTOR.py.

  def Connect(self, object, channel, function, args):
    
    idx = id(object)
    if idx in self.connections:
       channels = self.connections[idx]
    else:
       channels = self.connections[idx] = {}
 
    if channel in channels:
       receivers = channels[channel]
    else:
       receivers = channels[channel] = []
 
    for funct,fargs in receivers[:]:
        if funct() is None:
           receivers.remove((funct,fargs))
        elif (function,args) == (funct(),fargs):
           receivers.remove((funct,fargs))
 
    receivers.append((ref(function),args))
    
    
 

References gui.CONNECTOR.CONNECTOR.connections, and gui.CONNECTOR.ref().

Disconnect()

def gui.CONNECTOR.CONNECTOR.Disconnect	(		self,
			object,
			channel,
			function,
			args
	)

Definition at line 74 of file CONNECTOR.py.

  def Disconnect(self, object, channel, function, args):
    try:
       receivers = self.connections[id(object)][channel]
    except KeyError:
       raise ConnectorError('no receivers for channel %s of %s' % (channel, object))
 
    for funct,fargs in receivers[:]:
        if funct() is None:
           receivers.remove((funct,fargs))
 
    for funct,fargs in receivers:
        if (function,args) == (funct(),fargs):
           receivers.remove((funct,fargs))
           if not receivers:
              # the list of receivers is empty now, remove the channel
              channels = self.connections[id(object)]
              del channels[channel]
              if not channels:
                 # the object has no more channels
                 del self.connections[id(object)]
           return
 
    raise ConnectorError('receiver %s%s is not connected to channel %s of %s' \
          % (function, args, channel, object))
 
 

References gui.CONNECTOR.CONNECTOR.connections.

Emit()

def gui.CONNECTOR.CONNECTOR.Emit	(		self,
			object,
			channel,
		*	args
	)

Definition at line 100 of file CONNECTOR.py.

  def Emit(self, object, channel, *args):
    
    try:
       receivers = self.connections[id(object)][channel]
    except KeyError:
       return
    
    for rfunc, fargs in copy(receivers):
       try:
          func=rfunc()
          if func:
             func(*args + fargs)
          else:
             # Le receveur a disparu
             if (rfunc,fargs) in receivers:receivers.remove((rfunc,fargs))
       except:
          traceback.print_exc()
 

References gui.CONNECTOR.CONNECTOR.connections.

Member Data Documentation

connections

gui.CONNECTOR.CONNECTOR.connections

Definition at line 49 of file CONNECTOR.py.

Referenced by gui.CONNECTOR.CONNECTOR.Connect(), gui.CONNECTOR.CONNECTOR.Disconnect(), and gui.CONNECTOR.CONNECTOR.Emit().

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The documentation for this class was generated from the following file:

• src/pyqt/gui/CONNECTOR.py