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Utilities implemented in this file are not dependent
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s zsubscription.__init__c C s | j j| j� d | _ d | _d S )N)r �remover )r r r r � unsubscribe s zsubscription.unsubscribec C s | j � dS )zAn alias for unsubscribe()N)r
)r r r r �
disconnect s zsubscription.disconnectc C s | S )Nr )r r r r � __enter__ s zsubscription.__enter__c C s | j d k r| j� d S )N)r r
)r �exc_type� exc_value� tracebackr r r �__exit__ s
zsubscription.__exit__N)r r ) �__name__�
__module__� __qualname__� __slots__r r
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dS )� bound_signal�
__signal__�__self__c C s || _ || _d S )N)r r )r �signal�instancer r r r " s zbound_signal.__init__c C s | j j| j S )N)r �mapr )r r r r � callbacks& s zbound_signal.callbacksc C s | j j| j|�S )zSubscribe to the signal.)r �connectr )r r r r r r * s zbound_signal.connectc G s | j j| jf|�� dS )zEmit the signal.N)r �emitr )r �argsr r r r . s zbound_signal.emitc G s | j |� dS )zEmit the signal.N)r )r r r r r �__call__2 s zbound_signal.__call__c C s d| j j d t| j� d S )Nz<bound signal z of �>)r r �reprr )r r r r �__repr__6 s zbound_signal.__repr__N)r r ) r r r r r �propertyr r r r r" r r r r r s r c @ s@ e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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� Z dS )r a� Static signal object
You're expected to set it as a class property::
class A:
SomethingHappened = signal()
Declared this way, it can be used on class instances
to connect signal observers::
a = A()
a.SomethingHappened.connect(func)
and emit the signal::
a.SomethingHappened()
You may pass any parameters to the emiting function
- they will be forwarded to all subscribed callbacks.
c C s i | _ d| _d| _d S )Nz<anonymous signal>zSignal.)r r �__doc__)r r r r r O s zsignal.__init__c C s t | jj|g �|�S )zSubscribe to the signal.)r r �
setdefault)r �objectr r r r r T s zsignal.connectc G s$ x | j j|g �D ] }||� qW dS )zEmit the signal.N)r �get)r r& r �cbr r r r X s z signal.emitc C s |d kr | S t | |�S )N)r )r r �ownerr r r �__get__] s zsignal.__get__c C s t d��d S )Nzcan't set attribute)�AttributeError)r r �valuer r r �__set__c s zsignal.__set__c C s d| j d tt| �d� d S )Nz<signal z at 0x�xr )r �format�id)r r r r r" f s zsignal.__repr__N)
r r r r$ r r r r* r- r" r r r r r 9 s r N)r$ r& r r r �typer Z bound_methodr r r r �<module> s 0