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ZG dd� de�ZG dd� de�Zdd� Zd S ) zVThis module contains mainloop wrappers.
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S )r a An abstract main loop wrapper class and factory.
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zMainLoop.__new__c C sH t jdk rtd��dti}||kr.|| t _ntd|dj|�f ��dS )zxSet a main loop type for non-blocking interfaces.
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t � �dS )z Iterates over one pending event.N)r )r r
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