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文件: /usr/share/doc/python-urwid-1.1.1/docs/reference/signals.rst
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Signal Functions ================ .. currentmodule:: urwid The :func:`urwid.\*_signal` functions use a shared Signals object instance for tracking registered and connected signals. There is no reason to instantiate your own Signals object. .. function:: connect_signal(obj, name, callback, user_arg=None) .. automethod:: Signals.connect .. function:: disconnect_signal(obj, name, callback, user_arg=None) .. automethod:: Signals.disconnect .. function:: register_signal(sig_cls, signals) .. automethod:: Signals.register .. function:: emit_signal(obj, name, \*args) .. automethod:: Signals.emit
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