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pyudev._os.poll
===============
Operating system interface for pyudev.
.. moduleauthor:: Sebastian Wiesner
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Zd S )PollzwA poll object.
This object essentially provides a more convenient interface around
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_has_event1 s zPoll._has_eventc G sN t tj}x:|D ]2\}}| jj|}|s6tdj||j|| qW | |S )aG Listen for ``events``.
``events`` is a list of ``(fd, event)`` pairs, where ``fd`` is a file
descriptor or file object and ``event`` either ``'r'`` or ``'w'``. If
``r``, listen for whether that is ready to be read. If ``w``, listen
for whether the channel is ready to be written to.
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Poll.__init__Nc C s t | jt| jj|S )a{ Poll for events.
``timeout`` is an integer specifying how long to wait for events (in
milliseconds). If omitted, ``None`` or negative, wait until an event
occurs.
Return a list of all events that occurred before ``timeout``, where
each event is a pair ``(fd, event)``. ``fd`` is the integral file
descriptor, and ``event`` a string indicating the event type. If
``'r'``, there is data to read from ``fd``. If ``'w'``, ``fd`` is
writable without blocking now. If ``'h'``, the file descriptor was
hung up (i.e. the remote side of a pipe was closed).
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``events`` is a list of events as returned by
:meth:`select.poll.poll()`.
Yield all parsed events.
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