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pyudev.pyqt4
============
Provide :class:`~pyudev.pyqt4.QUDevMonitorObserver` to integrate a
:class:`~pyudev.Monitor` into the Qt event loop in applications using the
PyQt4_ binding to Qt.
To use this module, :mod:`PyQt4.QtCore` from PyQt4_ must be available.
.. _PyQt4: http://riverbankcomputing.co.uk/software/pyqt/intro
.. moduleauthor:: Sebastian Wiesner <lunaryorn@googlemail.com>
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Observe a :class:`~pyudev.Monitor` and emit Qt signals upon device
events:
>>> context = pyudev.Context()
>>> monitor = pyudev.Monitor.from_netlink(context)
>>> monitor.filter_by(subsystem='input')
>>> observer = pyudev.pyqt4.QUDevMonitorObserver(monitor)
>>> def device_connected(device):
... print('{0!r} added'.format(device))
>>> observer.deviceAdded.connect(device_connected)
>>> monitor.start()
This class is a child of :class:`~PyQt4.QtCore.QObject`.
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Observe the given ``monitor`` (a :class:`~pyudev.Monitor`):
``parent`` is the parent :class:`~PyQt4.QtCore.QObject` of this
object. It is passed unchanged to the inherited constructor of
:class:`~PyQt4.QtCore.QObject`.
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