/usr/lib/python2.7/dist-packages/pyudev/pyside.py is in python-pyudev 0.16.1-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | # -*- coding: utf-8 -*-
# Copyright (C) 2010, 2011, 2012 Sebastian Wiesner <lunaryorn@gmail.com>
# This library is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation; either version 2.1 of the License, or (at your
# option) any later version.
# This library is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
# for more details.
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
pyudev.pyside
=============
PySide integration.
:class:`QUDevMonitorObserver` integrates device monitoring into the PySide_
mainloop by turing device events into Qt signals.
:mod:`PySide.QtCore` from PySide_ must be available when importing this
module.
.. _PySide: http://www.pyside.org
.. moduleauthor:: Sebastian Wiesner <lunaryorn@gmail.com>
.. versionadded:: 0.6
"""
from __future__ import (print_function, division, unicode_literals,
absolute_import)
from PySide.QtCore import QSocketNotifier, QObject, Signal
from pyudev._util import text_type
from pyudev.core import Device
from pyudev._qt_base import QUDevMonitorObserverMixin
class QUDevMonitorObserver(QObject, QUDevMonitorObserverMixin):
"""
An observer for device events integrating into the :mod:`PySide` mainloop.
This class inherits :class:`~PySide.QtCore.QObject` to turn device events
into Qt signals:
>>> from pyudev import Context, Monitor
>>> from pyudev.pyqt4 import QUDevMonitorObserver
>>> context = Context()
>>> monitor = Monitor.from_netlink(context)
>>> monitor.filter_by(subsystem='input')
>>> observer = 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:`~PySide.QtCore.QObject`.
"""
#: emitted upon arbitrary device events
deviceEvent = Signal(text_type, Device)
#: emitted, if a device was added
deviceAdded = Signal(Device)
#: emitted, if a device was removed
deviceRemoved = Signal(Device)
#: emitted, if a device was changed
deviceChanged = Signal(Device)
#: emitted, if a device was moved
deviceMoved = Signal(Device)
def __init__(self, monitor, parent=None):
"""
Observe the given ``monitor`` (a :class:`~pyudev.Monitor`):
``parent`` is the parent :class:`~PySide.QtCore.QObject` of this
object. It is passed unchanged to the inherited constructor of
:class:`~PySide.QtCore.QObject`.
"""
QObject.__init__(self, parent)
self._setup_notifier(monitor, QSocketNotifier)
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