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_qt_base.cpython-36.pyc
3 u1�Wk � @ s� d Z ddlmZ ddlmZ ddlmZ ddlmZ ddlZddlmZ G dd � d e �Z G d d � d e �Z d d � Z G dd� de �Z G dd� de �ZdS )z� pyudev._qt_base =============== Base mixin class for Qt4,Qt5 support. .. moduleauthor:: Sebastian Wiesner <lunaryorn@gmail.com> � )�absolute_import)�division)�print_function)�unicode_literalsN)�Devicec @ sB e Zd ZdZdd� Zedd� �Zejdd� �Zdd� Zd d � Z d S ) �MonitorObserverMixinz0 Base mixin for pyqt monitor observers. c C s2 || _ ||j� |j| �| _| jjt j| j� d S )N)�monitor�filenoZRead�notifierZ activated�intZconnect�_process_udev_event)�selfr �notifier_class� r � /usr/lib/python3.6/_qt_base.py�_setup_notifier+ s z$MonitorObserverMixin._setup_notifierc C s | j j� S )aY Whether this observer is enabled or not. If ``True`` (the default), this observer is enabled, and emits events. Otherwise it is disabled and does not emit any events. This merely reflects the state of the ``enabled`` property of the underlying :attr:`notifier`. .. versionadded:: 0.14 )r Z isEnabled)r r r r �enabled1 s z MonitorObserverMixin.enabledc C s | j j|� d S )N)r Z setEnabled)r �valuer r r r ? s c C s$ | j jdd�}|dk r | j|� dS )z� Attempt to receive a single device event from the monitor, process the event and emit corresponding signals. Called by ``QSocketNotifier``, if data is available on the udev monitoring socket. r )ZtimeoutN)r Zpoll� _emit_event)r �devicer r r r C s z(MonitorObserverMixin._process_udev_eventc C s | j j|� d S )N)� deviceEvent�emit)r r r r r r O s z MonitorObserverMixin._emit_eventN) �__name__� __module__� __qualname__�__doc__r �propertyr �setterr r r r r r r % s r c @ s e Zd ZdZdd� Zdd� ZdS )�QUDevMonitorObserverMixinz* Obsolete monitor observer mixin. c C s> t j| ||� | j| j| j| jd�| _dd l}|jdt � d S )N)�add�removeZchangeZmover zAWill be removed in 1.0. Use pyudev.pyqt4.MonitorObserver instead.) r r � deviceAdded� deviceRemoved� deviceChanged� deviceMoved�_action_signal_map�warnings�warn�DeprecationWarning)r r r r& r r r r Y s z)QUDevMonitorObserverMixin._setup_notifierc C s4 | j j|j|� | jj|j�}|d k r0|j|� d S )N)r r �actionr% �get)r r �signalr r r r d s z%QUDevMonitorObserverMixin._emit_eventN)r r r r r r r r r r r S s r c s d� �fdd� }|S )a Generates an initializer to observer the given ``monitor`` (a :class:`~pyudev.Monitor`): ``parent`` is the parent :class:`~PyQt{4,5}.QtCore.QObject` of this object. It is passed unchanged to the inherited constructor of :class:`~PyQt{4,5}.QtCore.QObject`. Nc s � j | |� | j|�� d S )N)�__init__r )r r �parent)�qobject�socket_notifierr r r, t s zmake_init.<locals>.__init__)Nr )r. r/ r, r )r. r/ r � make_initj s r0 c @ s e Zd ZdZedd� �ZdS )�MonitorObserverGeneratorz4 Class to generate a MonitorObserver class. c C s. t td�| tftd�t| |�td�|t�i�S )a Generates an observer for device events integrating into the PyQt{4,5} mainloop. This class inherits :class:`~PyQt{4,5}.QtCore.QObject` to turn device events into Qt signals: >>> from pyudev import Context, Monitor >>> from pyudev.pyqt4 import MonitorObserver >>> context = Context() >>> monitor = Monitor.from_netlink(context) >>> monitor.filter_by(subsystem='input') >>> observer = MonitorObserver(monitor) >>> def device_event(device): ... print('event {0} on device {1}'.format(device.action, device)) >>> observer.deviceEvent.connect(device_event) >>> monitor.start() This class is a child of :class:`~{PySide, PyQt{4,5}}.QtCore.QObject`. ZMonitorObserverr, r )�type�strr r0 r )r. r+ r/ r r r �make_monitor_observer� s z.MonitorObserverGenerator.make_monitor_observerN)r r r r � staticmethodr4 r r r r r1 | s r1 c @ s e Zd ZdZedd� �ZdS )� QUDevMonitorObserverGeneratorz4 Class to generate a MonitorObserver class. c C sb t td�| tftd�t| |�td�|tjt�td�|t�td�|t�td�|t�td�|t�i�S )a Generates an observer for device events integrating into the PyQt{4,5} mainloop. This class inherits :class:`~PyQt{4,5}.QtCore.QObject` to turn device events into Qt signals: >>> from pyudev import Context, Monitor >>> from pyudev.pyqt4 import MonitorObserver >>> context = Context() >>> monitor = Monitor.from_netlink(context) >>> monitor.filter_by(subsystem='input') >>> observer = MonitorObserver(monitor) >>> def device_event(device): ... print('event {0} on device {1}'.format(device.action, device)) >>> observer.deviceEvent.connect(device_event) >>> monitor.start() This class is a child of :class:`~{PyQt{4,5}, PySide}.QtCore.QObject`. ZQUDevMonitorObserverr, r r! r" r# r$ )r2 r3 r r0 �sixZ text_typer )r. r+ r/ r r r r4 � s z3QUDevMonitorObserverGenerator.make_monitor_observerN)r r r r r5 r4 r r r r r6 � s r6 )r Z __future__r r r r r7 Z pyudev.devicer �objectr r r0 r1 r6 r r r r �<module> s .'
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