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# -*- coding: utf-8 -*- |
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# ----------------------------------------------------------------------------- |
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# Copyright (c) 2015 Yann Lanthony |
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# Copyright (c) 2017-2018 Spyder Project Contributors |
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# |
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# Licensed under the terms of the MIT License |
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# (See LICENSE.txt for details) |
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# ----------------------------------------------------------------------------- |
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"""Contains the Qt implementation of the Watcher api.""" |
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# yapf: disable |
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from __future__ import absolute_import |
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# Third party imports |
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QT_BINDING = None |
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if not QT_BINDING: |
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try: |
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from PySide2.QtWidgets import QApplication |
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from PySide2.QtCore import QFileSystemWatcher |
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QT_BINDING = 'pyside2' |
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except ImportError: |
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pass |
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if not QT_BINDING: |
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try: |
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from PyQt5.QtWidgets import QApplication |
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from PyQt5.QtCore import QFileSystemWatcher |
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QT_BINDING = 'pyqt5' |
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except ImportError: |
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pass |
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if not QT_BINDING: |
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try: |
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from PySide.QtGui import QApplication |
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from PySide.QtCore import QFileSystemWatcher |
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QT_BINDING == 'pyside' |
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except ImportError: |
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pass |
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if not QT_BINDING: |
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from PyQt4.QtGui import QApplication |
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from PyQt4.QtCore import QFileSystemWatcher |
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QT_BINDING == 'pyqt4' |
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# Local imports |
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from qtsass.watchers.api import Watcher |
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# yapf: enable |
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# TODO: This doesn't work yet. |
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class QtWatcher(Watcher): |
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"""The Qt implementation of the Watcher api. Uses a QFileSystemWatcher |
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to monitor the filesystem. |
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""" |
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_qt_binding = QT_BINDING |
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def setup(self): |
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self._qapp = QApplication.instance() |
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if not self._qapp: |
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raise RuntimeError('QtWatcher created before QApplication.') |
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self._qfswatcher = QFileSystemWatcher() |
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def connect(self, fn): |
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self._qfswatcher.fileChanged.connect(fn) |
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self._qfswatcher.directoryChanged.connect(fn) |
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def disconnect(self, fn): |
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self._qfswatcher.fileChanged.disconnect(fn) |
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self._qfswatcher.directoryChanged.disconnect(fn) |
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def start(self): |
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self._qfswatcher.addPath(self._watch_dir) |
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def stop(self): |
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self._qfswatcher.removePath(self._watch_dir) |
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self._qfswatcher = None |
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def join(self): |
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"""Nothing to join here. Unlike PollingWatcher and WatchdogWatcher.""" |
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spyder-ide /
qtsass
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