61 lines
2.7 KiB
Python
61 lines
2.7 KiB
Python
# SPDX-License-Identifier: LGPL-2.1-or-later
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# ***************************************************************************
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# * *
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# * Copyright (c) 2022 FreeCAD Project Association *
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# * *
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# * This file is part of FreeCAD. *
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# * *
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# * FreeCAD is free software: you can redistribute it and/or modify it *
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# * under the terms of the GNU Lesser General Public License as *
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# * published by the Free Software Foundation, either version 2.1 of the *
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# * License, or (at your option) any later version. *
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# * *
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# * FreeCAD is distributed in the hope that it will be useful, but *
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# * WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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# * Lesser General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Lesser General Public *
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# * License along with FreeCAD. If not, see *
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# * <https://www.gnu.org/licenses/>. *
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# * *
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# ***************************************************************************
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"""Wrap QtCore imports so that can be replaced when running outside of FreeCAD (e.g. for
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unit tests, etc.) Only provides wrappers for the things commonly used by the Addon
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Manager."""
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try:
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from PySide import QtCore
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QObject = QtCore.QObject
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Signal = QtCore.Signal
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def is_interruption_requested() -> bool:
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return QtCore.QThread.currentThread().isInterruptionRequested()
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except ImportError:
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QObject = object
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class Signal:
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"""A purely synchronous signal. emit() does not use queued slots so cannot be
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used across threads."""
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def __init__(self, *args):
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self.expected_types = args
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self.connections = []
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def connect(self, func):
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self.connections.append(func)
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def disconnect(self, func):
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if func in self.connections:
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self.connections.remove(func)
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def emit(self, *args):
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for connection in self.connections:
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connection(args)
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def is_interruption_requested() -> bool:
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return False
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