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# Source code for camelot.core.threading

    #  ============================================================================
    #
    #  Copyright (C) 2007-2011 Conceptive Engineering bvba. All rights reserved.
    #  www.conceptive.be / project-camelot@conceptive.be
    #
    #  This file is part of the Camelot Library.
    #
    #  This file may be used under the terms of the GNU General Public
    #  License version 2.0 as published by the Free Software Foundation
    #  and appearing in the file license.txt included in the packaging of
    #  this file.  Please review this information to ensure GNU
    #  General Public Licensing requirements will be met.
    #
    #  If you are unsure which license is appropriate for your use, please
    #  visit www.python-camelot.com or contact project-camelot@conceptive.be
    #
    #  This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    #  WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    #
    #  For use of this library in commercial applications, please contact
    #  project-camelot@conceptive.be
    #
    #  ============================================================================
    '''
    Some helper functions and classes related
    to threading issues
    '''

    from PyQt4 import QtCore

    def synchronized( original_function ):
        """Decorator for synchronized access to an object, the object should
        have an attribute _mutex which is of type QMutex
        """

        from functools import wraps

        @wraps( original_function )
        def wrapper(self, *args, **kwargs):
            locker = QtCore.QMutexLocker(self._mutex)
            result = original_function(self, *args, **kwargs)
            locker.unlock()
            return result

        return wrapper

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