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45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
"""
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***************************************************************************
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projectdirtyblocker.py
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---------------------
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Date : May 2018
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Copyright : (C) 2018 by Denis Rouzaud
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Email : denis@opengis.ch
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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from qgis._core import QgsProjectDirtyBlocker
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class ProjectDirtyBlocker:
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"""
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Context manager used to block project setDirty calls.
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.. code-block:: python
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project = QgsProject.instance()
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with QgsProject.blockDirtying(project):
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# do something
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.. versionadded:: 3.2
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"""
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def __init__(self, project):
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self.project = project
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self.blocker = None
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def __enter__(self):
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self.blocker = QgsProjectDirtyBlocker(self.project)
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return self.project
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def __exit__(self, ex_type, ex_value, traceback):
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del self.blocker
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return ex_type is None
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