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1040fe8705
Notably this causes processing modules to silently fail to load without any warnings if the required dependancies (such as pyscopg2) are not installed
48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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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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