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