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31 lines
655 B
Python
31 lines
655 B
Python
import logging
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import contextlib
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import nuke
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from qtpy import QtWidgets
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log = logging.getLogger(__name__)
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@contextlib.contextmanager
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def viewer_update_and_undo_stop():
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"""Lock viewer from updating and stop recording undo steps"""
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try:
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# stop active viewer to update any change
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viewer = nuke.activeViewer()
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if viewer:
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viewer.stop()
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else:
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log.warning("No available active Viewer")
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nuke.Undo.disable()
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yield
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finally:
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nuke.Undo.enable()
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def is_headless():
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"""
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Returns:
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bool: headless
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"""
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return QtWidgets.QApplication.instance() is None
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