45 lines
997 B
Python
45 lines
997 B
Python
from ..utils.misc import singleton
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class _BaseLock:
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_update_lock: int
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def __enter__(self):
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self._update_lock += 1
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def __exit__(self, exc_type, exc_val, exc_tb):
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self._update_lock -= 1
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def push(self):
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""" Manually enter the locking scope. """
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self._update_lock += 1
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def pop(self):
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""" Manually exit the locking scope. """
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self._update_lock -= 1
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@property
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def status(self) -> bool:
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"""
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Test if depsgraph handlers are locked now.
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:return: True if locked, else False.
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"""
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return bool(self._update_lock)
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@singleton
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class DepsgraphLock(_BaseLock):
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"""
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Locks all depsgraph handler operations. Ensures no automated UI takss are handled in enclosed code.
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"""
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_update_lock: int = 0
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@singleton
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class UIPropUpdateLock(_BaseLock):
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"""
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Locks all update() callback in bpy.props custom defined properties that support locking.
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"""
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_update_lock: int = 0
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