67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8-80 compliant>
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"""
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This module contains RestrictBlend context manager.
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"""
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__all__ = (
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"RestrictBlend",
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)
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import bpy as _bpy
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class _RestrictContext:
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__slots__ = ()
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_real_data = _bpy.data
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# safe, the pointer never changes
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_real_pref = _bpy.context.preferences
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@property
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def window_manager(self):
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return self._real_data.window_managers[0]
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@property
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def preferences(self):
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return self._real_pref
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class _RestrictData:
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__slots__ = ()
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_context_restrict = _RestrictContext()
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_data_restrict = _RestrictData()
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class RestrictBlend:
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__slots__ = ("context", "data")
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def __enter__(self):
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self.data = _bpy.data
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self.context = _bpy.context
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_bpy.data = _data_restrict
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_bpy.context = _context_restrict
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def __exit__(self, type, value, traceback):
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_bpy.data = self.data
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_bpy.context = self.context
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