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adding a lock for the create snapshot

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CURA-11650
This commit is contained in:
Saumya Jain 2024-03-07 16:13:19 +01:00
parent 9ded56c54f
commit e905ac9d33
1 changed files with 4 additions and 0 deletions
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4
plugins/3MFWriter/ThreeMFWriter.py
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@ -2,6 +2,7 @@
# Cura is released under the terms of the LGPLv3 or higher. # Cura is released under the terms of the LGPLv3 or higher.
import json import json
import re import re
import threading
from typing import Optional, cast, List, Dict, Pattern, Set from typing import Optional, cast, List, Dict, Pattern, Set
@ -65,6 +66,7 @@ class ThreeMFWriter(MeshWriter):
self._unit_matrix_string = ThreeMFWriter._convertMatrixToString(Matrix()) self._unit_matrix_string = ThreeMFWriter._convertMatrixToString(Matrix())
self._archive: Optional[zipfile.ZipFile] = None self._archive: Optional[zipfile.ZipFile] = None
self._store_archive = False self._store_archive = False
self._lock = threading.Lock()
@staticmethod @staticmethod
def _convertMatrixToString(matrix): def _convertMatrixToString(matrix):
@ -423,6 +425,7 @@ class ThreeMFWriter(MeshWriter):
@call_on_qt_thread # must be called from the main thread because of OpenGL @call_on_qt_thread # must be called from the main thread because of OpenGL
def _createSnapshot(self): def _createSnapshot(self):
Logger.log("d", "Creating thumbnail image...") Logger.log("d", "Creating thumbnail image...")
self._lock.aquire()
if not CuraApplication.getInstance().isVisible: if not CuraApplication.getInstance().isVisible:
Logger.log("w", "Can't create snapshot when renderer not initialized.") Logger.log("w", "Can't create snapshot when renderer not initialized.")
return None return None
@ -431,6 +434,7 @@ class ThreeMFWriter(MeshWriter):
except: except:
Logger.logException("w", "Failed to create snapshot image") Logger.logException("w", "Failed to create snapshot image")
return None return None
finally: self._lock.release()
return snapshot return snapshot