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Fix memory leak in previewer

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Related thread:
https://forums.ankiweb.net/t/high-memory-usage-over-time-on-2-1-44/13544/
This commit is contained in:
hikaru-y 2021-09-22 17:21:08 +09:00
parent 09cc55b0d3
commit fc232eb0f7
1 changed files with 2 additions and 0 deletions
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2
qt/aqt/browser/previewer.py
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@ -47,6 +47,7 @@ class Previewer(QDialog):
self, parent: QWidget, mw: AnkiQt, on_close: Callable[[], None] self, parent: QWidget, mw: AnkiQt, on_close: Callable[[], None]
) -> None: ) -> None:
super().__init__(None, Qt.Window) super().__init__(None, Qt.Window)
mw.garbage_collect_on_dialog_finish(self)
self._open = True self._open = True
self._parent = parent self._parent = parent
self._close_callback = on_close self._close_callback = on_close
@ -123,6 +124,7 @@ class Previewer(QDialog):
def _on_close(self) -> None: def _on_close(self) -> None:
self._open = False self._open = False
self._close_callback() self._close_callback()
self._web = None
def _setup_web_view(self) -> None: def _setup_web_view(self) -> None:
self._web.stdHtml( self._web.stdHtml(