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Improve performance when polishing large numbers of books in a large library by debouncing Tag browser refreshes

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Kovid Goyal 2019-11-07 19:35:18 +05:30
parent 481013d23f
commit caad54863b
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 19 additions and 4 deletions
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23
src/calibre/gui2/actions/polish.py
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@ -434,6 +434,14 @@ class PolishAction(InterfaceAction):
def genesis(self):
self.qaction.triggered.connect(self.polish_books)
self.report = Report(self.gui)
self.to_be_refreshed = set()
self.refresh_debounce_timer = t = QTimer(self.gui)
t.setSingleShot(True)
t.setInterval(1000)
t.timeout.connect(self.refresh_after_polish)
def shutting_down(self):
self.refresh_debounce_timer.stop()
def location_selected(self, loc):
enabled = loc == 'library'
@ -528,14 +536,21 @@ class PolishAction(InterfaceAction):
os.rmdir(parent)
except:
pass
self.gui.tags_view.recount()
self.to_be_refreshed.add(book_id)
self.refresh_debounce_timer.start()
if show_reports:
self.report(db.title(book_id, index_is_id=True), book_id, fmts, job, job.result)
def refresh_after_polish(self):
self.refresh_debounce_timer.stop()
book_ids = tuple(self.to_be_refreshed)
self.to_be_refreshed = set()
if self.gui.current_view() is self.gui.library_view:
self.gui.library_view.model().refresh_ids((book_id,))
self.gui.library_view.model().refresh_ids(book_ids)
current = self.gui.library_view.currentIndex()
if current.isValid():
self.gui.library_view.model().current_changed(current, QModelIndex())
if show_reports:
self.report(db.title(book_id, index_is_id=True), book_id, fmts, job, job.result)
self.gui.tags_view.recount()
if __name__ == '__main__':