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PyQt: Basic example of accessing and adding submenus to an existing context menu?

Note. I have very little python and PyQt experience ...

Given the context menu already created, I am looking for a functional example of how to access this context menu, so it can be expanded for a plugin that executes the python javascript greasemonkey script equivalent.Then I also look for a functional example of how to add a submenu to this context menu . Thank!

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Avaris comments basically answered this question best. I can’t choose him because he is commenting, not the answer. Therefore, I summarize this answer here, so that Q can be answered:

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, ( ), / , ( ) API. , API / /, .

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customContextMenuRequested / ( Qt), , , , / :

self.centralwidget.customContextMenuRequested.connect(self.context_menu_method)

self.context_menu_method, ,

, :

menu = QtGui.QMenu()
submenu = QtGui.QMenu(menu)
submenu.setTitle("Submenu")
menu.addMenu(submenu)
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