Hi all,

Are there some ways to transfer data between different pyqgis plugins? I
hope plugins share state.

The only way I found is to make pluginA to be a child component of
QgisApp(iface.mainWindow()).

Then in another pluginB, call findChild() to get the object(pluginA) and
connect its signal.

This is a possible solution, but it's not easy to maintain because plugins
are not initiated in the same file.

Is there a better solution?

Regards,

Zac
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