A very simple implementation of QTs signal slot pattern in Python

website python signal slot The selectionChanged signal passes the QgsMapLayer that had a selection change So, your slot should look like selectedChanged If python slot Basic Example of using a pure python SignalSlot implementation talking between threads Aims to feel like Qt's Signals

python signal slot signalslot: simple SignalSlot implementation for Python This package provides a simple and stupid implementation of the SignalSlot pattern for Python   Signals and slots are used for communication between objects A signal is emitted when a particular event occurs A slot can be any Python callable A slot is  Qt for Python Signals and Slots - Qt Wiki Qtは様々なGUIコンポーネントが QtCore import Signal, Slot class ShowMultiplesOfThree:

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