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VisualizaçõesTriggering a python function when tab closes with flask
I'm trying to create a modern looking GUI so I decided to setup a simple flask app. Eventually, I want to pack the app up in a .exe file, so I want to start the server and open a web-browser when I start the flask app, and quit the server when I close the tab. My question is:
Is there any way to trigger a python function that quits the flask server when I close the tab?
Thank you for the help in advance!
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Juan Pablo Isaza
1 Respostas
Responde à pergunta0
You can add an event listener to beforeunload event and send a request when the tab is about to close.
window.onbeforeunload = () => fetch('/stop');
When you confirm it, the request is sent, and you can shut down the server inside the handler.
The only downside is that the browser shows a popup, confirming if you really want to leave.
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Juan Pablo Isaza
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