Using developer tools I can see that whenever I tweak the parameters in a Shiny app, the app posts data to https://xxx.shinyapps.io/app-name/__sockjs__/n=xxx/t=xxx/w=xxx/s=0/xxx/xxx/xhr_send?t=xxx, gets no data in return but can still refresh the elements to present updated data. I'd like to wrap it as a function in other programming languages, say, Python, so that I can post parameters and get calculated results. I thought I had plenty of experience using web scraper before but have never thought that Shiny app uses SockJS to communicate between server and client. How can I manipulate a Shiny app programmatically in my expected way (post parameters and get calculated results)?
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