Edit text.csv within a dashboard

[ebabeshko]

As for writing to file, it probably could be done by creating custom backend plugin, but I believe that would be an overcomplicated way for task that you are trying to solve:

How to write into a text file with a panel plugin

Panel plugins only run in the browser, so they don’t have access to the file system. You can however build a backend data source that calls a Python script, since it runs on the server.