Can Dash chained callback inputs be a file or filename?

[robertpfaff]

My first question on this forum and it involved multiple exchanges with staff and detailed discussion about code. There is more code shared and discussed in this exchange as in the response that bothers you.

How do I arrange and code data for a Dash plotly editable datatable?

I am brand new to all of this (and I have a cold), so I apologize up front if this seems dense. I have spent this week trying to figure out how to design an editable datatable via Flask without much success. I found the plugin bootstable, and I had my table ready to go, with the data populating the cells perfectly. But I could not pip install jquery (required) and its dependencies. This appears to be a common problem, evidenced by the posts I saw online. So I circled back to the editable Dash/…