Using Streamlit: how to fetch several data files and zip them so the user can download multiple files at once

Using Streamlit
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Streamlit in snowflake

I have dataframes where each row has associated with an file in the s3 bucket. I used to allow them to download files one by one with get_presigned url ( GET_PRESIGNED_URL | Snowflake Documentation ).

This is not enough, I need ability to select multiple rows ( files ) and to allow users to download those files zipped.

The idea?

external access integration ( Creating and using an external access integration | Snowflake Documentation )

custom python udf ( Creating Python UDFs | Snowflake Documentation )

And since I cannot access the data file from the streamlit I’d need to create a custom python udf function which would fetch the file data.

I’d prefer to keep these files in memory, or if this cannot be done, maybe I should store them somewhere temporary ?

PS. I have noticed there is some sort of limitations when I am displaying large dataframes, this limitations would most likely affect the

Could this work or am I wasting my time, sorry I am new to the streamlit.

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