Conditional column format on dataframe

Using Streamlit
1

Hello,

I have a DataFrame with a column named “Exist”, which contains either None or True values. I’d like to display this DataFrame in Streamlit, showing a green checkmark when the value is True, and a red cross when it’s None.

import streamlit as st
import polars as pl

df = pl.DataFrame({
    "Product" : [1,2,3],
    "Exist": [True, None, None]
    
})
col_config = {
    "Exist": st.column_config.NumberColumn(format="✅"),
}
st.dataframe(df,column_config=col_config)

This is my current approach. I’m able to display the checkmark, but I’d like to add the condition for showing the red cross as well. Any advice?

2

You could always create a new text column to display in place of the current Exist column while hiding the Exist column.