An easy-to-use poor-man's profiler using Streamlit. See: https://discuss.streamlit.io/t/how-to-tell-which-variables-are-being-recomputed/359

timeit.py

import streamlit as st
import time


class TimeIt(object):
    """Simple timer for profiling Streamlit apps.

    Usage
    -----

    >>> t = TimeIt()
    >>> do_stuff()
    >>> t.tick('did stuff')
    >>> do_more_stuff()
    >>> t.tick('did more stuff')

    """
    def __init__(self):
        self.prev_time = time.time()

    def tick(self, msg=''):
        new_time = time.time()
        delta = new_time - self.prev_time

        st.write('_%s [Ellapsed time: %0.3fs]_' % (msg, delta))

        self.prev_time = new_time