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🎨 Show chaching behaviour #3

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🎨 Show chaching behaviour #3

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8b1af4d
:art: Show chaching behaviour - do not use fragments
enryH Oct 2, 2025
59a3e70
:art: format
enryH Oct 2, 2025
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28 changes: 22 additions & 6 deletions streamlit_app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,23 @@
import pandas as pd
import streamlit as st


@st.cache_data
def cache_sleep(i: int, seconds: float = 0.1):
sleep(seconds)
return None


# ! Fragments do not trigger a full app rerun, so the fragment will updated after
# ! the entire code is run
# @st.fragment
def render_button():
with st.echo():
st.button("Click me")
with st.spinner("Loading data ..."):
sleep(5)


st.title("Streamlit App Example")

st.write(
Expand All @@ -18,12 +35,11 @@
"""
)

with st.echo():
st.button("Click me")
with st.spinner("Loading data ..."):
sleep(5)
render_button()

st.write(
"This takes a while to load...simulating a heavy computation or IO process. But it works!"
"This takes a while to load...simulating a heavy computation or IO process. "
"But it works!"
)

sleep(2)
Expand Down Expand Up @@ -55,4 +71,4 @@

for i in range(100):
my_bar.progress(i + 1, text=progress_text)
sleep(0.1)
cache_sleep(i)
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