Streamlit Lottie

Integrate Lottie animations inside your Streamlit app!

Install

pip install streamlit-lottie

Usage

• Basic usage

import streamlit as st
from streamlit_lottie import st_lottie

with st.echo():
    st_lottie("https://assets5.lottiefiles.com/packages/lf20_V9t630.json")

• Basic usage (with monkey patched st.lottie function)

import streamlit as st
import streamlit_lottie

with st.echo():
    st.lottie("https://assets5.lottiefiles.com/packages/lf20_V9t630.json")

• Context manager usage, using with notation

import time

import streamlit as st
from streamlit_lottie import st_lottie

with st_lottie("https://assets5.lottiefiles.com/packages/lf20_V9t630.json"):
    time.sleep(5)

• Download lottie manually example

import time
import requests

import streamlit as st
from streamlit_lottie import st_lottie
from streamlit_lottie import st_lottie_spinner


def load_lottieurl(url: str):
    r = requests.get(url)
    if r.status_code != 200:
        return None
    return r.json()


lottie_url_hello = "https://assets5.lottiefiles.com/packages/lf20_V9t630.json"
lottie_url_download = "https://assets4.lottiefiles.com/private_files/lf30_t26law.json"
lottie_hello = load_lottieurl(lottie_url_hello)
lottie_download = load_lottieurl(lottie_url_download)


st_lottie(lottie_hello, key="hello")

if st.button("Download"):
    with st_lottie_spinner(lottie_download, key="download"):
        time.sleep(5)
    st.balloons()

Development

Install

• JS side

cd frontend
npm install

• Python side

conda create -n streamlit-lottie python=3.7
conda activate streamlit-lottie
pip install -e .

Run

Both webpack dev server and Streamlit need to run for development mode.

• JS side

cd frontend
npm run start

• Python side

streamlit run app.py

References

• Lottie-web (Official)
• react-lottie (chenqingspring)
• lottie-react-web (felippenardi)
• lottie-react (gamote)
• lottie-react (LottieFiles)
• react-lottie-player (mifi)
• lottie-interactivity

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