st-echarts-events 1.0.0

Streamlit Echarts Events

a bi-directional streamlit components with pyecharts plots

return event value from js-side to python-side。if no events designed, just display a chart.

Installation

pip install streamlit-ehcarts-events

Usage

only three steps using it , generate a pyecharts object, passing interested events and parameters

inputs:

chart: pyecharts object events: list , echarts events, eg. ['click','dblclick'] params: list , events value for echarts events,declared in echarts API DOC, eg. ['name','data','value']

outputs:

return status and values. status 0: get a value -1: get no value or an error occurs. return_data python dictionary, key is params,value is value for params.

Example

from pyecharts.charts import Bar
from st_echarts_events import st_echarts_events

bar = Bar()
bar.add_xaxis(["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"])
bar.add_yaxis("商家A", [5, 20, 36, 10, 75, 90])

import streamlit as st
st.header("Pyecharts Events Feedback Test")    
chart=bar
events=['click']   
params=['name','value','data']
status,return_data = st_echarts_events(chart=chart,events=events,params=params)    
st.markdown("Return data : %s " % return_data)

if you want test the package, deploy environment like this:streamlit template

Notes:

if no data. return 'no data.' if error, return error message. map are not working well so far, need further implement.