altair-demo.py

# Borrowed from https://github.com/marimo-team/marimo/blob/main/docs/guides/working_with_data/plotting.md#altair

@app.cell
async def __():
    import pandas as pd
    import pyodide
    import micropip
    import json
    await micropip.install('altair')
    import altair as alt
    return

@app.cell
def __():
    cars = pd.DataFrame(json.loads(
      pyodide.http.open_url('https://vega.github.io/vega-datasets/data/cars.json').read()
    ))

    chart = mo.ui.altair_chart(alt.Chart(cars).mark_point().encode(
        x='Horsepower',
        y='Miles_per_Gallon',
        color='Origin'
    ))
    return

@app.cell
def __():
    mo.vstack([chart, mo.ui.table(chart.value)])
    return