charton 0.5.0

A high-performance, layered charting system for Rust, featuring a flexible data core and multi-backend rendering.
Documentation 
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#[cfg(feature = "bridge")]
use charton::prelude::*;
#[cfg(feature = "bridge")]
use std::error::Error;

#[cfg(feature = "bridge")]
#[test]
#[ignore = "Requires Python environment with altair"]
fn test_altair_1() -> Result<(), Box<dyn Error>> {
    let exe_path = r"D:\Programs\miniconda3\envs\cellpy\python.exe";
    let df1 = df![
        "Model" => ["S1", "M1", "R2", "P8", "M4", "T5", "V1"],
        "Price" => [2430, 3550, 5700, 8750, 2315, 3560, 980],
        "Discount" => [Some(0.65), Some(0.73), Some(0.82), None, Some(0.51), None, Some(0.26)],
    ]?;

    let raw_plotting_code = r#"
import altair as alt

chart = alt.Chart(df1).mark_point().encode(
    x='Price',
    y='Discount',
    color='Model',
).properties(width=200, height=200)
"#;
    Plot::<Altair>::build(data!(&df1)?)?
        .with_exe_path(exe_path)?
        .with_plotting_code(raw_plotting_code)
        .save("./tests/altair_1.svg")?;

    Ok(())
}