Streamlit Lightweight Charts Pro Documentation

Streamlit Lightweight Charts Pro is a high-performance wrapper for TradingView’s Lightweight Charts library, optimized for Streamlit applications with an ultra-simplified API.

Contents:

Overview

This package provides:

  • Ultra-simplified API: Create professional financial charts with minimal code

  • Performance optimized: Handles large datasets efficiently

  • Bidirectional communication: Python ↔ React data flow

  • Type-safe: Comprehensive type hints and validation

  • Trading primitives: Built-in support for bands, ribbons, annotations

Installation

pip install streamlit-lightweight-charts-pro

Quick Example

import streamlit as st
from streamlit_lightweight_charts_pro import renderChart
import pandas as pd

# Sample data
data = pd.DataFrame({
    'time': pd.date_range('2023-01-01', periods=100),
    'value': range(100)
})

# Render chart
renderChart(data, title="My Chart", height=400)

Features

Core Components:

  • Chart rendering with multiple series types (line, area, candlestick, etc.)

  • Interactive primitives (bands, ribbons, annotations)

  • Real-time data updates

  • Customizable styling and layout

Performance Features:

  • Efficient data serialization

  • Optimized rendering pipeline

  • Memory-conscious data handling

  • Production-ready build system

Developer Experience:

  • Comprehensive type hints

  • Google-style docstrings

  • Extensive test coverage

  • Clear error messages

Indices and Tables