How easy is it to integrate custom or third-party components into Streamlit apps?

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Can you discuss the extensibility of Streamlit? How easy is it to integrate custom or third-party components into Streamlit apps?

Daniel Steinhold Asked question November 24, 2023
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Streamlit is a highly extensible framework, making it easy to integrate custom or third-party components into Streamlit apps. This extensibility is achieved through two primary mechanisms: Streamlit Components and Streamlit Magic.

Streamlit Components

Streamlit Components allow you to create custom frontend components using JavaScript, HTML, and CSS. These components can be seamlessly integrated into Streamlit apps and can interact with Streamlit Python code. This enables you to create highly customized and interactive Streamlit apps.

To create a Streamlit Component, you first need to develop the frontend code using JavaScript, HTML, and CSS. This code can be written using any JavaScript framework or library of your choice, such as React, Vue, or plain JavaScript. Once the frontend code is ready, you can wrap it in a Streamlit Component class and integrate it into your Streamlit app.

Streamlit Components offer several advantages over traditional web development techniques:

  • Seamless integration: Streamlit Components can be directly embedded into Streamlit apps using a simple syntax, making them easy to integrate and manage.

  • Bidirectional communication: Streamlit Components can exchange data with Streamlit Python code, enabling you to create interactive and responsive applications.

  • Reusability: Streamlit Components can be reused across different Streamlit apps, promoting code modularity and reducing development time.

Streamlit Magic

Streamlit Magic is a more lightweight approach to extending Streamlit. It allows you to define custom decorators that can modify the behavior of Streamlit commands and functions. This enables you to create custom Streamlit commands or extend existing ones without modifying the Streamlit core code.

Streamlit Magic is particularly useful for creating custom shortcuts, adding annotations, or modifying the behavior of existing Streamlit commands.

Integration of Custom and Third-party Components

Integrating custom or third-party components into Streamlit apps is relatively straightforward. For custom components, you simply need to create the component using Streamlit Components or Streamlit Magic and then integrate it into your Streamlit app. For third-party components, you may need to adapt them slightly to work with Streamlit, but the process is generally straightforward.

Overall, Streamlit’s extensibility makes it a versatile and powerful framework for creating interactive data applications. By leveraging Streamlit Components and Streamlit Magic, you can create custom components, integrate third-party libraries, and extend the functionality of Streamlit to meet your specific needs.

Daniel Steinhold Changed status to publish November 24, 2023