Question 1

How does Gleam compare to Plotly Dash for building Python dashboards?

Accepted Answer

Gleam is simpler and more Python-focused, using WTForms for inputs and any plotting library, while Dash is more feature-rich with built-in components and React integration. Gleam is better for quick prototypes, Dash for production-scale apps with complex interactivity.

Question 2

How to deploy a Gleam app to a cloud server like AWS or Heroku?

Accepted Answer

Gleam apps can be deployed using standard Python web server setups, such as with Gunicorn or via platforms like Heroku, as shown in the demo. However, you may need to handle scaling, environment variables, and performance tuning manually, as Gleam doesn't include built-in deployment tools.

Question 3

Can I use Gleam with Jupyter notebooks for interactive data exploration?

Accepted Answer

Gleam is designed for web applications, not Jupyter notebooks; it runs a local server for visualization. For notebook-based interactivity, libraries like ipywidgets or Voilà might be more suitable, as Gleam requires a separate web interface.

Question 4

What are the limitations of Gleam with large datasets or real-time data?

Accepted Answer

Gleam's server-side rendering can become slow with large datasets, as each input change regenerates the plot. For real-time data, you'd need to implement polling or websockets manually, as it doesn't natively support streaming updates.

Question 5

How to add custom CSS or JavaScript to a Gleam app for better styling?

Accepted Answer

Since Gleam generates HTML, you can inject custom CSS by modifying templates or using WTForms' rendering options, but this requires knowledge of web technologies, partially defeating the no-HTML/JS promise and adding complexity.

Question 6

Is Gleam still actively maintained and compatible with Python 3?

Accepted Answer

Check the GitHub repository for recent updates; as of the description, it's inspired by Shiny but might not have frequent releases. Verify compatibility with your Python version, as older dependencies like WTForms could cause issues.

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