custom jupyter widgets made easy
Project description
anywidget 
custom jupyter widgets made easy
- 🛠️ create widgets without complicated cookiecutter templates
- 📚 publish to PyPI like any other Python package
- 🤖 prototype within
.ipynbor.pyfiles - 🚀 run in Jupyter, JupyterLab, Google Colab, VSCode, and more
- ⚡ develop with instant HMR, like modern web frameworks
Learn more in the Jupyter blog.
Installation
anywidget is available on PyPI:
pip install "anywidget[dev]"
and also on conda-forge:
conda install -c conda-forge anywidget
Usage
import anywidget
import traitlets
class CounterWidget(anywidget.AnyWidget):
# Widget front-end JavaScript code
_esm = """
function render({ model, el }) {
let button = document.createElement("button");
button.innerHTML = `count is ${model.get("value")}`;
button.addEventListener("click", () => {
model.set("value", model.get("value") + 1);
model.save_changes();
});
model.on("change:value", () => {
button.innerHTML = `count is ${model.get("value")}`;
});
el.appendChild(button);
}
export default { render };
"""
# Stateful property that can be accessed by JavaScript & Python
value = traitlets.Int(0).tag(sync=True)
Front-end code can also live in separate files (recommend):
import pathlib
import anywidget
import traitlets
class CounterWidget(anywidget.AnyWidget):
_esm = pathlib.Path("index.js")
_css = pathlib.Path("styles.css")
value = traitlets.Int(0).tag(sync=True)
Read the documentation to learn more.
Support
Having trouble? Get help in our Discord or open a Discussion.
Contributing
New contributors welcome! Check out our Contributors Guide for help getting started.
Join us on Discord to meet other maintainers. We'll help you get your first contribution in no time!
License
Release history Release notifications | RSS feed
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