Pyodide¶
Python with the scientific stack, compiled to WebAssembly.
Pyodide may be used in any context where you want to run Python inside a web browser.
Pyodide brings the Python 3.9 runtime to the browser via WebAssembly, along with the Python scientific stack including NumPy, Pandas, Matplotlib, SciPy, and scikit-learn. Over 75 packages are currently available. In addition it’s possible to install pure Python wheels from PyPi.
Pyodide provides transparent conversion of objects between Javascript and Python. When used inside a browser, Python has full access to the Web APIs.
Using Pyodide¶
- Getting started
- Using Pyodide in a web worker
- Serving Pyodide packages
- Loading packages
- Type translations
- Pyodide Python compatibility
- API Reference
- Frequently Asked Questions
- How can I load external Python files in Pyodide?
- Why can’t I load files from the local file system?
- How can I change the behavior of
runPythonandrunPythonAsync? - How can I execute code in a custom namespace?
- How to detect that code is run with Pyodide?
- How do I create custom Python packages from Javascript?
- How can I send a Python object from my server to Pyodide?
- How can I use a Python function as an event handler and then remove it later?
- How can I use fetch with optional arguments from Python?
- How can I control the behavior of stdin / stdout / stderr?
Development¶
The Development section help Pyodide contributors to find information about the development process including making packages to support third party libraries and understanding type conversions between Python and JavaScript.
Project¶
The Project section helps contributors get started and gives additional information about the project’s organization.