Compatibility: PyPy is highly compatible with existing python code. It supports cffi, cppyy, and can run popular python libraries like twisted, and django. It can also run NumPy, Scikit-learn and more via a c …

PyPy's sandboxing is a working prototype for the idea of running untrusted user programs. Unlike other sandboxing approaches for Python, PyPy's does not try to limit language features considered …

We provide pre-compiled binaries for many platforms and OSes. Note Our nightly binary builds have the most recent bugfixes and performance improvements, though they can be less stable than the offici

Apr 20, 2026 · Downloading and Installing PyPy Just like CPython, you need a base interpreter environment and then can install extra packages. The choices for installing the base interpreter are: …

Mar 23, 2026 · PyPy v7.3.21: release of python 2.7, 3.11 The PyPy team is proud to release version 7.3.21 of PyPy after the previous release on July 4, 2025. This is a bug-fix release that also updates …

Feb 26, 2025 · PyPy supports Windows 32-bit, Linux PPC64 big- and little-endian, Linux ARM 32 bit, RISC-V RV64IMAFD Linux, and s390x Linux but does not release binaries. Please reach out to us if …

The goal of this page is to point out some of the differences between running python with PyPy and with CPython TL;DR Pure python code works, but there are a few differences with object lifetime mana

Apr 15, 2026 · Modules in PyPy Modules visible from application programs are imported from interpreter or application level files. PyPy reuses almost all python modules of CPython’s standard library, …

5 days ago · Welcome to PyPy’s documentation! Welcome to the documentation for PyPy, a fast, compliant alternative implementation of the Python language. If you want to find out more about what …

download PyPy from your release vendor (usually an outdated version): Ubuntu (PPA), Debian, Homebrew, MacPorts, Fedora, Gentoo and Arch are known to package PyPy, with various degrees …