Alternative implementation of the Python programming language
Not to be confused with PyPI, the Python official third-party software repository.
Initial release
mid 2007; 17 years ago (2007)
Stable release
7.3.16[1] (23 April 2024; 10 days ago (23 April 2024))
Repository
github.com/pypy/pypy
Written in
RPython
Operating system
Cross-platform
Type
Python interpreter and compiler toolchain
License
MIT
Website
pypy.org
PyPy (/ˈpaɪpaɪ/) is an implementation of the Python programming language.[2] PyPy often runs faster than the standard implementation CPython because PyPy uses a just-in-time compiler.[3] Most Python code runs well on PyPy except for code that depends on CPython extensions, which either does not work or incurs some overhead when run in PyPy.
PyPy itself is built using a technique known as meta-tracing, which is a mostly automatic transformation that takes an interpreter as input and produces a tracing just-in-time compiler as output. Since interpreters are usually easier to write than compilers, but run slower, this technique can make it easier to produce efficient implementations of programming languages. PyPy's meta-tracing toolchain is called RPython.
PyPy does not have full compatibility with more recent versions of the CPython ecosystem. While it claims compatibility with Python 2.7, 3.7, 3.8 and 3.9 ("a drop-in replacement for CPython"), it lacks some of the newer features and syntax in Python 3.10, such as syntax for pattern matching.[4]
^"PyPy v7.3.16 release".
^"Interview Maciej Fijalkowski PyPy". 29 November 2015.
2020-12-15. "PyPy v7.3.7: bug-fix release of 3.7, 3.8". pypy.org. 25 October 2021. Retrieved 2021-11-10. the PyPy team (20 June 2014). "PyPy3 2.3.1 – Fulcrum"...
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Global Information
(23 April 2024)