Python Package Index

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"PyPI" redirects here. It is not to be confused with PyPy, a Python interpreter and JIT compiler.

The Python Package Index or PyPI is the official third-party software repository for the Python programming language. Python developers intend it to be a comprehensive catalog of all open source Python packages.[1]

While the PyPI website is maintained by the Python Software Foundation, its contents are uploaded by individual package maintainers. Python package managers such as pip default to downloading packages from PyPI.


The design for PyPI was first described in PEP0301[2] and became available in early 2003.[3]

See also[edit]


  1. ^ Hylton, Jeremy (2003-09-24). Python Package Index Tutorial (Weblog). 
  2. ^ "PEP 0301 -- Package Index and Metadata for Distutils", 2002-10-24 
  3. ^ Faassen, Martijn (2009-09-11), "A History of Python Packaging" (Weblog) 

External links[edit]