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pex#

This project is the home of the .pex file, and the pex tool which can create them. pex also provides a general purpose Python environment-virtualization solution similar to virtualenv. pex is short for “Python Executable”

in brief#

To quickly get started building .pex files, go straight to Building .pex files. New to python packaging? Check out packaging.python.org.

intro & history#

pex contains the Python packaging and distribution libraries originally available through the twitter commons but since split out into a separate project. The most notable components of pex are the .pex (Python EXecutable) format and the associated pex tool which provide a general purpose Python environment virtualization solution similar in spirit to virtualenv. PEX files have been used by Twitter to deploy Python applications to production since 2011.

To learn more about what the .pex format is and why it could be useful for you, see What are .pex files? For the impatient, there is also a (slightly outdated) lightning talk published by Twitter University: WTF is PEX?. To go straight to building pex files, see Building .pex files.

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