28. Software Packaging and Distribution
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These libraries help you with publishing and installing Python
software. While these modules are designed to work in conjunction with
the Python Package Index, they can also be used with a local index
server, or without any index server at all.

* 28.1. "distutils" — Building and installing Python modules

* 28.2. "ensurepip" — Bootstrapping the "pip" installer

  * 28.2.1. Command line interface

  * 28.2.2. Module API

* 28.3. "venv" — Creation of virtual environments

  * 28.3.1. Creating virtual environments

  * 28.3.2. API

  * 28.3.3. An example of extending "EnvBuilder"
