Virtualenv

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Introduction

virtualenv is a tool to create isolated Python environments.

The basic problem being addressed is one of dependencies and versions, and indirectly permissions. Imagine you have an application that needs version 1 of LibFoo, but another application requires version 2. How can you use both these applications? If you install everything into /usr/lib/python2.7/site-packages (or whatever your platform’s standard location is), it’s easy to end up in a situation where you unintentionally upgrade an application that shouldn’t be upgraded.

Or more generally, what if you want to install an application and leave it be? If an application works, any change in its libraries or the versions of those libraries can break the application.

Also, what if you can’t install packages into the global site-packages directory? For instance, on a shared host.

In all these cases, virtualenv can help you. It creates an environment that has its own installation directories, that doesn’t share libraries with other virtualenv environments (and optionally doesn’t access the globally installed libraries either).

Release History

14.0.2 (2016-01-28)

  • Upgrade setuptools to 19.6

  • Supress any errors from unset on different shells (PR #843)

  • Normalize letter case for prefix path checking. Fixes #837

14.0.1 (2016-01-21)

  • Upgrade from pip 8.0.0 to 8.0.2.

  • Fix the default of --(no-)download to default to downloading.

Full Changelog.

Project links

Key dates

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  • Released:
Newer release available (21.12.1)

Owner

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2 maintainers

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Avatar for gaborbernat from gravatar.com gaborbernat Avatar for pf_moore from gravatar.com pf_moore

Credits

Author: Jannis Leidel, Carl Meyer and Brian Rosner

License

MIT License (MIT)

Tags

setuptools deployment installation distutils

Classifiers

Report project as malware

Release files for virtualenv 14.0.2

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for virtualenv 14.0.2
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virtualenv-14.0.2.tar.gz 1.8 MB Details

Built distribution (wheel)

Table of built distributions (wheels) for virtualenv 14.0.2
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virtualenv-14.0.2-py2.py3-none-any.whl 1.8 MB Python 2, Python 3 none any Details

Total release size: 3.6 MB

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Size 1.8 MB
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