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Release History
12.0 (2014-12-22)
* **PROCESS** Version numbers are now simply ``X.Y`` where the leading ``1``
has been dropped.
* Split up documentation into structured pages
* Now using pytest framework
* Correct sys.path ordering for debian, issue #461
* Correctly throws error on older Pythons, issue #619
* Allow for empty $PATH, pull #601
* Don't set prompt if $env:VIRTUAL_ENV_DISABLE_PROMPT is set for Powershell
* Updated setuptools to 7.0
1.11.6 (2014-05-16)
* Updated setuptools to 3.6
* Updated pip to 1.5.6
1.11.5 (2014-05-03)
* Updated setuptools to 3.4.4
* Updated documentation to use
* Updated pip to 1.5.5
1.11.4 (2014-02-21)
* Updated pip to 1.5.4
1.11.3 (2014-02-20)
* Updated setuptools to 2.2
* Updated pip to 1.5.3
1.11.2 (2014-01-26)
* Fixed easy_install installed virtualenvs by updated pip to 1.5.2
1.11.1 (2014-01-20)
* Fixed an issue where pip and setuptools were not getting installed when using
the ``--system-site-packages`` flag.
* Updated setuptools to fix an issue when installed with easy_install
* Fixed an issue with Python 3.4 and sys.stdout encoding being set to ascii
* Upgraded pip to v1.5.1
* Upgraded setuptools to v2.1
1.11 (2014-01-02)
* **BACKWARDS INCOMPATIBLE** Switched to using wheels for the bundled copies of
setuptools and pip. Using sdists is no longer supported - users supplying
their own versions of pip/setuptools will need to provide wheels.
* **BACKWARDS INCOMPATIBLE** Modified the handling of ``--extra-search-dirs``.
This option now works like pip's ``--find-links`` option, in that it adds
extra directories to search for compatible wheels for pip and setuptools.
The actual wheel selected is chosen based on version and compatibility, using
the same algorithm as ``pip install setuptools``.
* Fixed #495, --always-copy was failing (#PR 511)
* Upgraded pip to v1.5
* Upgraded setuptools to v1.4
1.10.1 (2013-08-07)
* **New Signing Key** Release 1.10.1 is using a different key than normal with
fingerprint: 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA
* Upgraded pip to v1.4.1
* Upgraded setuptools to v0.9.8
1.10 (2013-07-23)
* **BACKWARDS INCOMPATIBLE** Dropped support for Python 2.5. The minimum
supported Python version is now Python 2.6.
* **BACKWARDS INCOMPATIBLE** Using ```` as an isolated script
(i.e. without an associated ``virtualenv_support`` directory) is no longer
supported for security reasons and will fail with an error.
Along with this, ``--never-download`` is now always pinned to ``True``, and
is only being maintained in the short term for backward compatibility
(Pull #412).
* **IMPORTANT** Switched to the new setuptools (v0.9.7) which has been merged
with Distribute_ again and works for Python 2 and 3 with one codebase.
The ``--distribute`` and ``--setuptools`` options are now no-op.
* Updated to pip 1.4.
* Added support for PyPy3k
* Added the option to use a version number with the ``-p`` option to get the
system copy of that Python version (Windows only)
* Removed embedded ````, ```` and
```` files as part of switching to merged setuptools.
* Fixed ``--relocatable`` to work better on Windows.
* Fixed issue with readline on Windows.
.. _Distribute:
1.9.1 (2013-03-08)
* Updated to pip 1.3.1 that fixed a major backward incompatible change of
parsing URLs to externally hosted packages that got accidentily included
in pip 1.3.
1.9 (2013-03-07)
* Unset VIRTUAL_ENV environment variable in deactivate.bat (Pull #364)
* Upgraded distribute to 0.6.34.
* Added ``--no-setuptools`` and ``--no-pip`` options (Pull #336).
* Fixed Issue #373. virtualenv-1.8.4 was failing in cygwin (Pull #382).
* Fixed Issue #378. virtualenv is now "multiarch" aware on debian/ubuntu (Pull #379).
* Fixed issue with readline module path on pypy and OSX (Pull #374).
* Made 64bit detection compatible with Python 2.5 (Pull #393).
1.8.4 (2012-11-25)
* Updated distribute to 0.6.31. This fixes #359 (numpy install regression) on
UTF-8 platforms, and provides a workaround on other platforms:
``PYTHONIOENCODING=utf8 pip install numpy``.
* When installing virtualenv via curl, don't forget to filter out arguments
the distribute setup script won't understand. Fixes #358.
* Added some more integration tests.
* Removed the unsupported embedded setuptools egg for Python 2.4 to reduce
file size.
1.8.3 (2012-11-21)
* Fixed readline on OS X. Thanks minrk
* Updated distribute to 0.6.30 (improves our error reporting, plus new
distribute features and fixes). Thanks Gabriel (g2p)
* Added compatibility with multiarch Python (Python 3.3 for example). Added an
integration test. Thanks Gabriel (g2p)
* Added ability to install distribute from a user-provided egg, rather than the
bundled sdist, for better speed. Thanks Paul Moore.
* Make the creation of lib64 symlink smarter about already-existing symlink,
and more explicit about full paths. Fixes #334 and #330. Thanks Jeremy Orem.
* Give lib64 site-dir preference over lib on 64-bit systems, to avoid wrong
32-bit compiles in the venv. Fixes #328. Thanks Damien Nozay.
* Fix a bug with prompt-handling in ``activate.csh`` in non-interactive csh
shells. Fixes #332. Thanks Benjamin Root for report and patch.
* Make it possible to create a virtualenv from within a Python
3.3. pyvenv. Thanks Chris McDonough for the report.
* Add optional --setuptools option to be able to switch to it in case
distribute is the default (like in Debian).
1.8.2 (2012-09-06)
* Updated the included pip version to 1.2.1 to fix regressions introduced
there in 1.2.
1.8.1 (2012-09-03)
* Fixed distribute version used with `--never-download`. Thanks michr for
report and patch.
* Fix creating Python 3.3 based virtualenvs by unsetting the
``__PYVENV_LAUNCHER__`` environment variable in subprocesses.
1.8 (2012-09-01)
* **Dropped support for Python 2.4** The minimum supported Python version is
now Python 2.5.
* Fix `--relocatable` on systems that use lib64. Fixes #78. Thanks Branden
* Symlink some additional modules under Python 3. Fixes #194. Thanks Vinay
Sajip, Ian Clelland, and Stefan Holek for the report.
* Fix ``--relocatable`` when a script uses ``__future__`` imports. Thanks
Branden Rolston.
* Fix a bug in the config option parser that prevented setting negative
options with environment variables. Thanks Ralf Schmitt.
* Allow setting ``--no-site-packages`` from the config file.
* Use ``/usr/bin/multiarch-platform`` if available to figure out the include
directory. Thanks for the patch, Mika Laitio.
* Fix ``install_name_tool`` replacement to work on Python 3.X.
* Handle paths of users' site-packages on Mac OS X correctly when changing
the prefix.
* Updated the embedded version of distribute to 0.6.28 and pip to 1.2.
1.7.2 (2012-06-22)
* Updated to distribute 0.6.27.
* Fix on OS X. Fixes #8. Thanks David Schoonover.
* Create a virtualenv-x.x script with the Python version when installing, so
virtualenv for multiple Python versions can be installed to the same
script location. Thanks Miki Tebeka.
* Restored ability to create a virtualenv with a path longer than 78
characters, without breaking creation of virtualenvs with non-ASCII paths.
Thanks, Bradley Ayers.
* Added ability to create virtualenvs without having installed Apple's
developers tools (using an own implementation of ``install_name_tool``).
Thanks Mike Hommey.
* Fixed PyPy and Jython support on Windows. Thanks Konstantin Zemlyak.
* Added pydoc script to ease use. Thanks Marc Abramowitz. Fixes #149.
* Fixed creating a bootstrap script on Python 3. Thanks Raul Leal. Fixes #280.
* Fixed inconsistency when having set the ``PYTHONDONTWRITEBYTECODE`` env var
with the --distribute option or the ``VIRTUALENV_USE_DISTRIBUTE`` env var.
``VIRTUALENV_USE_DISTRIBUTE`` is now considered again as a legacy alias. (2012-02-17)
* Fixed minor issue in `--relocatable`. Thanks, Cap Petschulat. (2012-02-16)
* Bumped the version string in ```` up, too.
* Fixed rST rendering bug of long description.
1.7.1 (2012-02-16)
* Update embedded pip to version 1.1.
* Fix `--relocatable` under Python 3. Thanks Doug Hellmann.
* Added environ PATH modification to Thanks Doug
Napoleone. Fixes #14.
* Support creating virtualenvs directly from a Python build directory on
Windows. Thanks CBWhiz. Fixes #139.
* Use non-recursive symlinks to fix things up for posix_local install
scheme. Thanks michr.
* Made activate script available for use with msys and cygwin on Windows.
Thanks Greg Haskins, Cliff Xuan, Jonathan Griffin and Doug Napoleone.
Fixes #176.
* Fixed creation of virtualenvs on Windows when Python is not installed for
all users. Thanks Anatoly Techtonik for report and patch and Doug
Napoleone for testing and confirmation. Fixes #87.
* Fixed creation of virtualenvs using -p in installs where some modules
that ought to be in the standard library (e.g. `readline`) are actually
installed in `site-packages` next to ``. Thanks Greg Haskins
for report and fix. Fixes #167.
* Added activation script for Powershell (signed by Jannis Leidel). Many
thanks to Jason R. Coombs.
1.7 (2011-11-30)
* Gave user-provided ``--extra-search-dir`` priority over default dirs for
finding setuptools/distribute (it already had priority for finding pip).
Thanks Ethan Jucovy.
* Updated embedded Distribute release to 0.6.24. Thanks Alex Gronholm.
* Made ``--no-site-packages`` behavior the default behavior. The
``--no-site-packages`` flag is still permitted, but displays a warning when
used. Thanks Chris McDonough.
* New flag: ``--system-site-packages``; this flag should be passed to get the
previous default global-site-package-including behavior back.
* Added ability to set command options as environment variables and options
in a ``virtualenv.ini`` file.
* Fixed various encoding related issues with paths. Thanks Gunnlaugur Thor Briem.
* Made ```` script executable.
1.6.4 (2011-07-21)
* Restored ability to run on Python 2.4, too.
1.6.3 (2011-07-16)
* Restored ability to run on Python < 2.7.
1.6.2 (2011-07-16)
* Updated embedded distribute release to 0.6.19.
* Updated embedded pip release to 1.0.2.
* Fixed #141 - Be smarter about finding pkg_resources when using the
non-default Python interpreter (by using the ``-p`` option).
* Fixed #112 - Fixed path in docs.
* Fixed #109 - Corrected doctests of a Logger method.
* Fixed #118 - Fixed creating virtualenvs on platforms that use the
"posix_local" install scheme, such as Ubuntu with Python 2.7.
* Add missing library to Python 3 virtualenvs (``_dummy_thread``).
1.6.1 (2011-04-30)
* Start to use git-flow.
* Added support for PyPy 1.5
* Fixed #121 -- added sanity-checking of the -p argument. Thanks Paul Nasrat.
* Added progress meter for pip installation as well as setuptools. Thanks Ethan
* Added --never-download and --search-dir options. Thanks Ethan Jucovy.
* Added Python 3 support! Huge thanks to Vinay Sajip and Vitaly Babiy.
* Fixed creation of virtualenvs on Mac OS X when standard library modules
(readline) are installed outside the standard library.
* Updated bundled pip to 1.0.
* Moved main repository to Github:
* Transferred primary maintenance from Ian to Jannis Leidel, Carl Meyer and Brian Rosner
* Fixed a few more pypy related bugs.
* Updated bundled pip to 0.8.2.
* Handed project over to new team of maintainers.
* Moved virtualenv to Github at
* Added ``_weakrefset`` requirement for Python 2.7.1.
* Fixed Windows regression in 1.5
* Include pip 0.8.1.
* Add support for PyPy.
* Uses a proper temporary dir when installing environment requirements.
* Add ``--prompt`` option to be able to override the default prompt prefix.
* Fix an issue with ``--relocatable`` on Windows.
* Fix issue with installing the wrong version of distribute.
* Add fish and csh activate scripts.
* Include pip 0.7.2
* Fix for Mac OS X Framework builds that use
* Fix ```` on Windows.
* Allow ``$PYTHONHOME`` to be set, so long as you use ``source
bin/activate`` it will get unset; if you leave it set and do not
activate the environment it will still break the environment.
* Include pip 0.7.1
* Include pip 0.7
* Allow ```` to skip updating the prompt (by setting
* Include pip 0.6.3
* Fix ``activate.bat`` and ``deactivate.bat`` under Windows when
``PATH`` contained a parenthesis
* Include pip 0.6.2 and Distribute 0.6.10
* Create the ``virtualenv`` script even when Setuptools isn't
* Fix problem with ``virtualenv --relocate`` when ``bin/`` has
subdirectories (e.g., ``bin/.svn/``); from Alan Franzoni.
* If you set ``$VIRTUALENV_DISTRIBUTE`` then virtualenv will use
Distribute by default (so you don't have to remember to use
* Include pip 0.6.1
* Fix pip installation on Windows
* Fix use of stand-alone ```` (and boot scripts)
* Exclude ~/.local (user site-packages) from environments when using
* Include pip 0.6
* Updated setuptools to 0.6c11
* Added the --distribute option
* Fixed packaging problem of support-files
* Virtualenv now copies the actual embedded Python binary on
Mac OS X to fix a hang on Snow Leopard (10.6).
* Fail more gracefully on Windows when ``win32api`` is not installed.
* Fix site-packages taking precedent over Jython's ``__classpath__``
and also specially handle the new ``__pyclasspath__`` entry in
* Now copies Jython's ``registry`` file to the virtualenv if it exists.
* Better find libraries when compiling extensions on Windows.
* Create ``Scripts\pythonw.exe`` on Windows.
* Added support for the Debian/Ubuntu
``/usr/lib/pythonX.Y/dist-packages`` directory.
* Set ``distutils.sysconfig.get_config_vars()['LIBDIR']`` (based on
``sys.real_prefix``) which is reported to help building on Windows.
* Make ``deactivate`` work on ksh
* Fixes for ``--python``: make it work with ``--relocatable`` and the
symlink created to the exact Python version.
* Use Windows newlines in ``activate.bat``, which has been reported to help
when using non-ASCII directory names.
* Fixed compatibility with Jython 2.5b1.
* Added a function ``virtualenv.install_python`` for more fine-grained
access to what ``virtualenv.create_environment`` does.
* Fix `a problem <>`_
with Windows and paths that contain spaces.
* If ``/path/to/env/.pydistutils.cfg`` exists (or
``/path/to/env/pydistutils.cfg`` on Windows systems) then ignore
``~/.pydistutils.cfg`` and use that other file instead.
* Fix ` a problem
<>`_ picking up
some ``.so`` libraries in ``/usr/local``.
* Remove the ``[install] prefix = ...`` setting from the virtualenv
``distutils.cfg`` -- this has been causing problems for a lot of
people, in rather obscure ways.
* If you use a boot script it will attempt to import ``virtualenv``
and find a pre-downloaded Setuptools egg using that.
* Added platform-specific paths, like ``/usr/lib/pythonX.Y/plat-linux2``
* Real Python 2.6 compatibility. Backported the Python 2.6 updates to
````, including `user directories
(this means older versions of Python will support user directories,
whether intended or not).
* Always set ``[install] prefix`` in ``distutils.cfg`` -- previously
on some platforms where a system-wide ``distutils.cfg`` was present
with a ``prefix`` setting, packages would be installed globally
(usually in ``/usr/local/lib/pythonX.Y/site-packages``).
* Sometimes Cygwin seems to leave ``.exe`` off ``sys.executable``; a
workaround is added.
* Fix ``--python`` option.
* Fixed handling of Jython environments that use a
* Update to Setuptools 0.6c9
* Added an option ``virtualenv --relocatable EXISTING_ENV``, which
will make an existing environment "relocatable" -- the paths will
not be absolute in scripts, ``.egg-info`` and ``.pth`` files. This
may assist in building environments that can be moved and copied.
You have to run this *after* any new packages installed.
* Added ``bin/``, a file you can use like
dict(__file__="path_to/"))`` -- this will activate
the environment in place, similar to what `the mod_wsgi example
does <>`_.
* For Mac framework builds of Python, the site-packages directory
``/Library/Python/X.Y/site-packages`` is added to ``sys.path``, from
Andrea Rech.
* Some platform-specific modules in Macs are added to the path now
(``plat-darwin/``, ``plat-mac/``, ``plat-mac/lib-scriptpackages``),
from Andrea Rech.
* Fixed a small Bashism in the ``bin/activate`` shell script.
* Added ``__future__`` to the list of required modules, for Python
2.3. You'll still need to backport your own ``subprocess`` module.
* Fixed the ``__classpath__`` entry in Jython's ``sys.path`` taking
precedent over virtualenv's libs.
* Added a ``--python`` option to select the Python interpreter.
* Add ``warnings`` to the modules copied over, for Python 2.6 support.
* Add ``sets`` to the module copied over for Python 2.3 (though Python
2.3 still probably doesn't work).
* Added support for Jython 2.5.
* Added support for Python 2.6.
* Fix a problem with missing ``DLLs/zlib.pyd`` on Windows. Create
* ``bin/python`` (or ``bin/python.exe``) even when you run virtualenv
with an interpreter named, e.g., ``python2.4``
* Fix MacPorts Python
* Added --unzip-setuptools option
* Update to Setuptools 0.6c8
* If the current directory is not writable, run in ``/tmp``
* Copy or symlink over the ``include`` directory so that packages will
more consistently compile.
* Fix build on systems that use ``/usr/lib64``, distinct from
``/usr/lib`` (specifically CentOS x64).
* Fixed bug in ``--clear``.
* Fixed typos in ``deactivate.bat``.
* Preserve ``$PYTHONPATH`` when calling subprocesses.
* Fix include dir copying on Windows (makes compiling possible).
* Include the main ``lib-tk`` in the path.
* Patch ``distutils.sysconfig``: ``get_python_inc`` and
``get_python_lib`` to point to the global locations.
* Install ``distutils.cfg`` before Setuptools, so that system
customizations of ``distutils.cfg`` won't effect the installation.
* Add ``bin/pythonX.Y`` to the virtualenv (in addition to
* Fixed an issue with Mac Framework Python builds, and absolute paths
(from Ronald Oussoren).
* Improve ability to create a virtualenv from inside a virtualenv.
* Fix a little bug in ``bin/activate``.
* Actually get ``distutils.cfg`` to work reliably.
* Added ``lib-dynload`` and ``config`` to things that need to be
copied over in an environment.
* Copy over or symlink the ``include`` directory, so that you can
build packages that need the C headers.
* Include a ``distutils`` package, so you can locally update
``distutils.cfg`` (in ``lib/pythonX.Y/distutils/distutils.cfg``).
* Better avoid downloading Setuptools, and hitting PyPI on environment
* Fix a problem creating a ``lib64/`` directory.
* Should work on MacOSX Framework builds (the default Python
installations on Mac). Thanks to Ronald Oussoren.
* Windows installs would sometimes give errors about ``sys.prefix`` that
were inaccurate.
* Slightly prettier output.
* Added support for Windows.
* Give a better warning if you are on an unsupported platform (Mac
Framework Pythons, and Windows).
* Give error about running while inside a workingenv.
* Give better error message about Python 2.3.
Fixed packaging of the library.
Initial release. Everything is changed and new!