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Noah Zoschke
2011-10-28 10:35:07 -07:00
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src/virtualenv-1.6.4/AUTHORS.txt
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Author
------
Ian Bicking
Maintainers
-----------
Brian Rosner
Carl Meyer
Jannis Leidel
Contributors
------------
Antonio Cuni
Armin Ronacher
Christopher Nilsson
Curt Micol
Douglas Creager
Jeff Hammel
Jorge Vargas
Josh Bronson
Kumar McMillan
Lars Francke
Philip Jenvey
Ronny Pfannschmidt
Tarek Ziadé
Vinay Sajip
src/virtualenv-1.6.4/LICENSE.txt
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Copyright (c) 2007 Ian Bicking and Contributors
Copyright (c) 2009 Ian Bicking, The Open Planning Project
Copyright (c) 2011 The virtualenv developers
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
src/virtualenv-1.6.4/MANIFEST.in
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recursive-include docs *.txt
recursive-include scripts *
recursive-include virtualenv_support *.egg *.tar.gz
recursive-exclude virtualenv_support *.py
recursive-exclude docs/_templates *.*
include virtualenv_support/__init__.py
include *.py
include AUTHORS.txt
include LICENSE.txt
src/virtualenv-1.6.4/PKG-INFO
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Metadata-Version: 1.0
Name: virtualenv
Version: 1.6.4
Summary: Virtual Python Environment builder
Home-page: http://www.virtualenv.org
Author: Jannis Leidel, Carl Meyer and Brian Rosner
Author-email: python-virtualenv@groups.google.com
License: MIT
Description:
Status and License
------------------
``virtualenv`` is a successor to `workingenv
<http://cheeseshop.python.org/pypi/workingenv.py>`_, and an extension
of `virtual-python
<http://peak.telecommunity.com/DevCenter/EasyInstall#creating-a-virtual-python>`_.
It was written by Ian Bicking, sponsored by the `Open Planning
Project <http://openplans.org>`_ and is now maintained by a
`group of developers <https://github.com/pypa/virtualenv/raw/master/AUTHORS.txt>`_.
It is licensed under an
`MIT-style permissive license <https://github.com/pypa/virtualenv/raw/master/LICENSE.txt>`_.
You can install it with ``easy_install virtualenv``, or the `latest
development version <https://github.com/pypa/virtualenv/tarball/develop#egg=virtualenv-dev>`_
with ``easy_install virtualenv==dev``.
What It Does
------------
``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).
The basic usage is::
$ python virtualenv.py ENV
If you install it you can also just do ``virtualenv ENV``.
This creates ``ENV/lib/pythonX.X/site-packages``, where any libraries you
install will go. It also creates ``ENV/bin/python``, which is a Python
interpreter that uses this environment. Anytime you use that interpreter
(including when a script has ``#!/path/to/ENV/bin/python`` in it) the libraries
in that environment will be used.
It also installs either `Setuptools
<http://peak.telecommunity.com/DevCenter/setuptools>`_ or `distribute
<http://pypi.python.org/pypi/distribute>`_ into the environment. To use
Distribute instead of setuptools, just call virtualenv like this::
$ python virtualenv.py --distribute ENV
You can also set the environment variable VIRTUALENV_USE_DISTRIBUTE.
A new virtualenv also includes the `pip <http://pypy.python.org/pypi/pip>`_
installer, so you can use `ENV/bin/pip`` to install additional packages into
the environment.
Windows Notes
~~~~~~~~~~~~~
Some paths within the virtualenv are slightly different on Windows: scripts and
executables on Windows go in ``ENV\Scripts\`` instead of ``ENV/bin/`` and
libraries go in ``ENV\Lib\`` rather than ``ENV/lib/``.
To create a virtualenv under a path with spaces in it on Windows, you'll need
the `win32api <http://sourceforge.net/projects/pywin32/>`_ library installed.
PyPy Support
~~~~~~~~~~~~
Beginning with virtualenv version 1.5 `PyPy <http://pypy.org>`_ is
supported. To use PyPy 1.4 or 1.4.1, you need a version of virtualenv >= 1.5.
To use PyPy 1.5, you need a version of virtualenv >= 1.6.1.
Creating Your Own Bootstrap Scripts
-----------------------------------
While this creates an environment, it doesn't put anything into the
environment. Developers may find it useful to distribute a script
that sets up a particular environment, for example a script that
installs a particular web application.
To create a script like this, call
``virtualenv.create_bootstrap_script(extra_text)``, and write the
result to your new bootstrapping script. Here's the documentation
from the docstring:
Creates a bootstrap script, which is like this script but with
extend_parser, adjust_options, and after_install hooks.
This returns a string that (written to disk of course) can be used
as a bootstrap script with your own customizations. The script
will be the standard virtualenv.py script, with your extra text
added (your extra text should be Python code).
If you include these functions, they will be called:
``extend_parser(optparse_parser)``:
You can add or remove options from the parser here.
``adjust_options(options, args)``:
You can change options here, or change the args (if you accept
different kinds of arguments, be sure you modify ``args`` so it is
only ``[DEST_DIR]``).
``after_install(options, home_dir)``:
After everything is installed, this function is called. This
is probably the function you are most likely to use. An
example would be::
def after_install(options, home_dir):
if sys.platform == 'win32':
bin = 'Scripts'
else:
bin = 'bin'
subprocess.call([join(home_dir, bin, 'easy_install'),
'MyPackage'])
subprocess.call([join(home_dir, bin, 'my-package-script'),
'setup', home_dir])
This example immediately installs a package, and runs a setup
script from that package.
Bootstrap Example
~~~~~~~~~~~~~~~~~
Here's a more concrete example of how you could use this::
import virtualenv, textwrap
output = virtualenv.create_bootstrap_script(textwrap.dedent("""
import os, subprocess
def after_install(options, home_dir):
etc = join(home_dir, 'etc')
if not os.path.exists(etc):
os.makedirs(etc)
subprocess.call([join(home_dir, 'bin', 'easy_install'),
'BlogApplication'])
subprocess.call([join(home_dir, 'bin', 'paster'),
'make-config', 'BlogApplication',
join(etc, 'blog.ini')])
subprocess.call([join(home_dir, 'bin', 'paster'),
'setup-app', join(etc, 'blog.ini')])
"""))
f = open('blog-bootstrap.py', 'w').write(output)
Another example is available `here
<https://svn.openplans.org/svn/fassembler/trunk/fassembler/create-venv-script.py>`_.
activate script
~~~~~~~~~~~~~~~
In a newly created virtualenv there will be a ``bin/activate`` shell
script, or a ``Scripts/activate.bat`` batch file on Windows.
On Posix systems you can do::
$ source bin/activate
This will change your ``$PATH`` to point to the virtualenv's ``bin/``
directory. (You have to use ``source`` because it changes your shell
environment in-place.) This is all it does; it's purely a convenience. If
you directly run a script or the python interpreter from the virtualenv's
``bin/`` directory (e.g. ``path/to/env/bin/pip`` or
``/path/to/env/bin/python script.py``) there's no need for activation.
After activating an environment you can use the function ``deactivate`` to
undo the changes to your ``$PATH``.
The ``activate`` script will also modify your shell prompt to indicate
which environment is currently active. You can disable this behavior,
which can be useful if you have your own custom prompt that already
displays the active environment name. To do so, set the
``VIRTUAL_ENV_DISABLE_PROMPT`` environment variable to any non-empty
value before running the ``activate`` script.
On Windows you just do::
> \path\to\env\Scripts\activate.bat
And use ``deactivate.bat`` to undo the changes.
The ``--no-site-packages`` Option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If you build with ``virtualenv --no-site-packages ENV`` it will *not*
inherit any packages from ``/usr/lib/python2.5/site-packages`` (or
wherever your global site-packages directory is). This can be used if
you don't have control over site-packages and don't want to depend on
the packages there, or you just want more isolation from the global
system.
Using Virtualenv without ``bin/python``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Sometimes you can't or don't want to use the Python interpreter
created by the virtualenv. For instance, in a `mod_python
<http://www.modpython.org/>`_ or `mod_wsgi <http://www.modwsgi.org/>`_
environment, there is only one interpreter.
Luckily, it's easy. You must use the custom Python interpreter to
*install* libraries. But to *use* libraries, you just have to be sure
the path is correct. A script is available to correct the path. You
can setup the environment like::
activate_this = '/path/to/env/bin/activate_this.py'
execfile(activate_this, dict(__file__=activate_this))
This will change ``sys.path`` and even change ``sys.prefix``, but also allow
you to use an existing interpreter. Items in your environment will show up
first on ``sys.path``, before global items. However, global items will
always be accessible -- this technique does not support the
``--no-site-packages`` flag. Also, this cannot undo the activation of other
environments, or modules that have been imported. You shouldn't try to, for
instance, activate an environment before a web request; you should activate
*one* environment as early as possible, and not do it again in that process.
Making Environments Relocatable
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Note: this option is somewhat experimental, and there are probably
caveats that have not yet been identified. Also this does not
currently work on Windows.
Normally environments are tied to a specific path. That means that
you cannot move an environment around or copy it to another computer.
You can fix up an environment to make it relocatable with the
command::
$ virtualenv --relocatable ENV
This will make some of the files created by setuptools or distribute
use relative paths, and will change all the scripts to use ``activate_this.py``
instead of using the location of the Python interpreter to select the
environment.
**Note:** you must run this after you've installed *any* packages into
the environment. If you make an environment relocatable, then
install a new package, you must run ``virtualenv --relocatable``
again.
Also, this **does not make your packages cross-platform**. You can
move the directory around, but it can only be used on other similar
computers. Some known environmental differences that can cause
incompatibilities: a different version of Python, when one platform
uses UCS2 for its internal unicode representation and another uses
UCS4 (a compile-time option), obvious platform changes like Windows
vs. Linux, or Intel vs. ARM, and if you have libraries that bind to C
libraries on the system, if those C libraries are located somewhere
different (either different versions, or a different filesystem
layout).
Currently the ``--no-site-packages`` option will not be honored if you
use this on an environment.
The ``--extra-search-dir`` Option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
When it creates a new environment, virtualenv installs either
setuptools or distribute, and pip. In normal operation, the latest
releases of these packages are fetched from the `Python Package Index
<http://pypi.python.org>`_ (PyPI). In some circumstances, this
behavior may not be wanted, for example if you are using virtualenv
during a deployment and do not want to depend on Internet access and
PyPI availability.
As an alternative, you can provide your own versions of setuptools,
distribute and/or pip on the filesystem, and tell virtualenv to use
those distributions instead of downloading them from the Internet. To
use this feature, pass one or more ``--extra-search-dir`` options to
virtualenv like this::
$ virtualenv --extra-search-dir=/path/to/distributions ENV
The ``/path/to/distributions`` path should point to a directory that
contains setuptools, distribute and/or pip distributions. Setuptools
distributions must be ``.egg`` files; distribute and pip distributions
should be `.tar.gz` source distributions.
Virtualenv will still download these packages if no satisfactory local
distributions are found.
If you are really concerned about virtualenv fetching these packages
from the Internet and want to ensure that it never will, you can also
provide an option ``--never-download`` like so::
$ virtualenv --extra-search-dir=/path/to/distributions --never-download ENV
If this option is provided, virtualenv will never try to download
setuptools/distribute or pip. Instead, it will exit with status code 1
if it fails to find local distributions for any of these required
packages.
Compare & Contrast with Alternatives
------------------------------------
There are several alternatives that create isolated environments:
* ``workingenv`` (which I do not suggest you use anymore) is the
predecessor to this library. It used the main Python interpreter,
but relied on setting ``$PYTHONPATH`` to activate the environment.
This causes problems when running Python scripts that aren't part of
the environment (e.g., a globally installed ``hg`` or ``bzr``). It
also conflicted a lot with Setuptools.
* `virtual-python
<http://peak.telecommunity.com/DevCenter/EasyInstall#creating-a-virtual-python>`_
is also a predecessor to this library. It uses only symlinks, so it
couldn't work on Windows. It also symlinks over the *entire*
standard library and global ``site-packages``. As a result, it
won't see new additions to the global ``site-packages``.
This script only symlinks a small portion of the standard library
into the environment, and so on Windows it is feasible to simply
copy these files over. Also, it creates a new/empty
``site-packages`` and also adds the global ``site-packages`` to the
path, so updates are tracked separately. This script also installs
Setuptools automatically, saving a step and avoiding the need for
network access.
* `zc.buildout <http://pypi.python.org/pypi/zc.buildout>`_ doesn't
create an isolated Python environment in the same style, but
achieves similar results through a declarative config file that sets
up scripts with very particular packages. As a declarative system,
it is somewhat easier to repeat and manage, but more difficult to
experiment with. ``zc.buildout`` includes the ability to setup
non-Python systems (e.g., a database server or an Apache instance).
I *strongly* recommend anyone doing application development or
deployment use one of these tools.
Contributing
------------
Refer to the `contributing to pip`_ documentation - it applies equally to
virtualenv.
Virtualenv's release schedule is tied to pip's -- each time there's a new pip
release, there will be a new virtualenv release that bundles the new version of
pip.
.. _contributing to pip: http://www.pip-installer.org/en/latest/how-to-contribute.html
Running the tests
~~~~~~~~~~~~~~~~~
Virtualenv's test suite is small and not yet at all comprehensive, but we aim
to grow it.
The easy way to run tests (handles test dependencies automatically)::
$ python setup.py test
If you want to run only a selection of the tests, you'll need to run them
directly with nose instead. Create a virtualenv, and install required
packages::
$ pip install nose mock
Run nosetests::
$ nosetests
Or select just a single test file to run::
$ nosetests tests.test_virtualenv
Other Documentation and Links
-----------------------------
* James Gardner has written a tutorial on using `virtualenv with
Pylons
<http://wiki.pylonshq.com/display/pylonscookbook/Using+a+Virtualenv+Sandbox>`_.
* `Blog announcement
<http://blog.ianbicking.org/2007/10/10/workingenv-is-dead-long-live-virtualenv/>`_.
* Doug Hellmann wrote a description of his `command-line work flow
using virtualenv (virtualenvwrapper)
<http://www.doughellmann.com/articles/CompletelyDifferent-2008-05-virtualenvwrapper/index.html>`_
including some handy scripts to make working with multiple
environments easier. He also wrote `an example of using virtualenv
to try IPython
<http://www.doughellmann.com/articles/CompletelyDifferent-2008-02-ipython-and-virtualenv/index.html>`_.
* Chris Perkins created a `showmedo video including virtualenv
<http://showmedo.com/videos/video?name=2910000&fromSeriesID=291>`_.
* `Using virtualenv with mod_wsgi
<http://code.google.com/p/modwsgi/wiki/VirtualEnvironments>`_.
* `virtualenv commands
<http://thisismedium.com/tech/extending-virtualenv/>`_ for some more
workflow-related tools around virtualenv.
Changes & News
--------------
Next release (1.7) schedule
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Beta release mid-July 2011, final release early August.
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 intepreter (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
Jucovy.
* Added --never-download and --search-dir options. Thanks Ethan Jucovy.
1.6
~~~
* 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.
1.5.2
~~~~~
* Moved main repository to Github: https://github.com/pypa/virtualenv
* 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 https://github.com/pypa/virtualenv
1.5.1
~~~~~
* Added ``_weakrefset`` requirement for Python 2.7.1.
* Fixed Windows regression in 1.5
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.
1.4.9
~~~~~
* Include pip 0.7.2
1.4.8
~~~~~
* Fix for Mac OS X Framework builds that use
``--universal-archs=intel``
* Fix ``activate_this.py`` on Windows.
* Allow ``$PYTHONHOME`` to be set, so long as you use ``source
bin/activate`` it will get unset; if you leave it set and do not
activate the environment it will still break the environment.
* Include pip 0.7.1
1.4.7
~~~~~
* Include pip 0.7
1.4.6
~~~~~
* Allow ``activate.sh`` to skip updating the prompt (by setting
``$VIRTUAL_ENV_DISABLE_PROMPT``).
1.4.5
~~~~~
* Include pip 0.6.3
* Fix ``activate.bat`` and ``deactivate.bat`` under Windows when
``PATH`` contained a parenthesis
1.4.4
~~~~~
* Include pip 0.6.2 and Distribute 0.6.10
* Create the ``virtualenv`` script even when Setuptools isn't
installed
* Fix problem with ``virtualenv --relocate`` when ``bin/`` has
subdirectories (e.g., ``bin/.svn/``); from Alan Franzoni.
* If you set ``$VIRTUALENV_USE_DISTRIBUTE`` then virtualenv will use
Distribute by default (so you don't have to remember to use
``--distribute``).
1.4.3
~~~~~
* Include pip 0.6.1
1.4.2
~~~~~
* Fix pip installation on Windows
* Fix use of stand-alone ``virtualenv.py`` (and boot scripts)
* Exclude ~/.local (user site-packages) from environments when using
``--no-site-packages``
1.4.1
~~~~~
* Include pip 0.6
1.4
~~~
* Updated setuptools to 0.6c11
* Added the --distribute option
* Fixed packaging problem of support-files
1.3.4
~~~~~
* 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
``sys.path``.
* 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.
1.3.3
~~~~~
* 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 <https://bugs.launchpad.net/virtualenv/+bug/241581>`_
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
<https://bugs.launchpad.net/virtualenv/+bug/340050>`_ picking up
some ``.so`` libraries in ``/usr/local``.
1.3.2
~~~~~
* 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 <./index.html#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``
1.3.1
~~~~~
* Real Python 2.6 compatibility. Backported the Python 2.6 updates to
``site.py``, including `user directories
<http://docs.python.org/dev/whatsnew/2.6.html#pep-370-per-user-site-packages-directory>`_
(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
jython-complete.jar.
1.3
~~~
* 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/activate_this.py``, a file you can use like
``execfile("path_to/activate_this.py",
dict(__file__="path_to/activate_this.py"))`` -- this will activate
the environment in place, similar to what `the mod_wsgi example
does <http://code.google.com/p/modwsgi/wiki/VirtualEnvironments>`_.
* 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.
1.2
~~~
* 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).
1.1.1
~~~~~
* Added support for Jython 2.5.
1.1
~~~
* 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 ez_setup.py in ``/tmp``
* Copy or symlink over the ``include`` directory so that packages will
more consistently compile.
1.0
~~~
* 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.
0.9.2
~~~~~
* 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
``bin/python``).
* Fixed an issue with Mac Framework Python builds, and absolute paths
(from Ronald Oussoren).
0.9.1
~~~~~
* Improve ability to create a virtualenv from inside a virtualenv.
* Fix a little bug in ``bin/activate``.
* Actually get ``distutils.cfg`` to work reliably.
0.9
~~~
* 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
creation.
* Fix a problem creating a ``lib64/`` directory.
* Should work on MacOSX Framework builds (the default Python
installations on Mac). Thanks to Ronald Oussoren.
0.8.4
~~~~~
* Windows installs would sometimes give errors about ``sys.prefix`` that
were inaccurate.
* Slightly prettier output.
0.8.3
~~~~~
* Added support for Windows.
0.8.2
~~~~~
* 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.
0.8.1
~~~~~
Fixed packaging of the library.
0.8
~~~
Initial release. Everything is changed and new!
Keywords: setuptools deployment installation distutils
Platform: UNKNOWN
Classifier: Development Status :: 4 - Beta
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 2.4
Classifier: Programming Language :: Python :: 2.5
Classifier: Programming Language :: Python :: 2.6
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.1
Classifier: Programming Language :: Python :: 3.2
src/virtualenv-1.6.4/docs/index.txt
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virtualenv
==========
* `Discussion list <http://groups.google.com/group/python-virtualenv/>`_
* `Bugs <https://github.com/pypa/virtualenv/issues/>`_
.. contents::
.. toctree::
:maxdepth: 1
news
.. comment: split here
Status and License
------------------
``virtualenv`` is a successor to `workingenv
<http://cheeseshop.python.org/pypi/workingenv.py>`_, and an extension
of `virtual-python
<http://peak.telecommunity.com/DevCenter/EasyInstall#creating-a-virtual-python>`_.
It was written by Ian Bicking, sponsored by the `Open Planning
Project <http://openplans.org>`_ and is now maintained by a
`group of developers <https://github.com/pypa/virtualenv/raw/master/AUTHORS.txt>`_.
It is licensed under an
`MIT-style permissive license <https://github.com/pypa/virtualenv/raw/master/LICENSE.txt>`_.
You can install it with ``easy_install virtualenv``, or the `latest
development version <https://github.com/pypa/virtualenv/tarball/develop#egg=virtualenv-dev>`_
with ``easy_install virtualenv==dev``.
What It Does
------------
``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).
The basic usage is::
$ python virtualenv.py ENV
If you install it you can also just do ``virtualenv ENV``.
This creates ``ENV/lib/pythonX.X/site-packages``, where any libraries you
install will go. It also creates ``ENV/bin/python``, which is a Python
interpreter that uses this environment. Anytime you use that interpreter
(including when a script has ``#!/path/to/ENV/bin/python`` in it) the libraries
in that environment will be used.
It also installs either `Setuptools
<http://peak.telecommunity.com/DevCenter/setuptools>`_ or `distribute
<http://pypi.python.org/pypi/distribute>`_ into the environment. To use
Distribute instead of setuptools, just call virtualenv like this::
$ python virtualenv.py --distribute ENV
You can also set the environment variable VIRTUALENV_USE_DISTRIBUTE.
A new virtualenv also includes the `pip <http://pypy.python.org/pypi/pip>`_
installer, so you can use `ENV/bin/pip`` to install additional packages into
the environment.
Windows Notes
~~~~~~~~~~~~~
Some paths within the virtualenv are slightly different on Windows: scripts and
executables on Windows go in ``ENV\Scripts\`` instead of ``ENV/bin/`` and
libraries go in ``ENV\Lib\`` rather than ``ENV/lib/``.
To create a virtualenv under a path with spaces in it on Windows, you'll need
the `win32api <http://sourceforge.net/projects/pywin32/>`_ library installed.
PyPy Support
~~~~~~~~~~~~
Beginning with virtualenv version 1.5 `PyPy <http://pypy.org>`_ is
supported. To use PyPy 1.4 or 1.4.1, you need a version of virtualenv >= 1.5.
To use PyPy 1.5, you need a version of virtualenv >= 1.6.1.
Creating Your Own Bootstrap Scripts
-----------------------------------
While this creates an environment, it doesn't put anything into the
environment. Developers may find it useful to distribute a script
that sets up a particular environment, for example a script that
installs a particular web application.
To create a script like this, call
``virtualenv.create_bootstrap_script(extra_text)``, and write the
result to your new bootstrapping script. Here's the documentation
from the docstring:
Creates a bootstrap script, which is like this script but with
extend_parser, adjust_options, and after_install hooks.
This returns a string that (written to disk of course) can be used
as a bootstrap script with your own customizations. The script
will be the standard virtualenv.py script, with your extra text
added (your extra text should be Python code).
If you include these functions, they will be called:
``extend_parser(optparse_parser)``:
You can add or remove options from the parser here.
``adjust_options(options, args)``:
You can change options here, or change the args (if you accept
different kinds of arguments, be sure you modify ``args`` so it is
only ``[DEST_DIR]``).
``after_install(options, home_dir)``:
After everything is installed, this function is called. This
is probably the function you are most likely to use. An
example would be::
def after_install(options, home_dir):
if sys.platform == 'win32':
bin = 'Scripts'
else:
bin = 'bin'
subprocess.call([join(home_dir, bin, 'easy_install'),
'MyPackage'])
subprocess.call([join(home_dir, bin, 'my-package-script'),
'setup', home_dir])
This example immediately installs a package, and runs a setup
script from that package.
Bootstrap Example
~~~~~~~~~~~~~~~~~
Here's a more concrete example of how you could use this::
import virtualenv, textwrap
output = virtualenv.create_bootstrap_script(textwrap.dedent("""
import os, subprocess
def after_install(options, home_dir):
etc = join(home_dir, 'etc')
if not os.path.exists(etc):
os.makedirs(etc)
subprocess.call([join(home_dir, 'bin', 'easy_install'),
'BlogApplication'])
subprocess.call([join(home_dir, 'bin', 'paster'),
'make-config', 'BlogApplication',
join(etc, 'blog.ini')])
subprocess.call([join(home_dir, 'bin', 'paster'),
'setup-app', join(etc, 'blog.ini')])
"""))
f = open('blog-bootstrap.py', 'w').write(output)
Another example is available `here
<https://svn.openplans.org/svn/fassembler/trunk/fassembler/create-venv-script.py>`_.
activate script
~~~~~~~~~~~~~~~
In a newly created virtualenv there will be a ``bin/activate`` shell
script, or a ``Scripts/activate.bat`` batch file on Windows.
On Posix systems you can do::
$ source bin/activate
This will change your ``$PATH`` to point to the virtualenv's ``bin/``
directory. (You have to use ``source`` because it changes your shell
environment in-place.) This is all it does; it's purely a convenience. If
you directly run a script or the python interpreter from the virtualenv's
``bin/`` directory (e.g. ``path/to/env/bin/pip`` or
``/path/to/env/bin/python script.py``) there's no need for activation.
After activating an environment you can use the function ``deactivate`` to
undo the changes to your ``$PATH``.
The ``activate`` script will also modify your shell prompt to indicate
which environment is currently active. You can disable this behavior,
which can be useful if you have your own custom prompt that already
displays the active environment name. To do so, set the
``VIRTUAL_ENV_DISABLE_PROMPT`` environment variable to any non-empty
value before running the ``activate`` script.
On Windows you just do::
> \path\to\env\Scripts\activate.bat
And use ``deactivate.bat`` to undo the changes.
The ``--no-site-packages`` Option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If you build with ``virtualenv --no-site-packages ENV`` it will *not*
inherit any packages from ``/usr/lib/python2.5/site-packages`` (or
wherever your global site-packages directory is). This can be used if
you don't have control over site-packages and don't want to depend on
the packages there, or you just want more isolation from the global
system.
Using Virtualenv without ``bin/python``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Sometimes you can't or don't want to use the Python interpreter
created by the virtualenv. For instance, in a `mod_python
<http://www.modpython.org/>`_ or `mod_wsgi <http://www.modwsgi.org/>`_
environment, there is only one interpreter.
Luckily, it's easy. You must use the custom Python interpreter to
*install* libraries. But to *use* libraries, you just have to be sure
the path is correct. A script is available to correct the path. You
can setup the environment like::
activate_this = '/path/to/env/bin/activate_this.py'
execfile(activate_this, dict(__file__=activate_this))
This will change ``sys.path`` and even change ``sys.prefix``, but also allow
you to use an existing interpreter. Items in your environment will show up
first on ``sys.path``, before global items. However, global items will
always be accessible -- this technique does not support the
``--no-site-packages`` flag. Also, this cannot undo the activation of other
environments, or modules that have been imported. You shouldn't try to, for
instance, activate an environment before a web request; you should activate
*one* environment as early as possible, and not do it again in that process.
Making Environments Relocatable
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Note: this option is somewhat experimental, and there are probably
caveats that have not yet been identified. Also this does not
currently work on Windows.
Normally environments are tied to a specific path. That means that
you cannot move an environment around or copy it to another computer.
You can fix up an environment to make it relocatable with the
command::
$ virtualenv --relocatable ENV
This will make some of the files created by setuptools or distribute
use relative paths, and will change all the scripts to use ``activate_this.py``
instead of using the location of the Python interpreter to select the
environment.
**Note:** you must run this after you've installed *any* packages into
the environment. If you make an environment relocatable, then
install a new package, you must run ``virtualenv --relocatable``
again.
Also, this **does not make your packages cross-platform**. You can
move the directory around, but it can only be used on other similar
computers. Some known environmental differences that can cause
incompatibilities: a different version of Python, when one platform
uses UCS2 for its internal unicode representation and another uses
UCS4 (a compile-time option), obvious platform changes like Windows
vs. Linux, or Intel vs. ARM, and if you have libraries that bind to C
libraries on the system, if those C libraries are located somewhere
different (either different versions, or a different filesystem
layout).
Currently the ``--no-site-packages`` option will not be honored if you
use this on an environment.
The ``--extra-search-dir`` Option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
When it creates a new environment, virtualenv installs either
setuptools or distribute, and pip. In normal operation, the latest
releases of these packages are fetched from the `Python Package Index
<http://pypi.python.org>`_ (PyPI). In some circumstances, this
behavior may not be wanted, for example if you are using virtualenv
during a deployment and do not want to depend on Internet access and
PyPI availability.
As an alternative, you can provide your own versions of setuptools,
distribute and/or pip on the filesystem, and tell virtualenv to use
those distributions instead of downloading them from the Internet. To
use this feature, pass one or more ``--extra-search-dir`` options to
virtualenv like this::
$ virtualenv --extra-search-dir=/path/to/distributions ENV
The ``/path/to/distributions`` path should point to a directory that
contains setuptools, distribute and/or pip distributions. Setuptools
distributions must be ``.egg`` files; distribute and pip distributions
should be `.tar.gz` source distributions.
Virtualenv will still download these packages if no satisfactory local
distributions are found.
If you are really concerned about virtualenv fetching these packages
from the Internet and want to ensure that it never will, you can also
provide an option ``--never-download`` like so::
$ virtualenv --extra-search-dir=/path/to/distributions --never-download ENV
If this option is provided, virtualenv will never try to download
setuptools/distribute or pip. Instead, it will exit with status code 1
if it fails to find local distributions for any of these required
packages.
Compare & Contrast with Alternatives
------------------------------------
There are several alternatives that create isolated environments:
* ``workingenv`` (which I do not suggest you use anymore) is the
predecessor to this library. It used the main Python interpreter,
but relied on setting ``$PYTHONPATH`` to activate the environment.
This causes problems when running Python scripts that aren't part of
the environment (e.g., a globally installed ``hg`` or ``bzr``). It
also conflicted a lot with Setuptools.
* `virtual-python
<http://peak.telecommunity.com/DevCenter/EasyInstall#creating-a-virtual-python>`_
is also a predecessor to this library. It uses only symlinks, so it
couldn't work on Windows. It also symlinks over the *entire*
standard library and global ``site-packages``. As a result, it
won't see new additions to the global ``site-packages``.
This script only symlinks a small portion of the standard library
into the environment, and so on Windows it is feasible to simply
copy these files over. Also, it creates a new/empty
``site-packages`` and also adds the global ``site-packages`` to the
path, so updates are tracked separately. This script also installs
Setuptools automatically, saving a step and avoiding the need for
network access.
* `zc.buildout <http://pypi.python.org/pypi/zc.buildout>`_ doesn't
create an isolated Python environment in the same style, but
achieves similar results through a declarative config file that sets
up scripts with very particular packages. As a declarative system,
it is somewhat easier to repeat and manage, but more difficult to
experiment with. ``zc.buildout`` includes the ability to setup
non-Python systems (e.g., a database server or an Apache instance).
I *strongly* recommend anyone doing application development or
deployment use one of these tools.
Contributing
------------
Refer to the `contributing to pip`_ documentation - it applies equally to
virtualenv.
Virtualenv's release schedule is tied to pip's -- each time there's a new pip
release, there will be a new virtualenv release that bundles the new version of
pip.
.. _contributing to pip: http://www.pip-installer.org/en/latest/how-to-contribute.html
Running the tests
~~~~~~~~~~~~~~~~~
Virtualenv's test suite is small and not yet at all comprehensive, but we aim
to grow it.
The easy way to run tests (handles test dependencies automatically)::
$ python setup.py test
If you want to run only a selection of the tests, you'll need to run them
directly with nose instead. Create a virtualenv, and install required
packages::
$ pip install nose mock
Run nosetests::
$ nosetests
Or select just a single test file to run::
$ nosetests tests.test_virtualenv
Other Documentation and Links
-----------------------------
* James Gardner has written a tutorial on using `virtualenv with
Pylons
<http://wiki.pylonshq.com/display/pylonscookbook/Using+a+Virtualenv+Sandbox>`_.
* `Blog announcement
<http://blog.ianbicking.org/2007/10/10/workingenv-is-dead-long-live-virtualenv/>`_.
* Doug Hellmann wrote a description of his `command-line work flow
using virtualenv (virtualenvwrapper)
<http://www.doughellmann.com/articles/CompletelyDifferent-2008-05-virtualenvwrapper/index.html>`_
including some handy scripts to make working with multiple
environments easier. He also wrote `an example of using virtualenv
to try IPython
<http://www.doughellmann.com/articles/CompletelyDifferent-2008-02-ipython-and-virtualenv/index.html>`_.
* Chris Perkins created a `showmedo video including virtualenv
<http://showmedo.com/videos/video?name=2910000&fromSeriesID=291>`_.
* `Using virtualenv with mod_wsgi
<http://code.google.com/p/modwsgi/wiki/VirtualEnvironments>`_.
* `virtualenv commands
<http://thisismedium.com/tech/extending-virtualenv/>`_ for some more
workflow-related tools around virtualenv.
src/virtualenv-1.6.4/docs/news.txt
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Changes & News
--------------
Next release (1.7) schedule
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Beta release mid-July 2011, final release early August.
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 intepreter (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
Jucovy.
* Added --never-download and --search-dir options. Thanks Ethan Jucovy.
1.6
~~~
* 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.
1.5.2
~~~~~
* Moved main repository to Github: https://github.com/pypa/virtualenv
* 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 https://github.com/pypa/virtualenv
1.5.1
~~~~~
* Added ``_weakrefset`` requirement for Python 2.7.1.
* Fixed Windows regression in 1.5
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.
1.4.9
~~~~~
* Include pip 0.7.2
1.4.8
~~~~~
* Fix for Mac OS X Framework builds that use
``--universal-archs=intel``
* Fix ``activate_this.py`` on Windows.
* Allow ``$PYTHONHOME`` to be set, so long as you use ``source
bin/activate`` it will get unset; if you leave it set and do not
activate the environment it will still break the environment.
* Include pip 0.7.1
1.4.7
~~~~~
* Include pip 0.7
1.4.6
~~~~~
* Allow ``activate.sh`` to skip updating the prompt (by setting
``$VIRTUAL_ENV_DISABLE_PROMPT``).
1.4.5
~~~~~
* Include pip 0.6.3
* Fix ``activate.bat`` and ``deactivate.bat`` under Windows when
``PATH`` contained a parenthesis
1.4.4
~~~~~
* Include pip 0.6.2 and Distribute 0.6.10
* Create the ``virtualenv`` script even when Setuptools isn't
installed
* Fix problem with ``virtualenv --relocate`` when ``bin/`` has
subdirectories (e.g., ``bin/.svn/``); from Alan Franzoni.
* If you set ``$VIRTUALENV_USE_DISTRIBUTE`` then virtualenv will use
Distribute by default (so you don't have to remember to use
``--distribute``).
1.4.3
~~~~~
* Include pip 0.6.1
1.4.2
~~~~~
* Fix pip installation on Windows
* Fix use of stand-alone ``virtualenv.py`` (and boot scripts)
* Exclude ~/.local (user site-packages) from environments when using
``--no-site-packages``
1.4.1
~~~~~
* Include pip 0.6
1.4
~~~
* Updated setuptools to 0.6c11
* Added the --distribute option
* Fixed packaging problem of support-files
1.3.4
~~~~~
* 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
``sys.path``.
* 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.
1.3.3
~~~~~
* 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 <https://bugs.launchpad.net/virtualenv/+bug/241581>`_
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
<https://bugs.launchpad.net/virtualenv/+bug/340050>`_ picking up
some ``.so`` libraries in ``/usr/local``.
1.3.2
~~~~~
* 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 <./index.html#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``
1.3.1
~~~~~
* Real Python 2.6 compatibility. Backported the Python 2.6 updates to
``site.py``, including `user directories
<http://docs.python.org/dev/whatsnew/2.6.html#pep-370-per-user-site-packages-directory>`_
(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
jython-complete.jar.
1.3
~~~
* 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/activate_this.py``, a file you can use like
``execfile("path_to/activate_this.py",
dict(__file__="path_to/activate_this.py"))`` -- this will activate
the environment in place, similar to what `the mod_wsgi example
does <http://code.google.com/p/modwsgi/wiki/VirtualEnvironments>`_.
* 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.
1.2
~~~
* 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).
1.1.1
~~~~~
* Added support for Jython 2.5.
1.1
~~~
* 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 ez_setup.py in ``/tmp``
* Copy or symlink over the ``include`` directory so that packages will
more consistently compile.
1.0
~~~
* 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.
0.9.2
~~~~~
* 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
``bin/python``).
* Fixed an issue with Mac Framework Python builds, and absolute paths
(from Ronald Oussoren).
0.9.1
~~~~~
* Improve ability to create a virtualenv from inside a virtualenv.
* Fix a little bug in ``bin/activate``.
* Actually get ``distutils.cfg`` to work reliably.
0.9
~~~
* 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
creation.
* Fix a problem creating a ``lib64/`` directory.
* Should work on MacOSX Framework builds (the default Python
installations on Mac). Thanks to Ronald Oussoren.
0.8.4
~~~~~
* Windows installs would sometimes give errors about ``sys.prefix`` that
were inaccurate.
* Slightly prettier output.
0.8.3
~~~~~
* Added support for Windows.
0.8.2
~~~~~
* 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.
0.8.1
~~~~~
Fixed packaging of the library.
0.8
~~~
Initial release. Everything is changed and new!
src/virtualenv-1.6.4/scripts/virtualenv
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@@ -0,0 +1,3 @@
#!/usr/bin/env python
import virtualenv
virtualenv.main()
src/virtualenv-1.6.4/setup.cfg
+5
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@@ -0,0 +1,5 @@
[egg_info]
tag_build =
tag_date = 0
tag_svn_revision = 0
src/virtualenv-1.6.4/setup.py
+58
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@@ -0,0 +1,58 @@
import sys, os
try:
from setuptools import setup
kw = {'entry_points':
"""[console_scripts]\nvirtualenv = virtualenv:main\n""",
'zip_safe': False}
except ImportError:
from distutils.core import setup
if sys.platform == 'win32':
print('Note: without Setuptools installed you will have to use "python -m virtualenv ENV"')
kw = {}
else:
kw = {'scripts': ['scripts/virtualenv']}
here = os.path.dirname(os.path.abspath(__file__))
## Get long_description from index.txt:
f = open(os.path.join(here, 'docs', 'index.txt'))
long_description = f.read().strip()
long_description = long_description.split('split here', 1)[1]
f.close()
f = open(os.path.join(here, 'docs', 'news.txt'))
long_description += "\n\n" + f.read()
f.close()
setup(name='virtualenv',
# If you change the version here, change it in virtualenv.py and
# docs/conf.py as well
version="1.6.4",
description="Virtual Python Environment builder",
long_description=long_description,
classifiers=[
'Development Status :: 4 - Beta',
'Intended Audience :: Developers',
'License :: OSI Approved :: MIT License',
'Programming Language :: Python :: 2',
'Programming Language :: Python :: 2.4',
'Programming Language :: Python :: 2.5',
'Programming Language :: Python :: 2.6',
'Programming Language :: Python :: 2.7',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.1',
'Programming Language :: Python :: 3.2',
],
keywords='setuptools deployment installation distutils',
author='Ian Bicking',
author_email='ianb@colorstudy.com',
maintainer='Jannis Leidel, Carl Meyer and Brian Rosner',
maintainer_email='python-virtualenv@groups.google.com',
url='http://www.virtualenv.org',
license='MIT',
py_modules=['virtualenv'],
packages=['virtualenv_support'],
package_data={'virtualenv_support': ['*-py%s.egg' % sys.version[:3], '*.tar.gz']},
test_suite='nose.collector',
tests_require=['nose', 'Mock'],
**kw
)
src/virtualenv-1.6.4/virtualenv.egg-info/PKG-INFO
+827
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@@ -0,0 +1,827 @@
Metadata-Version: 1.0
Name: virtualenv
Version: 1.6.4
Summary: Virtual Python Environment builder
Home-page: http://www.virtualenv.org
Author: Jannis Leidel, Carl Meyer and Brian Rosner
Author-email: python-virtualenv@groups.google.com
License: MIT
Description:
Status and License
------------------
``virtualenv`` is a successor to `workingenv
<http://cheeseshop.python.org/pypi/workingenv.py>`_, and an extension
of `virtual-python
<http://peak.telecommunity.com/DevCenter/EasyInstall#creating-a-virtual-python>`_.
It was written by Ian Bicking, sponsored by the `Open Planning
Project <http://openplans.org>`_ and is now maintained by a
`group of developers <https://github.com/pypa/virtualenv/raw/master/AUTHORS.txt>`_.
It is licensed under an
`MIT-style permissive license <https://github.com/pypa/virtualenv/raw/master/LICENSE.txt>`_.
You can install it with ``easy_install virtualenv``, or the `latest
development version <https://github.com/pypa/virtualenv/tarball/develop#egg=virtualenv-dev>`_
with ``easy_install virtualenv==dev``.
What It Does
------------
``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).
The basic usage is::
$ python virtualenv.py ENV
If you install it you can also just do ``virtualenv ENV``.
This creates ``ENV/lib/pythonX.X/site-packages``, where any libraries you
install will go. It also creates ``ENV/bin/python``, which is a Python
interpreter that uses this environment. Anytime you use that interpreter
(including when a script has ``#!/path/to/ENV/bin/python`` in it) the libraries
in that environment will be used.
It also installs either `Setuptools
<http://peak.telecommunity.com/DevCenter/setuptools>`_ or `distribute
<http://pypi.python.org/pypi/distribute>`_ into the environment. To use
Distribute instead of setuptools, just call virtualenv like this::
$ python virtualenv.py --distribute ENV
You can also set the environment variable VIRTUALENV_USE_DISTRIBUTE.
A new virtualenv also includes the `pip <http://pypy.python.org/pypi/pip>`_
installer, so you can use `ENV/bin/pip`` to install additional packages into
the environment.
Windows Notes
~~~~~~~~~~~~~
Some paths within the virtualenv are slightly different on Windows: scripts and
executables on Windows go in ``ENV\Scripts\`` instead of ``ENV/bin/`` and
libraries go in ``ENV\Lib\`` rather than ``ENV/lib/``.
To create a virtualenv under a path with spaces in it on Windows, you'll need
the `win32api <http://sourceforge.net/projects/pywin32/>`_ library installed.
PyPy Support
~~~~~~~~~~~~
Beginning with virtualenv version 1.5 `PyPy <http://pypy.org>`_ is
supported. To use PyPy 1.4 or 1.4.1, you need a version of virtualenv >= 1.5.
To use PyPy 1.5, you need a version of virtualenv >= 1.6.1.
Creating Your Own Bootstrap Scripts
-----------------------------------
While this creates an environment, it doesn't put anything into the
environment. Developers may find it useful to distribute a script
that sets up a particular environment, for example a script that
installs a particular web application.
To create a script like this, call
``virtualenv.create_bootstrap_script(extra_text)``, and write the
result to your new bootstrapping script. Here's the documentation
from the docstring:
Creates a bootstrap script, which is like this script but with
extend_parser, adjust_options, and after_install hooks.
This returns a string that (written to disk of course) can be used
as a bootstrap script with your own customizations. The script
will be the standard virtualenv.py script, with your extra text
added (your extra text should be Python code).
If you include these functions, they will be called:
``extend_parser(optparse_parser)``:
You can add or remove options from the parser here.
``adjust_options(options, args)``:
You can change options here, or change the args (if you accept
different kinds of arguments, be sure you modify ``args`` so it is
only ``[DEST_DIR]``).
``after_install(options, home_dir)``:
After everything is installed, this function is called. This
is probably the function you are most likely to use. An
example would be::
def after_install(options, home_dir):
if sys.platform == 'win32':
bin = 'Scripts'
else:
bin = 'bin'
subprocess.call([join(home_dir, bin, 'easy_install'),
'MyPackage'])
subprocess.call([join(home_dir, bin, 'my-package-script'),
'setup', home_dir])
This example immediately installs a package, and runs a setup
script from that package.
Bootstrap Example
~~~~~~~~~~~~~~~~~
Here's a more concrete example of how you could use this::
import virtualenv, textwrap
output = virtualenv.create_bootstrap_script(textwrap.dedent("""
import os, subprocess
def after_install(options, home_dir):
etc = join(home_dir, 'etc')
if not os.path.exists(etc):
os.makedirs(etc)
subprocess.call([join(home_dir, 'bin', 'easy_install'),
'BlogApplication'])
subprocess.call([join(home_dir, 'bin', 'paster'),
'make-config', 'BlogApplication',
join(etc, 'blog.ini')])
subprocess.call([join(home_dir, 'bin', 'paster'),
'setup-app', join(etc, 'blog.ini')])
"""))
f = open('blog-bootstrap.py', 'w').write(output)
Another example is available `here
<https://svn.openplans.org/svn/fassembler/trunk/fassembler/create-venv-script.py>`_.
activate script
~~~~~~~~~~~~~~~
In a newly created virtualenv there will be a ``bin/activate`` shell
script, or a ``Scripts/activate.bat`` batch file on Windows.
On Posix systems you can do::
$ source bin/activate
This will change your ``$PATH`` to point to the virtualenv's ``bin/``
directory. (You have to use ``source`` because it changes your shell
environment in-place.) This is all it does; it's purely a convenience. If
you directly run a script or the python interpreter from the virtualenv's
``bin/`` directory (e.g. ``path/to/env/bin/pip`` or
``/path/to/env/bin/python script.py``) there's no need for activation.
After activating an environment you can use the function ``deactivate`` to
undo the changes to your ``$PATH``.
The ``activate`` script will also modify your shell prompt to indicate
which environment is currently active. You can disable this behavior,
which can be useful if you have your own custom prompt that already
displays the active environment name. To do so, set the
``VIRTUAL_ENV_DISABLE_PROMPT`` environment variable to any non-empty
value before running the ``activate`` script.
On Windows you just do::
> \path\to\env\Scripts\activate.bat
And use ``deactivate.bat`` to undo the changes.
The ``--no-site-packages`` Option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If you build with ``virtualenv --no-site-packages ENV`` it will *not*
inherit any packages from ``/usr/lib/python2.5/site-packages`` (or
wherever your global site-packages directory is). This can be used if
you don't have control over site-packages and don't want to depend on
the packages there, or you just want more isolation from the global
system.
Using Virtualenv without ``bin/python``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Sometimes you can't or don't want to use the Python interpreter
created by the virtualenv. For instance, in a `mod_python
<http://www.modpython.org/>`_ or `mod_wsgi <http://www.modwsgi.org/>`_
environment, there is only one interpreter.
Luckily, it's easy. You must use the custom Python interpreter to
*install* libraries. But to *use* libraries, you just have to be sure
the path is correct. A script is available to correct the path. You
can setup the environment like::
activate_this = '/path/to/env/bin/activate_this.py'
execfile(activate_this, dict(__file__=activate_this))
This will change ``sys.path`` and even change ``sys.prefix``, but also allow
you to use an existing interpreter. Items in your environment will show up
first on ``sys.path``, before global items. However, global items will
always be accessible -- this technique does not support the
``--no-site-packages`` flag. Also, this cannot undo the activation of other
environments, or modules that have been imported. You shouldn't try to, for
instance, activate an environment before a web request; you should activate
*one* environment as early as possible, and not do it again in that process.
Making Environments Relocatable
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Note: this option is somewhat experimental, and there are probably
caveats that have not yet been identified. Also this does not
currently work on Windows.
Normally environments are tied to a specific path. That means that
you cannot move an environment around or copy it to another computer.
You can fix up an environment to make it relocatable with the
command::
$ virtualenv --relocatable ENV
This will make some of the files created by setuptools or distribute
use relative paths, and will change all the scripts to use ``activate_this.py``
instead of using the location of the Python interpreter to select the
environment.
**Note:** you must run this after you've installed *any* packages into
the environment. If you make an environment relocatable, then
install a new package, you must run ``virtualenv --relocatable``
again.
Also, this **does not make your packages cross-platform**. You can
move the directory around, but it can only be used on other similar
computers. Some known environmental differences that can cause
incompatibilities: a different version of Python, when one platform
uses UCS2 for its internal unicode representation and another uses
UCS4 (a compile-time option), obvious platform changes like Windows
vs. Linux, or Intel vs. ARM, and if you have libraries that bind to C
libraries on the system, if those C libraries are located somewhere
different (either different versions, or a different filesystem
layout).
Currently the ``--no-site-packages`` option will not be honored if you
use this on an environment.
The ``--extra-search-dir`` Option
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
When it creates a new environment, virtualenv installs either
setuptools or distribute, and pip. In normal operation, the latest
releases of these packages are fetched from the `Python Package Index
<http://pypi.python.org>`_ (PyPI). In some circumstances, this
behavior may not be wanted, for example if you are using virtualenv
during a deployment and do not want to depend on Internet access and
PyPI availability.
As an alternative, you can provide your own versions of setuptools,
distribute and/or pip on the filesystem, and tell virtualenv to use
those distributions instead of downloading them from the Internet. To
use this feature, pass one or more ``--extra-search-dir`` options to
virtualenv like this::
$ virtualenv --extra-search-dir=/path/to/distributions ENV
The ``/path/to/distributions`` path should point to a directory that
contains setuptools, distribute and/or pip distributions. Setuptools
distributions must be ``.egg`` files; distribute and pip distributions
should be `.tar.gz` source distributions.
Virtualenv will still download these packages if no satisfactory local
distributions are found.
If you are really concerned about virtualenv fetching these packages
from the Internet and want to ensure that it never will, you can also
provide an option ``--never-download`` like so::
$ virtualenv --extra-search-dir=/path/to/distributions --never-download ENV
If this option is provided, virtualenv will never try to download
setuptools/distribute or pip. Instead, it will exit with status code 1
if it fails to find local distributions for any of these required
packages.
Compare & Contrast with Alternatives
------------------------------------
There are several alternatives that create isolated environments:
* ``workingenv`` (which I do not suggest you use anymore) is the
predecessor to this library. It used the main Python interpreter,
but relied on setting ``$PYTHONPATH`` to activate the environment.
This causes problems when running Python scripts that aren't part of
the environment (e.g., a globally installed ``hg`` or ``bzr``). It
also conflicted a lot with Setuptools.
* `virtual-python
<http://peak.telecommunity.com/DevCenter/EasyInstall#creating-a-virtual-python>`_
is also a predecessor to this library. It uses only symlinks, so it
couldn't work on Windows. It also symlinks over the *entire*
standard library and global ``site-packages``. As a result, it
won't see new additions to the global ``site-packages``.
This script only symlinks a small portion of the standard library
into the environment, and so on Windows it is feasible to simply
copy these files over. Also, it creates a new/empty
``site-packages`` and also adds the global ``site-packages`` to the
path, so updates are tracked separately. This script also installs
Setuptools automatically, saving a step and avoiding the need for
network access.
* `zc.buildout <http://pypi.python.org/pypi/zc.buildout>`_ doesn't
create an isolated Python environment in the same style, but
achieves similar results through a declarative config file that sets
up scripts with very particular packages. As a declarative system,
it is somewhat easier to repeat and manage, but more difficult to
experiment with. ``zc.buildout`` includes the ability to setup
non-Python systems (e.g., a database server or an Apache instance).
I *strongly* recommend anyone doing application development or
deployment use one of these tools.
Contributing
------------
Refer to the `contributing to pip`_ documentation - it applies equally to
virtualenv.
Virtualenv's release schedule is tied to pip's -- each time there's a new pip
release, there will be a new virtualenv release that bundles the new version of
pip.
.. _contributing to pip: http://www.pip-installer.org/en/latest/how-to-contribute.html
Running the tests
~~~~~~~~~~~~~~~~~
Virtualenv's test suite is small and not yet at all comprehensive, but we aim
to grow it.
The easy way to run tests (handles test dependencies automatically)::
$ python setup.py test
If you want to run only a selection of the tests, you'll need to run them
directly with nose instead. Create a virtualenv, and install required
packages::
$ pip install nose mock
Run nosetests::
$ nosetests
Or select just a single test file to run::
$ nosetests tests.test_virtualenv
Other Documentation and Links
-----------------------------
* James Gardner has written a tutorial on using `virtualenv with
Pylons
<http://wiki.pylonshq.com/display/pylonscookbook/Using+a+Virtualenv+Sandbox>`_.
* `Blog announcement
<http://blog.ianbicking.org/2007/10/10/workingenv-is-dead-long-live-virtualenv/>`_.
* Doug Hellmann wrote a description of his `command-line work flow
using virtualenv (virtualenvwrapper)
<http://www.doughellmann.com/articles/CompletelyDifferent-2008-05-virtualenvwrapper/index.html>`_
including some handy scripts to make working with multiple
environments easier. He also wrote `an example of using virtualenv
to try IPython
<http://www.doughellmann.com/articles/CompletelyDifferent-2008-02-ipython-and-virtualenv/index.html>`_.
* Chris Perkins created a `showmedo video including virtualenv
<http://showmedo.com/videos/video?name=2910000&fromSeriesID=291>`_.
* `Using virtualenv with mod_wsgi
<http://code.google.com/p/modwsgi/wiki/VirtualEnvironments>`_.
* `virtualenv commands
<http://thisismedium.com/tech/extending-virtualenv/>`_ for some more
workflow-related tools around virtualenv.
Changes & News
--------------
Next release (1.7) schedule
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Beta release mid-July 2011, final release early August.
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 intepreter (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
Jucovy.
* Added --never-download and --search-dir options. Thanks Ethan Jucovy.
1.6
~~~
* 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.
1.5.2
~~~~~
* Moved main repository to Github: https://github.com/pypa/virtualenv
* 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 https://github.com/pypa/virtualenv
1.5.1
~~~~~
* Added ``_weakrefset`` requirement for Python 2.7.1.
* Fixed Windows regression in 1.5
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.
1.4.9
~~~~~
* Include pip 0.7.2
1.4.8
~~~~~
* Fix for Mac OS X Framework builds that use
``--universal-archs=intel``
* Fix ``activate_this.py`` on Windows.
* Allow ``$PYTHONHOME`` to be set, so long as you use ``source
bin/activate`` it will get unset; if you leave it set and do not
activate the environment it will still break the environment.
* Include pip 0.7.1
1.4.7
~~~~~
* Include pip 0.7
1.4.6
~~~~~
* Allow ``activate.sh`` to skip updating the prompt (by setting
``$VIRTUAL_ENV_DISABLE_PROMPT``).
1.4.5
~~~~~
* Include pip 0.6.3
* Fix ``activate.bat`` and ``deactivate.bat`` under Windows when
``PATH`` contained a parenthesis
1.4.4
~~~~~
* Include pip 0.6.2 and Distribute 0.6.10
* Create the ``virtualenv`` script even when Setuptools isn't
installed
* Fix problem with ``virtualenv --relocate`` when ``bin/`` has
subdirectories (e.g., ``bin/.svn/``); from Alan Franzoni.
* If you set ``$VIRTUALENV_USE_DISTRIBUTE`` then virtualenv will use
Distribute by default (so you don't have to remember to use
``--distribute``).
1.4.3
~~~~~
* Include pip 0.6.1
1.4.2
~~~~~
* Fix pip installation on Windows
* Fix use of stand-alone ``virtualenv.py`` (and boot scripts)
* Exclude ~/.local (user site-packages) from environments when using
``--no-site-packages``
1.4.1
~~~~~
* Include pip 0.6
1.4
~~~
* Updated setuptools to 0.6c11
* Added the --distribute option
* Fixed packaging problem of support-files
1.3.4
~~~~~
* 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
``sys.path``.
* 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.
1.3.3
~~~~~
* 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 <https://bugs.launchpad.net/virtualenv/+bug/241581>`_
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
<https://bugs.launchpad.net/virtualenv/+bug/340050>`_ picking up
some ``.so`` libraries in ``/usr/local``.
1.3.2
~~~~~
* 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 <./index.html#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``
1.3.1
~~~~~
* Real Python 2.6 compatibility. Backported the Python 2.6 updates to
``site.py``, including `user directories
<http://docs.python.org/dev/whatsnew/2.6.html#pep-370-per-user-site-packages-directory>`_
(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
jython-complete.jar.
1.3
~~~
* 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/activate_this.py``, a file you can use like
``execfile("path_to/activate_this.py",
dict(__file__="path_to/activate_this.py"))`` -- this will activate
the environment in place, similar to what `the mod_wsgi example
does <http://code.google.com/p/modwsgi/wiki/VirtualEnvironments>`_.
* 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.
1.2
~~~
* 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).
1.1.1
~~~~~
* Added support for Jython 2.5.
1.1
~~~
* 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 ez_setup.py in ``/tmp``
* Copy or symlink over the ``include`` directory so that packages will
more consistently compile.
1.0
~~~
* 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.
0.9.2
~~~~~
* 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
``bin/python``).
* Fixed an issue with Mac Framework Python builds, and absolute paths
(from Ronald Oussoren).
0.9.1
~~~~~
* Improve ability to create a virtualenv from inside a virtualenv.
* Fix a little bug in ``bin/activate``.
* Actually get ``distutils.cfg`` to work reliably.
0.9
~~~
* 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
creation.
* Fix a problem creating a ``lib64/`` directory.
* Should work on MacOSX Framework builds (the default Python
installations on Mac). Thanks to Ronald Oussoren.
0.8.4
~~~~~
* Windows installs would sometimes give errors about ``sys.prefix`` that
were inaccurate.
* Slightly prettier output.
0.8.3
~~~~~
* Added support for Windows.
0.8.2
~~~~~
* 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.
0.8.1
~~~~~
Fixed packaging of the library.
0.8
~~~
Initial release. Everything is changed and new!
Keywords: setuptools deployment installation distutils
Platform: UNKNOWN
Classifier: Development Status :: 4 - Beta
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 2.4
Classifier: Programming Language :: Python :: 2.5
Classifier: Programming Language :: Python :: 2.6
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.1
Classifier: Programming Language :: Python :: 3.2
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