168 lines
5.0 KiB
Plaintext
168 lines
5.0 KiB
Plaintext
..
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==============
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Downloading
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==============
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.. _`index page`: http://pypi.python.org/pypi/py/
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py.test/pylib installation info in a nutshell
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===================================================
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**Pythons**: 2.4, 2.5, 2.6, 3.0, 3.1, Jython-2.5.1, PyPy-1.1
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**Operating systems**: Linux, Windows, OSX, Unix
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**Requirements**: setuptools_ or Distribute_
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**Installers**: easy_install_ and pip_
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**Distribution names**:
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* PyPI name: ``py`` (see `index page`_ for versions)
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* redhat fedora: ``pylib``
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* debian: ``python-codespeak-lib``
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* gentoo: ``pylib``
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**Installed scripts**: see `bin`_ for which scripts are installed.
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.. _`bin`: bin.html
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Best practise: install tool and dependencies virtually
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===========================================================
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It is recommended to work with virtual environments
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(e.g. virtualenv_ or buildout_ based) and use easy_install_
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(or pip_) for installing py.test/pylib and any dependencies
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you need to run your tests. Local virtual Python environments
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(as opposed to system-wide "global" environments) make for a more
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reproducible and reliable test environment.
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.. _`virtualenv`: http://pypi.python.org/pypi/virtualenv
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.. _`buildout`: http://www.buildout.org/
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.. _pip: http://pypi.python.org/pypi/pip
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.. _`easy_install`:
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using easy_install (from setuptools or Distribute)
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===================================================
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Both `Distribute`_ and setuptools_ provide the ``easy_install``
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installation tool. While setuptools should work ok with
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Python2 interpreters, `Distribute`_ also works with Python3
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and it avoids some issues on Windows. In both cases you
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can open a command line window and then type::
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easy_install -U py
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to install the latest release of the py lib and py.test. The ``-U`` switch
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will trigger an upgrade if you already have an older version installed.
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If you now type::
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py.test --version
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you should see the version number and the import location of the tool.
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Maybe you want to head on with the `quickstart`_ now?
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.. _quickstart: test/quickstart.html
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Troubleshooting
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========================
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**On Linux**: If ``easy_install`` fails because it needs to run
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as the superuser you are trying to install things globally
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and need to put ``sudo`` in front of the command.
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**On Windows**: If "easy_install" or "py.test" are not found
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please see here: `How do i run a Python program under Windows?`_
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.. _`How do i run a Python program under Windows?`: http://www.python.org/doc/faq/windows/#how-do-i-run-a-python-program-under-windows
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.. _mercurial: http://mercurial.selenic.com/wiki/
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.. _`Distribute`:
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.. _`Distribute for installation`: http://pypi.python.org/pypi/distribute#installation-instructions
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.. _`distribute installation`: http://pypi.python.org/pypi/distribute
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.. _checkout:
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.. _tarball:
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Working from version control or a tarball
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=================================================
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To follow development or start experiments, checkout the
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complete code and documentation source with mercurial_::
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hg clone https://bitbucket.org/hpk42/py-trunk/
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Development takes place on the 'trunk' branch.
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You can also go to the python package index and
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download and unpack a TAR file::
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http://pypi.python.org/pypi/py/
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activating a checkout with setuptools
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--------------------------------------------
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With a working `Distribute`_ or setuptools_ installation you can type::
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python setup.py develop
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in order to work inline with the tools and the lib of your checkout.
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.. _`no-setuptools`:
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.. _`directly use a checkout`:
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directly use a checkout or tarball / avoid setuptools
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-------------------------------------------------------------
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Get a checkout_ or tarball_ and add paths to your environment variables:
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* ``PYTHONPATH`` needs to contain the root directory (where ``py`` resides)
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* ``PATH`` needs to contain ``ROOT/bin`` or ``ROOT\bin\win32`` respectively.
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There also are helper scripts that set the variables accordingly. On windows
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execute::
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# inside autoexec.bat or shell startup
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c:\\path\to\checkout\bin\env.cmd
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on linux/OSX add this to your shell initialization::
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# inside e.g. .bashrc
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eval `python ~/path/to/checkout/bin/env.py`
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both of which which will get you good settings. If you install
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the pylib this way you can easily ``hg pull && hg up`` or download
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a new tarball_ to follow the development tree.
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Note that the scripts manually added like this will look for
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py libs in the chain of parent directories of the current working dir.
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For example, if you have a layout like this::
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mypkg/
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subpkg1/
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tests/
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tests/
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py/
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issuing ``py.test subpkg1`` will use the py lib
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from that projects root directory. If in doubt over where
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the pylib comes from you can always do::
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py.test --version
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to see where py.test is imported from.
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.. _`command line scripts`: bin.html
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.. _contact: contact.html
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.. _`RPM`: http://translate.sourceforge.net/releases/testing/fedora/pylib-0.9.2-1.fc9.noarch.rpm
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.. _`setuptools`: http://pypi.python.org/pypi/setuptools
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