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.. _`Installation`: Installation ============ Python & OS Support ------------------- pip works with CPython versions 2.6, 2.7, 3.1, 3.2, 3.3, 3.4 and also pypy. pip works on Unix/Linux, OS X, and Windows. .. note:: Python 2.5 was supported through v1.3.1, and Python 2.4 was supported through v1.1. .. _`get-pip`: Install pip ----------- To install or upgrade pip, securely download `get-pip.py <https://bootstrap.pypa.io/get-pip.py>`_. [1]_ Then run the following (which may require administrator access):: python get-pip.py If `setuptools`_ (or `distribute`_) is not already installed, ``get-pip.py`` will install `setuptools`_ for you. [2]_ To upgrade an existing `setuptools`_ (or `distribute`_), run ``pip install -U setuptools`` [3]_ Upgrade pip ----------- On Linux or OS X: :: pip install -U pip On Windows [4]_: :: python -m pip install -U pip Using Package Managers ---------------------- On Linux, pip will generally be available for the system install of python using the system package manager, although often the latest version will be unavailable. On Debian and Ubuntu:: sudo apt-get install python-pip On Fedora:: sudo yum install python-pip ---- .. [1] "Secure" in this context means using a modern browser or a tool like `curl` that verifies SSL certificates when downloading from https URLs. .. [2] Beginning with pip v1.5.1, ``get-pip.py`` stopped requiring setuptools to be installed first. .. [3] Although using ``pip install --upgrade setuptools`` to upgrade from distribute to setuptools works in isolation, it's possible to get "ImportError: No module named setuptools" when using pip<1.4 to upgrade a package that depends on setuptools or distribute. See :doc:`here for details <distribute_setuptools>`. .. [4] https://github.com/pypa/pip/issues/1299 .. _setuptools: https://pypi.python.org/pypi/setuptools .. _distribute: https://pypi.python.org/pypi/distribute
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