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Diffstat (limited to 'docs/narr/install.rst')
| -rw-r--r-- | docs/narr/install.rst | 73 |
1 files changed, 60 insertions, 13 deletions
diff --git a/docs/narr/install.rst b/docs/narr/install.rst index 7d96f4074..570cb2285 100644 --- a/docs/narr/install.rst +++ b/docs/narr/install.rst @@ -21,9 +21,8 @@ the following sections. .. sidebar:: Python Versions - As of this writing, :app:`Pyramid` has been tested under Python 2.7, - Python 3.3, Python 3.4, Python 3.5, PyPy, and PyPy3. :app:`Pyramid` does - not run under any version of Python before 2.7. + As of this writing, :app:`Pyramid` is tested against Python 2.7, + Python 3.4, Python 3.5, PyPy. :app:`Pyramid` is known to run on all popular UNIX-like systems such as Linux, Mac OS X, and FreeBSD, as well as on Windows platforms. It is also known to @@ -92,8 +91,24 @@ If your Windows system doesn't have a Python interpreter, you'll need to install it by downloading a Python 3.x-series interpreter executable from `python.org's download section <https://www.python.org/downloads/>`_ (the files labeled "Windows Installer"). Once you've downloaded it, double click on the -executable and accept the defaults during the installation process. You may -also need to download and install the Python for Windows extensions. +executable, and select appropriate options during the installation process. To +standardize this documentation, we used the GUI installer and selected the +following options: + +- Screen 1: Install Python 3.x.x (32- or 64-bit) + - Check "Install launcher for all users (recommended)" + - Check "Add Python 3.x to PATH" + - Click "Customize installation" +- Screen 2: Optional Features + - Check all options + - Click "Next" +- Screen 3: Advanced Options + - Check all options + - Customize install location: "C:\\Python3x", where "x" is the minor + version of Python + - Click "Next" + +You might also need to download and install the Python for Windows extensions. .. seealso:: See the official Python documentation :ref:`Using Python on Windows <python:using-on-windows>` for full details. @@ -104,14 +119,19 @@ also need to download and install the Python for Windows extensions. directions. Make sure you get the proper 32- or 64-bit build and Python version. +.. seealso:: `Python launcher for Windows + <https://docs.python.org/3/using/windows.html#launcher>`_ provides a command + ``py`` that allows users to run any installed version of Python. + .. warning:: - After you install Python on Windows, you may need to add the ``C:\Python3x`` - directory to your environment's ``Path``, where ``x`` is the minor version - of installed Python, in order to make it possible to invoke Python from a - command prompt by typing ``python``. To do so, right click ``My Computer``, - select ``Properties`` --> ``Advanced Tab`` --> ``Environment Variables`` and - add that directory to the end of the ``Path`` environment variable. + After you install Python on Windows, you might need to add the + ``c:\Python3x`` directory to your environment's ``Path``, where ``x`` is the + minor version of installed Python, in order to make it possible to invoke + Python from a command prompt by typing ``python``. To do so, right click + ``My Computer``, select ``Properties`` --> ``Advanced Tab`` --> + ``Environment Variables``, and add that directory to the end of the ``Path`` + environment variable. .. seealso:: See `Configuring Python (on Windows) <https://docs.python.org/3/using/windows.html#configuring-python>`_ for @@ -171,6 +191,29 @@ After installing Python as described previously in :ref:`for-mac-os-x-users` or $ $VENV/bin/pip install "pyramid==\ |release|\ " +.. index:: + single: $VENV/bin/pip vs. source bin/activate + +.. _venv-bin-pip-vs-source-bin-activate: + +.. note:: Why use ``$VENV/bin/pip`` instead of ``source bin/activate``, then + ``pip``? + + ``$VENV/bin/pip`` clearly specifies that ``pip`` is run from within the + virtual environment and not at the system level. + + ``activate`` drops turds into the user's shell environment, leaving them + vulnerable to executing commands in the wrong context. ``deactivate`` might + not correctly restore previous shell environment variables. + + Although using ``source bin/activate``, then ``pip``, requires fewer key + strokes to issue commands once invoked, there are other things to consider. + Michael F. Lamb (datagrok) presents a summary in `Virtualenv's bin/activate + is Doing It Wrong <https://gist.github.com/datagrok/2199506>`_. + + Ultimately we prefer to keep things clear and simple, so we use + ``$VENV/bin/pip``. + .. index:: single: installing on Windows @@ -190,7 +233,8 @@ After installing Python as described previously in c:\> set VENV=c:\env # replace "x" with your minor version of Python 3 - c:\> c:\Python3x\Scripts\python3 -m venv %VENV% + c:\> c:\Python3x\python -m venv %VENV% + c:\> cd %VENV% You can either follow the use of the environment variable ``%VENV%``, or replace it with the root directory of the virtual environment. If you choose @@ -204,7 +248,10 @@ After installing Python as described previously in .. parsed-literal:: - c:\\env> %VENV%\\Scripts\\pip install "pyramid==\ |release|\ " + c:\\> %VENV%\\Scripts\\pip install "pyramid==\ |release|\ " + +.. note:: See the note above for :ref:`Why use $VENV/bin/pip instead of source + bin/activate, then pip <venv-bin-pip-vs-source-bin-activate>`. What Gets Installed |