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remove Python 2 from docs

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David Lord 2020-04-03 11:58:16 -07:00
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docs/installation.rst
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@ -3,11 +3,13 @@
Installation
============
Python Version
--------------
We recommend using the latest version of Python 3. Flask supports Python 3.5
and newer, Python 2.7, and PyPy.
We recommend using the latest version of Python. Flask supports Python
3.6 and newer.
Dependencies
------------
@ -31,6 +33,7 @@ These distributions will be installed automatically when installing Flask.
.. _ItsDangerous: https://palletsprojects.com/p/itsdangerous/
.. _Click: https://palletsprojects.com/p/click/
Optional dependencies
~~~~~~~~~~~~~~~~~~~~~
@ -51,6 +54,7 @@ use them if you install them.
.. _python-dotenv: https://github.com/theskumar/python-dotenv#readme
.. _watchdog: https://pythonhosted.org/watchdog/
Virtual environments
--------------------
@ -66,13 +70,9 @@ Virtual environments are independent groups of Python libraries, one for each
project. Packages installed for one project will not affect other projects or
the operating system's packages.
Python 3 comes bundled with the :mod:`venv` module to create virtual
environments. If you're using a modern version of Python, you can continue on
to the next section.
Python comes bundled with the :mod:`venv` module to create virtual
environments.
If you're using Python 2, see :ref:`install-install-virtualenv` first.
.. _install-create-env:
Create an environment
~~~~~~~~~~~~~~~~~~~~~
@ -91,18 +91,6 @@ On Windows:
$ py -3 -m venv venv
If you needed to install virtualenv because you are using Python 2, use
the following command instead:
.. code-block:: sh
$ python2 -m virtualenv venv
On Windows:
.. code-block:: bat
> \Python27\Scripts\virtualenv.exe venv
.. _install-activate-env:
@ -121,12 +109,15 @@ On Windows:
> venv\Scripts\activate
Your shell prompt will change to show the name of the activated environment.
Your shell prompt will change to show the name of the activated
environment.
Install Flask
-------------
Within the activated environment, use the following command to install Flask:
Within the activated environment, use the following command to install
Flask:
.. code-block:: sh
@ -134,53 +125,3 @@ Within the activated environment, use the following command to install Flask:
Flask is now installed. Check out the :doc:`/quickstart` or go to the
:doc:`Documentation Overview </index>`.
Living on the edge
~~~~~~~~~~~~~~~~~~
If you want to work with the latest Flask code before it's released, install or
update the code from the master branch:
.. code-block:: sh
$ pip install -U https://github.com/pallets/flask/archive/master.tar.gz
.. _install-install-virtualenv:
Install virtualenv
------------------
If you are using Python 2, the venv module is not available. Instead,
install `virtualenv`_.
On Linux, virtualenv is provided by your package manager:
.. code-block:: sh
# Debian, Ubuntu
$ sudo apt-get install python-virtualenv
# CentOS, Fedora
$ sudo yum install python-virtualenv
# Arch
$ sudo pacman -S python-virtualenv
If you are on Mac OS X or Windows, download `get-pip.py`_, then:
.. code-block:: sh
$ sudo python2 Downloads/get-pip.py
$ sudo python2 -m pip install virtualenv
On Windows, as an administrator:
.. code-block:: bat
> \Python27\python.exe Downloads\get-pip.py
> \Python27\python.exe -m pip install virtualenv
Now you can return above and :ref:`install-create-env`.
.. _virtualenv: https://virtualenv.pypa.io/
.. _get-pip.py: https://bootstrap.pypa.io/get-pip.py