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Getting started
===============

Setting up your project and development environment
---------------------------------------------------

In a new directory, create a file called ``README.rst`` with the following
content.

.. code-block:: rst
   :caption: README.rst

   Lumache
   =======

   **Lumache** (/lu'make/) is a Python library for cooks and food lovers that
   creates recipes mixing random ingredients.

It is a good moment to create a Python virtual environment and install the
required tools.  For that, open a command line terminal, ``cd`` into the
directory you just created, and run the following commands:

.. code-block:: console

   $ python -m venv .venv
   $ source .venv/bin/activate
   (.venv) $ python -m pip install sphinx

.. note::

   The installation method used above is described in more detail in
   :ref:`install-pypi`.  For the rest of this tutorial, the instructions will
   assume a Python virtual environment.

If you executed these instructions correctly, you should have the Sphinx command
line tools available.  You can do a basic verification running this command:

.. code-block:: console

   (.venv) $ sphinx-build --version
   sphinx-build 4.0.2

If you see a similar output, you are on the right path!

Creating the documentation layout
---------------------------------

Then from the command line, run the following command:

.. code-block:: console

   (.venv) $ sphinx-quickstart docs

This will present to you a series of questions required to create the basic
directory and configuration layout for your project inside the ``docs`` folder.
To proceed, answer each question as follows:

- ``> Separate source and build directories (y/n) [n]``: Write "``y``" (without
  quotes) and press :kbd:`Enter`.
- ``> Project name``: Write "``Lumache``" (without quotes) and press
  :kbd:`Enter`.
- ``> Author name(s)``: Write "``Graziella``" (without quotes) and press
  :kbd:`Enter`.
- ``> Project release []``: Write "``0.1``" (without quotes) and press
  :kbd:`Enter`.
- ``> Project language [en]``: Leave it empty (the default, English) and press
  :kbd:`Enter`.

After the last question, you will see the new ``docs`` directory with the
following content.

.. code-block:: text

   docs
   ├── build
   ├── make.bat
   ├── Makefile
   └── source
      ├── conf.py
      ├── index.rst
      ├── _static
      └── _templates

The purpose of each of these files is:

``build/``
  An empty directory (for now) that will hold the rendered documentation.

``make.bat`` and ``Makefile``
  Convenience scripts to simplify some common Sphinx operations, such as
  rendering the content.

``source/conf.py``
  A Python script holding the configuration of the Sphinx project.  It contains
  the project name and release you specified to ``sphinx-quickstart``, as well
  as some extra configuration keys.

``source/index.rst``
  The :term:`root document` of the project, which serves as welcome page and
  contains the root of the "table of contents tree" (or *toctree*).

Thanks to this bootstrapping step, you already have everything needed to render
the documentation as HTML for the first time.  To do that, run this command:

.. code-block:: console

   (.venv) $ sphinx-build -M html docs/source/ docs/build/

And finally, open ``docs/build/html/index.html`` in your browser.  You should see
something like this:

.. figure:: /_static/tutorial/lumache-first-light.png
   :width: 80%
   :align: center
   :alt: Freshly created documentation of Lumache

   Freshly created documentation of Lumache

There we go! You created your first HTML documentation using Sphinx.
Now you can start :doc:`customizing it </tutorial/first-steps>`.