Follow the new PTI for document build

For compliance with the Project Testing Interface as described in:
https://governance.openstack.org/tc/reference/project-testing-interface.html
http://lists.openstack.org/pipermail/openstack-dev/2017-December/125710.html
http://lists.openstack.org/pipermail/openstack-dev/2018-March/128594.html

Co-Authored-By: Nguyen Hai <nguyentrihai93@gmail.com>
Change-Id: I585a2fb8cf6450fb0a22808ce954bdf49464da04

doc/requirements.txt

@@ -0,0 +1,3 @@
+sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
+openstackdocstheme>=1.18.1 # Apache-2.0
+reno>=2.5.0 # Apache-2.0

doc/source/conf.py

@@ -36,9 +36,7 @@ sys.path.insert(0, os.path.abspath('../..'))
 # Add any Sphinx extension module names here, as strings.
 # They can be extensions coming with Sphinx (named 'sphinx.ext.*')
 # or your custom ones.
-extensions = ['sphinx.ext.autodoc',
+extensions = ['openstackdocstheme']
-              'openstackdocstheme',
-              ]
 
 # The suffix of source filenames.
 source_suffix = '.rst'

doc/source/index.rst

@@ -26,5 +26,4 @@ Indices and tables
 ==================
 
 * :ref:`genindex`
-* :ref:`modindex`
 * :ref:`search`

releasenotes/source/index.rst

@@ -3,7 +3,7 @@
 ============================================
 
 .. toctree::
-   :maxdepth: 1
+   :maxdepth: 2
 
    unreleased
    queens

setup.cfg

@@ -21,12 +21,3 @@ classifier =
 [files]
 packages =
     congress_dashboard
-
-[pbr]
-autodoc_index_modules = True
-warnerrors = True
-
-[build_sphinx]
-all_files = 1
-build-dir = doc/build
-source-dir = doc/source

test-requirements.txt

@@ -13,10 +13,5 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 
-# Docs Requirements
-openstackdocstheme>=1.18.1 # Apache-2.0
-reno>=2.5.0 # Apache-2.0
-docutils>=0.11 # OSI-Approved Open Source, Public Domain
-
 # Include horizon as test requirement
 http://tarballs.openstack.org/horizon/horizon-master.tar.gz#egg=horizon

tox.ini

@@ -30,9 +30,12 @@ commands =
 
 [testenv:docs]
 setenv = DJANGO_SETTINGS_MODULE=congress_dashboard.test.settings
-commands = python setup.py build_sphinx
+deps = -r{toxinidir}/doc/requirements.txt
+commands =
+  sphinx-build -W -b html doc/source doc/build/html
 
 [testenv:releasenotes]
+deps = -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [flake8]