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

Remove [build_sphinx] section as described in:
http://lists.openstack.org/pipermail/openstack-dev/2018-March/128594.html

This patch also changes minor things in doc.

Change-Id: Ib1c525d6a2f7e5477539155bfc3050b1905aad3e

doc/requirements.txt

@@ -0,0 +1,5 @@
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
+openstackdocstheme>=1.18.1 # Apache-2.0
+sphinx!=1.6.6,>=1.6.2 # BSD

doc/source/index.rst

@@ -5,15 +5,17 @@ This is a client for OpenStack Searchlight API. There's a Python API
 (the :mod:`searchlightclient` module), and a command-line script
 (installed as :program:`openstack`).
 
-Contents:
+Contents
+--------
 
 .. toctree::
    :maxdepth: 2
 
    contribute/index
 
+
 Man Page
-========
+--------
 
 .. toctree::
    :maxdepth: 1

setup.cfg

@@ -35,15 +35,6 @@ openstack.search.v1 =
 setup-hooks =
     pbr.hooks.setup_hook
 
-[build_sphinx]
-source-dir = doc/source
-build-dir = doc/build
-all_files = 1
-warning-is-error = 1
-
-[upload_sphinx]
-upload-dir = doc/build/html
-
 [wheel]
 universal = 1
 

test-requirements.txt

@@ -7,7 +7,5 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0.0 # BSD
-openstackdocstheme>=1.18.1 # Apache-2.0
-sphinx!=1.6.6,>=1.6.2 # BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT

tox.ini

@@ -38,8 +38,8 @@ passenv = OS_*
 commands = python setup.py testr --coverage --testr-args='{posargs}'
 
 [testenv:docs]
-commands=
-    python setup.py build_sphinx
+deps = -r{toxinidir}/doc/requirements.txt
+commands = sphinx-build -b html doc/source doc/build/html
 
 [flake8]
 ignore = E123,E126,E128,E241,E265,E713,H202,H405,H238