Switch from oslosphinx to openstackdocstheme

That's what the OpenStack community is using today. Also with newer
Sphinx versions, the current approach does no longer build.

Change-Id: Iab9f72bb146e8dd36de7fa868b41801e0c97e2ea

doc/source/conf.py

@@ -21,7 +21,7 @@ sys.path.insert(0, os.path.abspath('../..'))
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
     'sphinx.ext.autodoc',
-    'oslosphinx'
+    'openstackdocstheme'
 ]
 
 # autodoc generation is a bit aggressive and a nuisance when doing heavy
@@ -55,6 +55,7 @@ pygments_style = 'sphinx'
 # html_theme_path = ["."]
 # html_theme = '_theme'
 # html_static_path = ['static']
+html_theme = 'openstackdocs'
 
 # Output file base name for HTML help builder.
 htmlhelp_basename = '%sdoc' % project
@@ -71,3 +72,6 @@ latex_documents = [
 
 # Example configuration for intersphinx: refer to the Python standard library.
 #intersphinx_mapping = {'http://docs.python.org/': None}
+
+# openstackdocstheme options
+repository_name = 'openstack/python-dracclient'

test-requirements.txt

@@ -7,5 +7,6 @@ doc8
 hacking>=1.1.0,<1.2.0 # Apache-2.0
 mock>=2.0
 requests-mock>=1.0
-sphinx>=1.2.1,!=1.3b1,<1.3
-oslosphinx>=2.5.0,!=3.4.0
+sphinx!=1.6.6,!=1.6.7,<2.0.0;python_version=='2.7'  # BSD
+sphinx!=1.6.6,!=1.6.7,!=2.1.0;python_version>='3.4'  # BSD
+openstackdocstheme  # Apache-2.0

tox.ini

@@ -25,8 +25,9 @@ commands =
 deps =
   -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/master/upper-constraints.txt}
   -r{toxinidir}/requirements.txt
-  -r{toxinidir}/doc/requirements.txt
-commands = python setup.py build_sphinx
+  -r{toxinidir}/test-requirements.txt
+commands =
+  sphinx-build -b html doc/source doc/build/html
 
 [flake8]
 max-complexity=15