PDF documentation build

Change-Id: I0abc5df1dfde23756bc2fd78631141ba685dc6fe
Story: 2006099
Task: 35139

doc/source/conf.py

@@ -49,6 +49,25 @@ html_theme = 'openstackdocs'
 # Output file base name for HTML help builder.
 htmlhelp_basename = 'neutronclientdoc'
 
+# -- Options for LaTeX output ------------------------------------------------
+
+latex_documents = [
+    ('index', 'doc-python-neutronclient.tex',
+     u'python-neutronclient Documentation',
+     u'Neutron Contributors', 'manual'),
+]
+
+# Disable usage of xindy https://bugzilla.redhat.com/show_bug.cgi?id=1643664
+latex_use_xindy = False
+
+latex_domain_indices = False
+
+latex_elements = {
+    'makeindex': '',
+    'printindex': '',
+    'preamble': r'\setcounter{tocdepth}{5}',
+}
+
 # -- Options for cliff.sphinxext plugin ---------------------------------------
 
 autoprogram_cliff_application = 'openstack'

tox.ini

@@ -58,6 +58,16 @@ basepython = python3
 deps = -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -W -b html doc/source doc/build/html
 
+[testenv:pdf-docs]
+basepython = python3
+envdir = {toxworkdir}/docs
+deps = {[testenv:docs]deps}
+whitelist_externals =
+  make
+commands =
+  sphinx-build -W -b latex doc/source doc/build/pdf
+  make -C doc/build/pdf
+
 [testenv:releasenotes]
 basepython = python3
 deps = -r{toxinidir}/doc/requirements.txt