PDF documentation build

Change-Id: Ic4d3fe2f5feef6e78b84831683f1826af16eec9e
Story: 2006099
Task: 35132

doc/source/conf.py

@@ -207,10 +207,10 @@ html_last_updated_fmt = '%Y-%m-%d %H:%M'
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author,
 # documentclass [howto/manual]).
-# latex_documents = [
-#     ('index', 'NeutronLib.tex', u'Neutron Library Documentation',
-#      u'Neutron development team', 'manual'),
-# ]
+latex_documents = [
+    ('index', 'doc-neutron-lib.tex', u'Neutron Library Documentation',
+     u'Neutron development team', 'manual'),
+]
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
@@ -229,6 +229,13 @@ html_last_updated_fmt = '%Y-%m-%d %H:%M'
 # If false, no module index is generated.
 #latex_use_modindex = True
 
+latex_elements = {
+    'makeindex': '',
+    'printindex': '',
+    'preamble': r'\setcounter{tocdepth}{3}',
+}
+
+
 # -- Options for openstackdocstheme -------------------------------------------
 repository_name = 'openstack/neutron-lib'
 bug_project = 'neutron'
@@ -236,7 +243,7 @@ bug_tag = 'doc'
 
 linkcheck_anchors_ignore = [
     # skip gerrit anchors
-    '\/q\/.*',
-    'q\,.*',
-    '\/c\/.*'
+    r'\/q\/.*',
+    r'q\,.*',
+    r'\/c\/.*'
 ]

doc/source/index.rst

@@ -45,6 +45,8 @@ Enjoy!
    user/index
    contributor/index
 
+.. only:: html
+
    .. toctree::
       :maxdepth: 1
 

tox.ini

@@ -57,6 +57,16 @@ 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:api-ref]
 basepython = python3
 whitelist_externals = rm