Generate PDF documentation

This commit adds a new tox target to build PDF documentation.
It's a part of community goal, see storyboard for more
information.

Story: 2006083
Task: 34856

doc/requirements.txt

@@ -7,3 +7,4 @@ sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7'  # BSD
 sphinx!=1.6.6,!=1.6.7,>=1.6.2;python_version>='3.4'  # BSD
 reno>=2.5.0 # Apache-2.0
 sphinxcontrib-httpdomain>=1.3.0 # BSD
+sphinxcontrib-svg2pdfconverter>=0.1.0 # BSD

doc/source/conf.py

@@ -24,6 +24,7 @@ extensions = [
     'sphinx.ext.autodoc',
     'openstackdocstheme',
     # 'sphinx.ext.intersphinx',
+    'sphinxcontrib.rsvgconverter',
 ]
 
 # autodoc generation is a bit aggressive and a nuisance when doing heavy
@@ -73,11 +74,22 @@ htmlhelp_basename = '%sdoc' % project
 # [howto/manual]).
 latex_documents = [
     ('index',
-     '%s.tex' % project,
+     'doc-heat-dashboard.tex',
-     u'%s Documentation' % project,
+     u'Heat Dashboard Documentation',
-     u'OpenStack Developers', 'manual'),
+     u'OpenStack Developers', 'manual', True),
 ]
 
+latex_domain_indices = False
+
+latex_elements = {
+    # Additional stuff for the LaTeX preamble.
+    # openany: Skip blank pages in generated PDFs
+    'extraclassoptions': 'openany,oneside',
+    'makeindex': '',
+    'printindex': '',
+    'preamble': r'\setcounter{tocdepth}{3}',
+}
+
 man_pages = [
     ('index', u'Heat Dashboard Documentation',
      'Documentation for Heat Dashboard plugin to Openstack\

tox.ini

@@ -61,6 +61,16 @@ deps = -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/
        -r{toxinidir}/doc/requirements.txt
 commands = python setup.py build_sphinx
 
+[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 = -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}