From 569bf8541ba0d2a18590045abae6080708e66aba Mon Sep 17 00:00:00 2001
From: licanwei <li.canwei2@zte.com.cn>
Date: Tue, 17 Sep 2019 01:25:32 -0700
Subject: [PATCH] Build pdf docs

 Add a new pdf-docs environment to enable PDF build.

Change-Id: I8de5b3eb32532cd95b9ee50b982030147efad107
---
 doc/requirements.txt |  7 +++++++
 doc/source/conf.py   | 11 +++++++++++
 tox.ini              | 16 ++++++++++++++++
 3 files changed, 34 insertions(+)
 create mode 100644 doc/requirements.txt

diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 0000000..71d9dcd
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,7 @@
+# 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,!=1.6.7,>=1.6.5,<2.0.0;python_version=='2.7' # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.5;python_version>='3.4' # BSD
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 50ac8de..29baf79 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -77,5 +77,16 @@ latex_documents = [
      u'OpenStack Developers', '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}{3}',
+}
+
 # Example configuration for intersphinx: refer to the Python standard library.
 # intersphinx_mapping = {'http://docs.python.org/': None}
diff --git a/tox.ini b/tox.ini
index b762f47..7c91e26 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,8 +31,24 @@ commands = python setup.py test --coverage --testr-args='{posargs}'
 
 [testenv:docs]
 basepython = python3
+deps =
+  -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -r{toxinidir}/requirements.txt
+  -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 =
+  rm
+  make
+commands =
+  rm -rf doc/build/pdf
+  sphinx-build -W -b latex doc/source doc/build/pdf
+  make -C doc/build/pdf
+
 [testenv:releasenotes]
 basepython = python3
 commands =