Generate module docs

The module docs were not being generated.

Co-Authored-By: David Stanek <dstanek@dstanek.com>

Change-Id: I26e1d9a3d407474eb6b016f3ada4c495b5043460
Closes-Bug: #1278662

doc/ext/apidoc.py

@@ -0,0 +1,46 @@
+# Copyright 2014 OpenStack Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+# NOTE(blk-u): Uncomment the [pbr] section in setup.cfg and remove this
+# Sphinx extension when https://launchpad.net/bugs/1260495 is fixed.
+
+import os.path as path
+
+from sphinx import apidoc
+
+
+# NOTE(blk-u): pbr will run Sphinx multiple times when it generates
+# documentation. Once for each builder. To run this extension we use the
+# 'builder-inited' hook that fires at the beginning of a Sphinx build.
+# We use ``run_already`` to make sure apidocs are only generated once
+# even if Sphinx is run multiple times.
+run_already = False
+
+
+def run_apidoc(app):
+    global run_already
+    if run_already:
+        return
+    run_already = True
+
+    package_dir = path.abspath(path.join(app.srcdir, '..', '..',
+                                         'keystoneclient'))
+    source_dir = path.join(app.srcdir, 'api')
+    apidoc.main(['apidoc', package_dir, '-f',
+                 '-H', 'keystoneclient Modules',
+                 '-o', source_dir])
+
+
+def setup(app):
+    app.connect('builder-inited', run_apidoc)

doc/source/conf.py

@@ -23,6 +23,12 @@ import pbr.version
 sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__),
                 '..', '..')))
 
+# NOTE(blk-u): Path for our Sphinx extension, remove when
+# https://launchpad.net/bugs/1260495 is fixed.
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__),
+                '..')))
+
+
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
@@ -36,7 +42,12 @@ sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__),
 extensions = ['sphinx.ext.autodoc',
               'sphinx.ext.todo',
               'sphinx.ext.coverage',
-              'sphinx.ext.intersphinx']
+              'sphinx.ext.intersphinx',
+              # NOTE(blk-u): Uncomment the [pbr] section in setup.cfg and
+              # remove this Sphinx extension when
+              # https://launchpad.net/bugs/1260495 is fixed.
+              'ext.apidoc',
+             ]
 
 todo_include_todos = True
 

tox.ini

@@ -39,3 +39,8 @@ commands =
 ignore = F821,H304,H803
 show-source = True
 exclude = .venv,.tox,dist,doc,*egg,build
+
+[testenv:docs]
+commands=
+    python setup.py build_sphinx
+