Create doc/requirements.txt

For compliance with the Project Testing Interface as described in:

https://governance.openstack.org/tc/reference/project-testing-interface.html

Refer to:

http://lists.openstack.org/pipermail/openstack-dev/2017-November/124815.html

Change-Id: Iaa1530f19049883fc9fbce66f1fcc82ded559a07

doc/requirements.txt

@@ -0,0 +1,10 @@
+# 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.
+
+# These are needed for docs generation
+openstackdocstheme>=1.17.0 # Apache-2.0
+sphinx>=1.6.2 # BSD
+reno>=2.5.0 # Apache-2.0
+lxml!=3.7.0,>=3.4.1 # BSD
+fixtures>=3.0.0 # Apache-2.0/BSD

test-requirements.txt

@@ -11,11 +11,8 @@ keyring>=5.5.1 # MIT/PSF
 lxml!=3.7.0,>=3.4.1 # BSD
 mock>=2.0.0 # BSD
 oauthlib>=0.6.0 # BSD
-openstackdocstheme>=1.17.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
-reno>=2.5.0 # Apache-2.0
 requests-mock>=1.1.0 # Apache-2.0
-sphinx>=1.6.2 # BSD
 tempest>=17.1.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testresources>=2.0.0 # Apache-2.0/BSD

tox.ini

@@ -55,11 +55,12 @@ show-source = True
 exclude = .venv,.tox,dist,doc,*egg,build
 
 [testenv:docs]
-commands=
+commands = python setup.py build_sphinx
-    python setup.py build_sphinx
+deps = -r{toxinidir}/doc/requirements.txt
 
 [testenv:releasenotes]
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
+deps = -r{toxinidir}/doc/requirements.txt
 
 [hacking]
 import_exceptions =