OpenStack is dropping the py2.7 support in ussuri cycle.

octavia-dashboard is ready with python 3 and ok to drop the
python 2.7 support.

Complete discussion & schedule can be found in
- http://lists.openstack.org/pipermail/openstack-discuss/2019-October/010142.html
- https://etherpad.openstack.org/p/drop-python2-support

Ussuri Communtiy-wide goal - https://review.opendev.org/#/c/691178/

Change-Id: I1a7a75ddb132c8e2f41f1e47d3ebca15cb86f461

doc/requirements.txt

@@ -2,7 +2,6 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 openstackdocstheme>=1.20.0 # Apache-2.0
-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,!=2.1.0;python_version>='3.4'  # BSD
 sphinxcontrib-apidoc>=0.2.1 # BSD
 

octavia_dashboard/karma.conf.js

@@ -21,7 +21,7 @@ var path = require('path');
 
 module.exports = function (config) {
   // This tox venv is setup in the post-install npm step
-  var toxPath = '../.tox/py27/lib/python2.7/site-packages/';
+  var toxPath = '../.tox/karma/lib/python3.6//site-packages/';
 
   config.set({
     preprocessors: {

octavia_dashboard/post_install.sh

@@ -10,4 +10,4 @@ then
 fi
 
 echo "Creating a tox env which will contain xStatic libraries, horizon, and openstack_dashboard"
-tox -epy27 --notest;
+tox -ekarma --notest;

releasenotes/notes/drop-py-2-7-f3372b5c26171513.yaml

@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    Python 2.7 support has been dropped. Last release of octavia-dashboard
+    to support py2.7 is OpenStack Train. The minimum version of Python now
+    supported by octavia-dashboard is Python 3.6.

setup.cfg

@@ -13,8 +13,6 @@ classifier =
     License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
     Programming Language :: Python
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7

tox.ini

@@ -1,9 +1,10 @@
 [tox]
 minversion = 2.5.0
-envlist = py27,py37,py3-{dj111,dj22},pep8,eslint,karma
+envlist = py3,py3-{dj111,dj22},pep8,eslint,karma
 skipsdist = True
 
 [testenv]
+basepython = python3
 usedevelop = True
 install_command = pip install {opts} {packages}
 setenv =
@@ -21,15 +22,12 @@ commands =
    python manage.py test octavia_dashboard --settings=octavia_dashboard.tests.settings
 
 [testenv:pep8]
-basepython = python3
 commands = flake8
 
 [testenv:venv]
-basepython = python3
 commands = {posargs}
 
 [testenv:cover]
-basepython = python3
 # npm must be installed on the system, for example
 # sudo apt-get install npm
 # sudo yum install npm (on RHEL/CentOS, enable EPEL repository)
@@ -37,7 +35,6 @@ commands = npm install
            npm test
 
 [testenv:docs]
-basepython = python3
 whitelist_externals = rm
 deps =
     -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
@@ -48,7 +45,6 @@ commands =
   sphinx-build -W -b html doc/source doc/build/html
 
 [testenv:pdf-docs]
-basepython = python3
 deps = {[testenv:docs]deps}
 whitelist_externals =
   make
@@ -59,7 +55,6 @@ commands =
   make -C doc/build/pdf
 
 [testenv:releasenotes]
-basepython = python3
 whitelist_externals = rm
 deps =
     -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
@@ -70,18 +65,15 @@ commands =
     sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:debug]
-basepython = python3
 commands = oslo_debug_helper {posargs}
 
 [testenv:eslint]
-basepython = python3
 # npm must be installed on the system, for example
 # sudo apt-get install npm
 commands = npm install
            npm run lint
 
 [testenv:karma]
-basepython = python3
 # npm must be installed on the system, for example
 # sudo apt-get install npm
 commands = npm install
@@ -97,7 +89,6 @@ builtins = _
 exclude=.venv,.git,.tox,.tmp,dist,doc,*lib/python*,*egg,build,node_modules
 
 [testenv:lower-constraints]
-basepython = python3
 deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt

zuul.d/projects.yaml

@@ -4,7 +4,6 @@
       - horizon-non-primary-django-jobs
       - horizon-nodejs10-jobs
       - openstack-lower-constraints-jobs
-      - openstack-python-jobs-horizon
       - openstack-python3-ussuri-jobs-horizon
       - publish-openstack-docs-pti
       - release-notes-jobs-python3