Drop py27/py35

Drop py27 and py35 testing, for Ussuri those are dropped already.
Update for current django 22 testing.
Remove py27 cruft.

Change-Id: Icde1a7be481a56ca2d0c64a651ad7d2a7f895441

playbooks/checkbuild/post.yaml

@@ -7,6 +7,6 @@
 - hosts: all
   roles:
     - role: fetch-tox-output
-      tox_envlist: pep8,py27-local,py35-local,py35dj20-local,eslint,karma,karma-local,docs-local,releasenotes
+      tox_envlist: pep8,py36-local,py36dj22-local,eslint,karma,karma-local,docs-local,releasenotes
       zuul_work_dir: "{{ zuul.project.src_dir }}/.tox/checkbuild/cafe-ui"
 

{{cookiecutter.repo_name}}/setup.cfg

@@ -6,6 +6,7 @@ description-file =
 author = OpenStack
 author-email = openstack-discuss@lists.openstack.org
 home-page = http://www.openstack.org/
+python-requires = >=3.6
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology
@@ -13,9 +14,9 @@ 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 :: Only
+    Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: 3.6
 
 [files]

{{cookiecutter.repo_name}}/setup.py

@@ -11,17 +11,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
 import setuptools
 
-# In python < 2.7.4, a lazy loading of package `pbr` will break
-# setuptools if some other modules registered functions in `atexit`.
-# solution from: http://bugs.python.org/issue15881#msg170215
-try:
-    import multiprocessing  # noqa
-except ImportError:
-    pass
-
 setuptools.setup(
     setup_requires=['pbr>=2.0.0'],
     pbr=True)

{{cookiecutter.repo_name}}/tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = pep8,py27-local,py36-local,py3-dj111-local,eslint,karma-local,docs-local,releasenotes
+envlist = pep8,py36-local,py3-dj20-local,eslint,karma-local,docs-local,releasenotes
 minversion = 2.3.2
 skipsdist = True
 
@@ -45,32 +45,23 @@ commands =
   coverage xml --omit '.tox/cover/*' -o 'cover/coverage.xml'
   coverage html --omit '.tox/cover/*' -d 'cover/htmlcov'
 
-# NOTE(shu-mutow): On CI infra, horizon will be installed
-# according to job setting. but on local, we need to install
-# horizon from master branch.
-[testenv:py27-local]
-basepython = python2.7
-commands =
-  {[testenv:hz-local]commands}
-  {[testenv]commands}
-
 [testenv:py36-local]
 basepython = python3.6
 commands =
   {[testenv:hz-local]commands}
   {[testenv]commands}
 
-[testenv:py3-dj111]
+[testenv:py3-dj22]
 basepython = python3
 commands =
-  pip install django>=1.11,<2
+  pip install django>=2.2,<3
   {[testenv]commands}
 
-[testenv:py3-dj111-local]
+[testenv:py3-dj22-local]
 basepython = python3
 commands =
   {[testenv:hz-local]commands}
-  pip install django>=1.11,<2
+  pip install django>=2.2,<3
   {[testenv]commands}
 
 [testenv:eslint]