Resolve dependency issues

This is totally broken with the pip 20.3 resolver. Attempts to fix the
lower-constraints file manually didn't work out, so start specifying
only the direct dependencies here, relying on upper-constraints for the
given release to restrict everything else.

Two dependencies, python-subunit and testrepository, are removed as
these are no longer necessary. Another, hacking, is moved to 'tox.ini'
since we're not managing this via the u-c system and don't need this
here.

Change-Id: I4bdc0d422813ecee1566256ec237d34f200406ee
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>

lower-constraints.txt

@@ -1,90 +1,22 @@
-alabaster==0.7.10
-amqp==2.2.2
-appdirs==1.3.0
-Babel==2.5.3
-cachetools==2.0.1
-cffi==1.14.0
-contextlib2==0.5.5
-coverage==4.0
-debtcollector==1.19.0
-docutils==0.11
-dulwich==0.15.0
-enum-compat==0.0.2
-eventlet==0.20.0
-extras==1.0.0
-fasteners==0.14.1
-fixtures==3.0.0
-flake8==2.2.4
-future==0.16.0
-futurist==1.6.0
-greenlet==0.4.13
-hacking==0.10.2
-imagesize==0.7.1
-iso8601==0.1.12
-Jinja2==2.10
-keystoneauth1==3.4.0
-kombu==4.1.0
-linecache2==1.0.0
-MarkupSafe==1.1.1
-mccabe==0.2.1
-monotonic==1.4
-msgpack-python==0.4.0
-msgpack==0.5.6
+# from requirements.txt
+
+pbr==2.0.0
 netaddr==0.7.18
-netifaces==0.10.6
-openstackdocstheme==2.2.1
-os-client-config==1.28.0
 oslo.concurrency==3.20.0
 oslo.config==5.1.0
-oslo.context==2.20.0
-oslo.i18n==3.15.3
 oslo.log==3.30.0
-oslo.messaging==5.36.0
-oslo.middleware==3.35.0
+oslo.i18n==3.15.3
 oslo.privsep==1.23.0
-oslo.serialization==2.25.0
-oslo.service==1.30.0
-oslo.utils==3.36.0
 oslo.versionedobjects==1.28.0
+ovsdbapp==0.12.1
+pyroute2==0.5.2;sys_platform!='win32'
+stevedore==1.20.0
+debtcollector==1.19.0
+
+# from test-requirements.txt
+
+coverage==4.0
 oslotest==1.10.0
 ovs==2.9.2
-ovsdbapp==0.12.1
-Paste==2.0.3
-PasteDeploy==1.5.2
-pbr==2.0.0
-pep8==1.5.7
-pika-pool==0.1.3
-pika==0.11.2
-prettytable==0.7.2
-pycparser==2.18
-pyflakes==0.8.1
-Pygments==2.2.0
-pyinotify==0.9.6
-pyparsing==2.2.0
-pyroute2==0.5.2
-python-dateutil==2.7.0
-python-mimeparse==1.6.0
-python-subunit==1.0.0
-pytz==2018.3
-PyYAML==3.12
-reno==3.1.0
-repoze.lru==0.7
-requests==2.14.2
-requestsexceptions==1.2.0
-rfc3986==1.1.0
-Routes==2.4.1
-snowballstemmer==1.2.1
-Sphinx==2.0.0
-sphinxcontrib-websupport==1.0.1
-statsd==3.2.2
 stestr==1.0.0
-stevedore==1.20.0
-tenacity==4.9.0
-testrepository==0.0.18
 testscenarios==0.4
-testtools==2.2.0
-traceback2==1.4.0
-unittest2==1.1.0
-vine==1.1.4
-WebOb==1.7.4
-wrapt==1.10.11

test-requirements.txt

@@ -2,11 +2,8 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking>=3.0.1,<3.1.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
-python-subunit>=1.0.0 # Apache-2.0/BSD
 oslotest>=1.10.0 # Apache-2.0
 ovs>=2.9.2
 stestr>=1.0.0 # Apache-2.0
-testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD

tox.ini

@@ -73,6 +73,8 @@ commands =
 
 [testenv:pep8]
 envdir = {toxworkdir}/shared
+deps =
+  hacking>=3.0.1,<3.1.0
 commands = flake8
 
 [flake8]