Pin stable charm to ``charms.openstack`` stable branch

Change-Id: I28297c4a29051b395b7d1481823cff2dd78c8379

src/test-requirements.txt

@@ -6,5 +6,5 @@ stestr>=2.2.0
 python-keystoneclient>=1.7.1
 python-swiftclient
 lxml
-git+https://github.com/openstack-charmers/zaza.git@remove-namespaced-tests#egg=zaza;python_version>='3.0'
+git+https://github.com/openstack-charmers/zaza.git#egg=zaza
 git+https://github.com/openstack-charmers/zaza-openstack-tests.git#egg=zaza.openstack

src/wheelhouse.txt

@@ -0,0 +1,2 @@
+
+git+https://opendev.org/openstack/charms.openstack.git@stable/19.07#egg=charms.openstack

tox.ini

@@ -19,7 +19,8 @@ deps =
 [testenv:build]
 basepython = python3
 commands =
-    charm-build --log-level DEBUG -o {toxinidir}/build src {posargs}
+    charm-build --log-level DEBUG -o {toxinidir}/build \
+        -w transitional-wheelhouse-override.txt src {posargs}
 
 [testenv:py3]
 basepython = python3

transitional-wheelhouse-override.txt

@@ -0,0 +1,6 @@
+# NOTE(fnordahl): the stable branch needs to have this wheelhouse override
+# in place until transition to ``include_system_packages=false`` is complete
+pip>=7.0.0,<8.2.0
+setuptools>24.3,<=39.0.1
+setuptools-scm<=1.17.0
+git+https://github.com/juju/charm-helpers.git@stable/19.07#egg=charmhelpers