Update post-build hooks to fix OpenShift build

openshift-deployment/openshift-prod-export.yaml

@@ -38,9 +38,10 @@ items:
       script: |
         set -e
         # Without PIP_IGNORE_INSTALLED=0 the Debian version of pip would
-        # re-install all dependencies in the user's home directory
+        # re-install already installed dependencies in the user's home
+        # directory
         # (https://github.com/pypa/pip/issues/4222#issuecomment-417672236)
-        PIP_IGNORE_INSTALLED=0 python3 -m pip install --user /source[tests]
+        PIP_IGNORE_INSTALLED=0 python3 -m pip install --user -r test-requirements.txt
         cd /source
         python3 -m pytest tests/
     resources: {}

setup.py

@@ -36,7 +36,8 @@ def find_source_url(*file_paths):
     raise RuntimeError("Unable to find SOURCE_URL string.")
 
 
-# Remember keep synchronized with the list of dependencies in tox.ini
+# Remember keep synchronized with the list of dependencies in
+# test-requirements.txt.
 tests_require = [
     "pytest",
     "requests ~= 2.5",

test-requirements.txt

@@ -0,0 +1,3 @@
+# Remember to keep synchronized with tests_require in setup.py
+pytest
+requests~=2.5

tox.ini

@@ -17,10 +17,8 @@ python =
 
 [testenv]
 commands = pytest {posargs} tests/
-# Remember to keep synchronized with tests_require in setup.py
 deps =
-    pytest
-    requests ~= 2.5
+    -r test-requirements.txt
 
 [testenv:cov]
 commands = pytest --cov={envsitepackagesdir}/hbp_spatial_backend \