Have a dynamic Python version by default if possible

selftest/parallel.sh

@@ -1,7 +1,10 @@
 #!/bin/sh -eux
 
-# set python version
-VERSION=${VERSION:-3.7}
+# set default version to %{python3_version} if available
+VERSION=${VERSION:-$(rpm --eval '%{?python3_version}')} || true
+# ...or 3.8 if that macro is not available or rpm fails for any reason
+VERSION=${VERSION:-3.8}
+
 PYTHON=${PYTHON:-python$VERSION}
 
 # what to skip

smoke/venv.sh

@@ -1,7 +1,10 @@
 #!/bin/sh -eux
 
-# set python version
-VERSION=${VERSION:-3.7}
+# set default version to %{python3_version} if available
+VERSION=${VERSION:-$(rpm --eval '%{?python3_version}')} || true
+# ...or 3.8 if that macro is not available or rpm fails for any reason
+VERSION=${VERSION:-3.8}
+
 PYTHON=${PYTHON:-python$VERSION}
 METHOD=${METHOD:-venv}
 TOX=${TOX:-true}

tests.yml

@@ -13,6 +13,9 @@
     tags:
     - classic
     tests:
+    - smoke_default:
+        dir: smoke
+        run: ./venv.sh
     - smoke27:
         dir: smoke
         run: VERSION=2.7 METHOD=virtualenv ./venv.sh
@@ -65,3 +68,4 @@
     - python3-tkinter
     - python3-test
     - python3-debug
+    - python3-rpm-macros