Adds python-experimental with dynamic base classes (#8325)

samples/openapi3/client/petstore/python-experimental/test_python.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+REQUIREMENTS_FILE=dev-requirements.txt
+REQUIREMENTS_OUT=dev-requirements.txt.log
+SETUP_OUT=*.egg-info
+VENV=venv
+DEACTIVE=false
+
+export LC_ALL=en_US.UTF-8
+export LANG=en_US.UTF-8
+
+### set virtualenv
+if [ -z "$VENVV" ]; then
+		python3 -m venv $VENV
+		source $VENV/bin/activate
+    DEACTIVE=true
+fi
+
+### install dependencies
+pip install -r $REQUIREMENTS_FILE | tee -a $REQUIREMENTS_OUT
+### locally install the package, needed for pycharm problem checking
+pip install -e .
+
+### run tests
+tox || exit 1
+
+### static analysis of code
+#flake8 --show-source petstore_api/
+
+### deactivate virtualenv
+#if [ $DEACTIVE == true ]; then
+#    deactivate
+#fi