adapting jenkinsfile

installpyenv.sh

@@ -0,0 +1,28 @@
+# !/bin/bash
+
+# Step 1. Install pyenv
+
+git clone https://github.com/pyenv/pyenv.git ~/.pyenv
+echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
+echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
+echo -e 'if command -v pyenv 1>/dev/null 2>&1; then\n  eval "$(pyenv init -)"\nfi' >> ~/.bashrc
+source ~/.bashrc
+
+# Step 2. Install missing headers for all the Python modules to be built and make sure gcc is installed
+
+sudo zypper install readline-devel sqlite3-devel libbz2-devel zlib-devel libopenssl-devel libffi-devel gcc
+
+# Step 3. Install the desired Python version
+
+pyenv install 3.7.4
+
+# Step 4. Install virtualenv
+
+sudo zypper install python3-virtualenv
+
+# Step 5. Create a virtual environment for the installed Python and activate it
+
+mkdir ~/pythons
+cd ~/pythons
+virtualenv -p ~/.pyenv/versions/3.7.4/bin/python3.7 python3.7.4
+source ./python3.7.4/bin/activate