home.md

@@ -37,6 +37,31 @@ Install Gryphon and the Trace Generator by running the installer.  Download the
 
     You may select to install specific versions of the MP trace-generator or of Gryphon using additional parameters: `./install_mp.bash <your operating system selection> <trace-generator version> <gryphon version>`.  The default version for each repository is "master", which selects the most current versions of each.
 
+### Special provisions
+
+#### Centos 7
+Configure a Python 3 environment in a shell by typing the following:
+
+```bash
+    scl enable rh-python36 bash # sets up the environment for Python 3.6
+    mkdir ~/python_project # folder for virtual environment for this Python configuration
+    python -m venv python_project_venv # Enters a virtual environment for this Python configuration
+    source ~/python_project/python_project_venv/bin/activate
+    pip install --upgrade pip
+    pip install pyqt5
+```
+
+Now that the Python3 environment is configured, open this environment in a shell before typing `mp.py` as follows:
+
+```bash
+    scl enable rh-python36 bash
+    source ~/python_project/python_project_venv/bin/activate
+    cd ~/mp_gryphon/gryphon/python
+    ./mp.py
+```
+
+    We install Python 3.6 and reach it through a Python3-enabled shell by typing `scl enable rh-python36 bash`.
+
 ## Installing components individually
 If an installer is not available for your system, you can install Gryphon by hand using the following steps: