From 38829dc134529d431a03c17315ae5d4d108c5276 Mon Sep 17 00:00:00 2001
From: Axel Huebl <axel.huebl@plasma.ninja>
Date: Thu, 9 Nov 2023 11:36:15 -0800
Subject: [PATCH] CI: Unbreak macOS (#461)

* CI: Unbreak macOS

Try to unbreak broken python on macOS CI..

* Python: Use a fresh Virtualenv

Brew Python is too broken/inconsistent in packages like
`six`, `matplotlib`, `pandas` et al.
---
 .github/workflows/macos.yml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index a26b2c0ce..0b174b6c1 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -45,6 +45,12 @@ jobs:
         brew install ninja
         brew install open-mpi
         brew install pkg-config
+
+        python3 -m pip install --upgrade pip
+        python3 -m pip install --upgrade virtualenv
+
+        python3 -m venv py-venv
+        source py-venv/bin/activate
         python3 -m pip install --upgrade pip
         python3 -m pip install --upgrade build packaging setuptools wheel pytest
         python3 -m pip install --upgrade pytest
@@ -64,6 +70,8 @@ jobs:
           ccache-macos-appleclang-
     - name: build ImpactX
       run: |
+        source py-venv/bin/activate
+
         cmake -S . -B build            \
           -DCMAKE_VERBOSE_MAKEFILE=ON  \
           -DImpactX_PYTHON=ON          \
@@ -72,12 +80,15 @@ jobs:
 
     - name: run tests
       run: |
+        source py-venv/bin/activate
+
         ctest --test-dir build --output-on-failure -E pytest.AMReX
 
     - name: run installed python module
       run: |
         cmake --build build --target pip_install
 
+        source py-venv/bin/activate
         python3 examples/fodo/run_fodo.py
 
     - name: run installed app