CI bugfixes

Update cibuildwheel version.
Workaround test segfault.
Fix syntax error in utils.py
Update actions to node-20
Change to setup-micromamba

.github/workflows/main.yml

@@ -61,20 +61,20 @@ jobs:
         os: [ubuntu-22.04, windows-2022, macos-12]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Cache MCR
         if: ${{ matrix.os != 'ubuntu-22.04' }}
         id: cache-mcr
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: mcr
           key: ${{ runner.os }}-matlab-${{ env.MCRVER }}-mcr
           lookup-only: true
       - name: Cache gists
         id: cache-gists
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: gists
           key: ${{ runner.os }}-gists
@@ -112,7 +112,7 @@ jobs:
         os: [ubuntu-22.04, windows-2022, macos-12]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Setup variables
@@ -140,29 +140,29 @@ jobs:
           env
       - name: Set up MATLAB
         if: ${{ matrix.os == 'ubuntu-22.04' }}
-        uses: matlab-actions/setup-matlab@v1.2.4
+        uses: matlab-actions/setup-matlab@v2
         with:
           release: ${{ env.MLVER }}
-      - uses: actions/cache/restore@v3
+      - uses: actions/cache/restore@v4
         if: ${{ matrix.os != 'ubuntu-22.04' }}
         with:
           path: mcr
           key: ${{ runner.os }}-matlab-${{ env.MCRVER }}-mcr
           fail-on-cache-miss: true
-      - uses: actions/cache/restore@v3
+      - uses: actions/cache/restore@v4
         with:
           path: gists
           key: ${{ runner.os }}-gists
           fail-on-cache-miss: true
-      - uses: pypa/cibuildwheel@v2.12.0
+      - uses: pypa/cibuildwheel@v2.17.0
         env:
           CIBW_BUILD: ${{ env.CIBW }}
           CIBW_ENVIRONMENT: >-
             MATLABEXECUTABLE="${{ env.MLPREFIX }}${{ env.MATLABEXECUTABLE }}"
             HOSTDIRECTORY="${{ env.MLPREFIX }}${{ env.HOSTDIRECTORY }}"
           CIBW_BUILD_VERBOSITY: 1
           MACOSX_DEPLOYMENT_TARGET: "10.15"
-      - uses: mamba-org/provision-with-micromamba@main
+      - uses: mamba-org/setup-micromamba@v1
         with:
           environment-file: false
           cache-downloads: true
@@ -176,7 +176,9 @@ jobs:
             eval "$($MAMBA_EXE shell activate py$pyver)"
             python -m pip install wheelhouse/*cp$(echo $pyver | sed s/\\.//)*
             cd test
-            python run_test.py
+            # Sometimes the test results in a segfault on exit
+            python run_test.py || true
+            test -f success
             cd ..
           done
       - name: Upload release wheels
@@ -187,7 +189,7 @@ jobs:
       #- name: Setup tmate
       #  if: ${{ failure() }}
       #  uses: mxschmitt/action-tmate@v3
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: ${{ matrix.os }}_artifacts.zip
           path: |

libpymcr/utils.py

@@ -234,7 +234,7 @@ def guess_from_env(self, ld_path=None):
     def guess_from_syspath(self):
         matlab_exe = shutil.which('matlab')
         if matlab_exe is None:
-            return None if self.system == 'Windows' else guess_from_env('PATH')
+            return None if self.system == 'Windows' else self.guess_from_env('PATH')
         mlbinpath = os.path.dirname(os.path.realpath(matlab_exe))
         return self.find_version(os.path.abspath(os.path.join(mlbinpath, '..')))