refactor: disable macos runner on pushes

Author: yoyolicoris

.github/workflows/python-package.yml

@@ -10,53 +10,74 @@ on:
     branches: [ "main" ]
 
 jobs:
-  build:
+  build-ubuntu:
 
-    runs-on: ${{matrix.os}}
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12"]
-        os: [ubuntu-latest, macos-latest]
 
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install libomp on macOS
-      if: matrix.os == 'macos-latest'
-      run: |
-        brew install libomp
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         python -m pip install flake8 pytest
         pip install "numpy<2.0" numba
-    - name: Install torch (mac)
-      if: matrix.os == 'macos-latest'
-      run: pip install torch
-    - name: Install torch (ubuntu)
-      if: matrix.os == 'ubuntu-latest'
+    - name: Install torch
       run: pip install torch --index-url https://download.pytorch.org/whl/cpu
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Build CPP extension with g++
+      run: |
+        python -m pip install -e .
+    - name: Test with pytest
+      run: |
+        pytest
+
+  build-macos:
+    if: github.event_name == 'pull_request'
+    runs-on: macos-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.12"]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install libomp
+      run: |
+        brew install libomp
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install flake8 pytest
+        pip install "numpy<2.0" numba torch
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Build CPP extension with clang++
-      if: matrix.os == 'macos-latest'
       run: |
         export CXX=$(brew --prefix llvm@15)/bin/clang++
         export LDFLAGS="-L/usr/local/opt/libomp/lib"
         export CPPFLAGS="-I/usr/local/opt/libomp/include"
         python -m pip install -e .
-    - name: Build CPP extension with g++
-      if: matrix.os == 'ubuntu-latest'
-      run: |
-        python -m pip install -e .
     - name: Test with pytest
       run: |
         pytest