ctrace!

Author: alongd

.github/workflows/ci.yml

@@ -99,10 +99,7 @@ jobs:
         env:
           ARC_COVERAGE: 1
           CYTHON_TRACE: 1
-          # Note: Cython.Coverage plugin doesn't work with Python 3.14's
-          # sys.monitoring (SysMonitor) tracer. Cython-compiled modules
-          # (arc/molecule/) won't show in coverage until Cython adds support.
-          # ctrace also crashes (NumPy ImportError).
+          COVERAGE_CORE: ctrace
         run: |
           echo "Running Unit Tests..."
           export PYTHONPATH="${{ github.workspace }}/AutoTST:${{ github.workspace }}/KinBot:$PYTHONPATH"
@@ -114,6 +111,7 @@ jobs:
         env:
           ARC_COVERAGE: 1
           CYTHON_TRACE: 1
+          COVERAGE_CORE: ctrace
         run: |
           echo "Running Functional Tests from $(pwd)..."
           export PYTHONPATH="${{ github.workspace }}/AutoTST:${{ github.workspace }}/KinBot:$PYTHONPATH"

setup.py

@@ -35,7 +35,8 @@
     'linetrace': BUILD_FOR_COVERAGE,
 }
 
-macros = [('CYTHON_TRACE', '1'), ('CYTHON_TRACE_NOGIL', '1')] if BUILD_FOR_COVERAGE else []
+macros = [('CYTHON_TRACE', '1'), ('CYTHON_TRACE_NOGIL', '1'),
+          ('CYTHON_USE_SYS_MONITORING', '0')] if BUILD_FOR_COVERAGE else []
 
 ext_modules = [
     Extension('arc.molecule.atomtype', ['arc/molecule/atomtype.py'], include_dirs=['.'], define_macros=macros),