Merge pull request #1956 from tacaswell/fix_37

FIX: account for change in how exception information is stored

Cython/Utility/Exceptions.c

@@ -359,12 +359,21 @@ static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
     *value = local_value;
     *tb = local_tb;
 #if CYTHON_FAST_THREAD_STATE
+    #if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 7
+    tmp_type = tstate->exc_state.exc_type;
+    tmp_value = tstate->exc_state.exc_value;
+    tmp_tb = tstate->exc_state.exc_traceback;
+    tstate->exc_state.exc_type = local_type;
+    tstate->exc_state.exc_value = local_value;
+    tstate->exc_state.exc_traceback = local_tb;
+    #else
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
     tmp_tb = tstate->exc_traceback;
     tstate->exc_type = local_type;
     tstate->exc_value = local_value;
     tstate->exc_traceback = local_tb;
+    #endif
     // Make sure tstate is in a consistent state when we XDECREF
     // these objects (DECREF may run arbitrary code).
     Py_XDECREF(tmp_type);
@@ -394,9 +403,15 @@ static CYTHON_INLINE void __Pyx_ReraiseException(void) {
     PyObject *type = NULL, *value = NULL, *tb = NULL;
 #if CYTHON_FAST_THREAD_STATE
     PyThreadState *tstate = PyThreadState_GET();
+    #if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 7
+    type = tstate->exc_state.exc_type;
+    value = tstate->exc_state.exc_value;
+    tb = tstate->exc_state.exc_traceback;
+    #else
     type = tstate->exc_type;
     value = tstate->exc_value;
     tb = tstate->exc_traceback;
+    #endif
 #else
     PyErr_GetExcInfo(&type, &value, &tb);
 #endif
@@ -440,9 +455,15 @@ static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject
 
 #if CYTHON_FAST_THREAD_STATE
 static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+    #if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 7
+    *type = tstate->exc_state.exc_type;
+    *value = tstate->exc_state.exc_value;
+    *tb = tstate->exc_state.exc_traceback;
+    #else
     *type = tstate->exc_type;
     *value = tstate->exc_value;
     *tb = tstate->exc_traceback;
+    #endif
     Py_XINCREF(*type);
     Py_XINCREF(*value);
     Py_XINCREF(*tb);
@@ -450,12 +471,22 @@ static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject *
 
 static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
     PyObject *tmp_type, *tmp_value, *tmp_tb;
+
+    #if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 7
+    tmp_type = tstate->exc_state.exc_type;
+    tmp_value = tstate->exc_state.exc_value;
+    tmp_tb = tstate->exc_state.exc_traceback;
+    tstate->exc_state.exc_type = type;
+    tstate->exc_state.exc_value = value;
+    tstate->exc_state.exc_traceback = tb;
+    #else
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
     tmp_tb = tstate->exc_traceback;
     tstate->exc_type = type;
     tstate->exc_value = value;
     tstate->exc_traceback = tb;
+    #endif
     Py_XDECREF(tmp_type);
     Py_XDECREF(tmp_value);
     Py_XDECREF(tmp_tb);
@@ -478,6 +509,16 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
 #if CYTHON_FAST_THREAD_STATE
 static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
     PyObject *tmp_type, *tmp_value, *tmp_tb;
+
+    #if PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION >= 7
+    tmp_type = tstate->exc_state.exc_type;
+    tmp_value = tstate->exc_state.exc_value;
+    tmp_tb = tstate->exc_state.exc_traceback;
+
+    tstate->exc_state.exc_type = *type;
+    tstate->exc_state.exc_value = *value;
+    tstate->exc_state.exc_traceback = *tb;
+    #else
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
     tmp_tb = tstate->exc_traceback;
@@ -486,6 +527,7 @@ static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject *
     tstate->exc_value = *value;
     tstate->exc_traceback = *tb;
 
+    #endif
     *type = tmp_type;
     *value = tmp_value;
     *tb = tmp_tb;