operators called from python were not getting their reports back into python errors.

eg:
- console calls operator
- operator calls report
- report went into header rather them back into the console as an error.

source/blender/makesdna/DNA_windowmanager_types.h

@@ -85,7 +85,8 @@ typedef enum ReportType {
 enum ReportListFlags {
 	RPT_PRINT = 1,
 	RPT_STORE = 2,
-	RPT_FREE = 4
+	RPT_FREE = 4,
+	RPT_OP_HOLD = 8 /* dont move them into the operator global list (caller will use) */
 };
 #
 #

source/blender/python/intern/bpy_operator.c

@@ -195,7 +195,7 @@ static PyObject *pyop_call(PyObject *UNUSED(self), PyObject *args)
 			ReportList *reports;
 
 			reports= MEM_mallocN(sizeof(ReportList), "wmOperatorReportList");
-			BKE_reports_init(reports, RPT_STORE);
+			BKE_reports_init(reports, RPT_STORE | RPT_OP_HOLD); /* own so these dont move into global reports */
 
 			operator_ret= WM_operator_call_py(C, ot, context, &ptr, reports);
 

source/blender/windowmanager/intern/wm_event_system.c

@@ -453,7 +453,8 @@ static void wm_operator_reports(bContext *C, wmOperator *op, int retval, int pop
 		}
 	}
 
-	if (op->reports->list.first) {
+	/* if the caller owns them them handle this */
+	if (op->reports->list.first && (op->reports->flag & RPT_OP_HOLD) == 0) {
 
 		wmWindowManager *wm = CTX_wm_manager(C);
 		ReportList *wm_reports= CTX_wm_reports(C);