Merge branch 'master' into blender2.8

2 files changed, 48 insertions, 10 deletions

diff --git a/source/blender/python/generic/py_capi_utils.c b/source/blender/python/generic/py_capi_utils.c
index 7b2d58a1268..2e789d6d4b3 100644
--- a/source/blender/python/generic/py_capi_utils.c
+++ b/source/blender/python/generic/py_capi_utils.c
@@ -918,11 +918,11 @@ char *PyC_FlagSet_AsString(PyC_FlagSet *item)
 	return cstring;
 }
 
-int PyC_FlagSet_ValueFromID_int(PyC_FlagSet *item, const char *identifier, int *value)
+int PyC_FlagSet_ValueFromID_int(PyC_FlagSet *item, const char *identifier, int *r_value)
 {
 	for ( ; item->identifier; item++) {
 		if (STREQ(item->identifier, identifier)) {
-			*value = item->value;
+			*r_value = item->value;
 			return 1;
 		}
 	}
@@ -930,9 +930,9 @@ int PyC_FlagSet_ValueFromID_int(PyC_FlagSet *item, const char *identifier, int *
 	return 0;
 }
 
-int PyC_FlagSet_ValueFromID(PyC_FlagSet *item, const char *identifier, int *value, const char *error_prefix)
+int PyC_FlagSet_ValueFromID(PyC_FlagSet *item, const char *identifier, int *r_value, const char *error_prefix)
 {
-	if (PyC_FlagSet_ValueFromID_int(item, identifier, value) == 0) {
+	if (PyC_FlagSet_ValueFromID_int(item, identifier, r_value) == 0) {
 		const char *enum_str = PyC_FlagSet_AsString(item);
 		PyErr_Format(PyExc_ValueError,
 		             "%s: '%.200s' not found in (%s)",
@@ -1006,7 +1006,7 @@ PyObject *PyC_FlagSet_FromBitfield(PyC_FlagSet *items, int flag)
  *
  * \note it is caller's responsibility to acquire & release GIL!
  */
-bool PyC_RunString_AsNumber(const char *expr, double *value, const char *filename)
+bool PyC_RunString_AsNumber(const char *expr, const char *filename, double *r_value)
 {
 	PyObject *py_dict, *mod, *retval;
 	bool ok = true;
@@ -1058,10 +1058,10 @@ bool PyC_RunString_AsNumber(const char *expr, double *value, const char *filenam
 			ok = false;
 		}
 		else if (!isfinite(val)) {
-			*value = 0.0;
+			*r_value = 0.0;
 		}
 		else {
-			*value = val;
+			*r_value = val;
 		}
 	}
 
@@ -1070,4 +1070,41 @@ bool PyC_RunString_AsNumber(const char *expr, double *value, const char *filenam
 	return ok;
 }
 
+bool PyC_RunString_AsString(const char *expr, const char *filename, char **r_value)
+{
+	PyObject *py_dict, *retval;
+	bool ok = true;
+	PyObject *main_mod = NULL;
+
+	PyC_MainModule_Backup(&main_mod);
+
+	py_dict = PyC_DefaultNameSpace(filename);
+
+	retval = PyRun_String(expr, Py_eval_input, py_dict, py_dict);
+
+	if (retval == NULL) {
+		ok = false;
+	}
+	else {
+		const char *val;
+		Py_ssize_t val_len;
+
+		val = _PyUnicode_AsStringAndSize(retval, &val_len);
+		if (val == NULL && PyErr_Occurred()) {
+			ok = false;
+		}
+		else {
+			char *val_alloc = MEM_mallocN(val_len + 1, __func__);
+			memcpy(val_alloc, val, val_len + 1);
+			*r_value = val_alloc;
+		}
+
+		Py_DECREF(retval);
+	}
+
+	PyC_MainModule_Restore(main_mod);
+
+	return ok;
+}
+
 #endif  /* #ifndef MATH_STANDALONE */
diff --git a/source/blender/python/generic/py_capi_utils.h b/source/blender/python/generic/py_capi_utils.h
index 04cfc8801eb..3f89e1d82a0 100644
--- a/source/blender/python/generic/py_capi_utils.h
+++ b/source/blender/python/generic/py_capi_utils.h
@@ -75,12 +75,13 @@ typedef struct PyC_FlagSet {
 } PyC_FlagSet;
 
 char     *PyC_FlagSet_AsString(PyC_FlagSet *item);
-int       PyC_FlagSet_ValueFromID_int(PyC_FlagSet *item, const char *identifier, int *value);
-int       PyC_FlagSet_ValueFromID(PyC_FlagSet *item, const char *identifier, int *value, const char *error_prefix);
+int       PyC_FlagSet_ValueFromID_int(PyC_FlagSet *item, const char *identifier, int *r_value);
+int       PyC_FlagSet_ValueFromID(PyC_FlagSet *item, const char *identifier, int *r_value, const char *error_prefix);
 int       PyC_FlagSet_ToBitfield(PyC_FlagSet *items, PyObject *value, int *r_value, const char *error_prefix);
 PyObject *PyC_FlagSet_FromBitfield(PyC_FlagSet *items, int flag);
 
-bool PyC_RunString_AsNumber(const char *expr, double *value, const char *filename);
+bool PyC_RunString_AsNumber(const char *expr, const char *filename, double *r_value);
+bool PyC_RunString_AsString(const char *expr, const char *filename, char **r_value);
 
 int PyC_ParseBool(PyObject *o, void *p);