Improve exception message relating to strict_map_key (#485)

paulmelis · web-flow · commit 09187421eb0a · 2021-11-16T14:47:40.000+09:00
diff --git a/msgpack/unpack.h b/msgpack/unpack.h
@@ -193,7 +193,7 @@ static inline int unpack_callback_map(unpack_user* u, unsigned int n, msgpack_un
 static inline int unpack_callback_map_item(unpack_user* u, unsigned int current, msgpack_unpack_object* c, msgpack_unpack_object k, msgpack_unpack_object v)
 {
     if (u->strict_map_key && !PyUnicode_CheckExact(k) && !PyBytes_CheckExact(k)) {
-        PyErr_Format(PyExc_ValueError, "%.100s is not allowed for map key", Py_TYPE(k)->tp_name);
+        PyErr_Format(PyExc_ValueError, "%.100s is not allowed for map key when strict_map_key=True", Py_TYPE(k)->tp_name);
         return -1;
     }
     if (PyUnicode_CheckExact(k)) {

Original file line number	Diff line number	Diff line change
`@@ -193,7 +193,7 @@ static inline int unpack_callback_map(unpack_user* u, unsigned int n, msgpack_un`
`193`	`193`	`static inline int unpack_callback_map_item(unpack_user* u, unsigned int current, msgpack_unpack_object* c, msgpack_unpack_object k, msgpack_unpack_object v)`
`194`	`194`	`{`
`195`	`195`	`if (u->strict_map_key && !PyUnicode_CheckExact(k) && !PyBytes_CheckExact(k)) {`
`196`		`- PyErr_Format(PyExc_ValueError, "%.100s is not allowed for map key", Py_TYPE(k)->tp_name);`
	`196`	`+ PyErr_Format(PyExc_ValueError, "%.100s is not allowed for map key when strict_map_key=True", Py_TYPE(k)->tp_name);`
`197`	`197`	`return -1;`
`198`	`198`	`}`
`199`	`199`	`if (PyUnicode_CheckExact(k)) {`