Fixed bytes_from_object (RustPython#3739)

Lithium07z · web-flow · commit 94240f1846c9 · 2022-05-22T20:39:50.000+09:00
diff --git a/vm/src/bytesinner.rs b/vm/src/bytesinner.rs
@@ -1212,8 +1212,10 @@ pub fn bytes_from_object(vm: &VirtualMachine, obj: &PyObject) -> PyResult<Vec<u8
         return Ok(elements);
     }
 
-    if let Ok(elements) = vm.map_iterable_object(obj, |x| value_from_object(vm, &x)) {
-        return elements;
+    if !obj.fast_isinstance(&vm.ctx.types.str_type) {
+        if let Ok(elements) = vm.map_iterable_object(obj, |x| value_from_object(vm, &x)) {
+            return elements;
+        }
     }
 
     Err(vm.new_type_error(

Original file line number	Diff line number	Diff line change
`@@ -1212,8 +1212,10 @@ pub fn bytes_from_object(vm: &VirtualMachine, obj: &PyObject) -> PyResult<Vec<u8`
`1212`	`1212`	`return Ok(elements);`
`1213`	`1213`	`}`
`1214`	`1214`
`1215`		`- if let Ok(elements) = vm.map_iterable_object(obj, \|x\| value_from_object(vm, &x)) {`
`1216`		`- return elements;`
	`1215`	`+ if !obj.fast_isinstance(&vm.ctx.types.str_type) {`
	`1216`	`+ if let Ok(elements) = vm.map_iterable_object(obj, \|x\| value_from_object(vm, &x)) {`
	`1217`	`+ return elements;`
	`1218`	`+ }`
`1217`	`1219`	`}`
`1218`	`1220`
`1219`	`1221`	`Err(vm.new_type_error(`