object: implement fmt.Stringer

Author: icholy

.gitignore

@@ -0,0 +1 @@
+*.pyc

object.go

@@ -15,6 +15,13 @@ type PyObject struct {
 	ptr *C.PyObject
 }
 
+// String returns a string representation of the PyObject
+func (self *PyObject) String() string {
+	o := self.Str()
+	defer o.DecRef()
+	return PyString_AsString(o)
+}
+
 func (self *PyObject) topy() *C.PyObject {
 	return self.ptr
 }

python_test.go

@@ -112,7 +112,7 @@ func TestErrFetch(t *testing.T) {
 	t.Parallel()
 	testPkg(t, pkg{
 		path: "tests/errfetch",
-		want: []byte("exc=&{<nil>}\nval=&{<nil>}\ntb=&{<nil>}\n"),
+		want: []byte("exc=<NULL>\nval=<NULL>\ntb=<NULL>\n"),
 	})
 }