Method genStructMemberSetter

bind/gen_struct.go:233–290

(s *Struct, i int, f types.Object)

}

func (g *pyGen) genStructMemberSetter(s *Struct, i int, f types.Object) {
	pkgname := g.cfg.Name
	ft := f.Type()
	ret := current.symtype(ft)
	if ret == nil {
		return
	}

	gname := f.Name()
	if g.cfg.RenameCase {
		gname = toSnakeCase(gname)
	}

	if newName, err := extractPythonNameFieldTag(gname, s.Struct().Tag(i)); err == nil {
		gname = newName
	}

	cgoFn := fmt.Sprintf("%s_%s_Set", s.ID(), f.Name())

	g.pywrap.Printf("@%s.setter\n", gname)
	g.pywrap.Printf("def %[1]s(self, value):\n", gname)
	g.pywrap.Indent()
	g.pywrap.Printf("if isinstance(value, go.GoClass):\n")
	g.pywrap.Indent()
	g.pywrap.Printf("_%s.%s(self.handle, value.handle)\n", pkgname, cgoFn)
	g.pywrap.Outdent()
	g.pywrap.Printf("else:\n")
	g.pywrap.Indent()
	// See comment in genStructInit about ensuring that gopy managed
	// objects are only assigned to from gopy managed objects.
	utyp := f.Type()
	if _, isNamed := utyp.(*types.Named); isNamed {
		utyp = utyp.Underlying()
	}
	switch utyp.(type) {
	case *types.Basic:
		g.pywrap.Printf("_%s.%s(self.handle, value)\n", pkgname, cgoFn)
	default:
		g.pywrap.Printf("raise TypeError(\"supplied argument type {t} is not a go.GoClass\".format(t=type(value)))\n")
	}
	g.pywrap.Outdent()
	g.pywrap.Outdent()

	g.gofile.Printf("//export %s\n", cgoFn)
	g.gofile.Printf("func %s(handle CGoHandle, val %s) {\n", cgoFn, ret.cgoname)
	g.gofile.Indent()
	g.gofile.Printf("op := ptrFromHandle_%s(handle)\n", s.ID())
	if ret.py2go != "" {
		g.gofile.Printf("op.%s = %s(val)%s", f.Name(), ret.py2go, ret.py2goParenEx)
	} else {
		g.gofile.Printf("op.%s = val", f.Name())
	}
	g.gofile.Printf("\n")
	g.gofile.Outdent()
	g.gofile.Printf("}\n\n")

	g.pybuild.Printf("mod.add_function('%s', None, [param('%s', 'handle'), param('%s', 'val')])\n", cgoFn, PyHandle, ret.cpyname)
}