fix include_meta for py35, added tests. close #1816

gluon/globals.py

@@ -459,7 +459,7 @@ class Response(Storage):
         for meta in iteritems((self.meta or {})):
             k, v = meta
             if isinstance(v, dict):
-                s += '<meta' + ''.join(' %s="%s"' % (xmlescape(key),
+                s += '<meta' + ''.join(' %s="%s"' % (to_native(xmlescape(key)),
                                                      to_native(xmlescape(v[key]))) for key in v) + ' />\n'
             else:
                 s += '<meta name="%s" content="%s" />\n' % (k, to_native(xmlescape(v)))

gluon/tests/test_globals.py

@@ -230,3 +230,14 @@ class testResponse(unittest.TestCase):
         current.session._fixup_before_save()
         cookie = str(current.response.cookies)
         self.assertTrue('httponly' not in cookie.lower())
+
+    def test_include_meta(self):
+        response = Response()
+        response.meta[u'web2py'] = 'web2py'
+        response.include_meta()
+        self.assertEqual(response.body.getvalue(), '\n<meta name="web2py" content="web2py" />\n')
+        response = Response()
+        response.meta[u'meta_dict'] = {u'tag_name':'tag_value'}
+        response.include_meta()
+        self.assertEqual(response.body.getvalue(), '\n<meta tag_name="tag_value" />\n')
+