configtypes: Add new UrlList type.

qutebrowser/config/configtypes.py

@@ -1161,6 +1161,34 @@ class Position(BaseType):
         return self.MAPPING[value]
 
 
+class UrlList(List):
+
+    """A list of URLs."""
+
+    typestr = 'url-list'
+
+    def transform(self, value):
+        if not value:
+            return None
+        else:
+            return [QUrl.fromUserInput(v) if v else None
+                    for v in value.split(',')]
+
+    def validate(self, value):
+        if not value:
+            if self._none_ok:
+                return
+            else:
+                raise ValidationError(value, "list may not be empty!")
+        vals = self.transform(value)
+        for val in vals:
+            if val is None:
+                raise ValidationError(value, "values may not be empty!")
+            elif not val.isValid():
+                raise ValidationError(value, "invalid URL - {}".format(
+                    val.errorString()))
+
+
 class SelectOnRemove(BaseType):
 
     """Which tab to select when the focused tab is removed."""

qutebrowser/test/config/test_configtypes.py

@@ -1896,5 +1896,24 @@ class EncodingTests(unittest.TestCase):
         self.assertIsNone(self.t.transform(''))
 
 
+class UrlListTests(unittest.TestCase):
+
+    """Test UrlList."""
+
+    def setUp(self):
+        self.t = configtypes.UrlList()
+
+    def test_transform_single(self):
+        """Test transform with a single value."""
+        self.assertEqual(self.t.transform('http://qutebrowser.org/'),
+                         [QUrl('http://qutebrowser.org/')])
+
+    def test_transform_more(self):
+        """Test transform with multiple values."""
+        self.assertEqual(
+            self.t.transform('http://qutebrowser.org/,http://heise.de/'),
+            [QUrl('http://qutebrowser.org/'), QUrl('http://heise.de/')])
+
+
 if __name__ == '__main__':
     unittest.main()