Handle action url

tryton/action/main.py

@@ -8,6 +8,7 @@ import gettext
 import tempfile
 import base64
 import os
+import webbrowser
 
 _ = gettext.gettext
 
@@ -148,6 +149,10 @@ class Action(object):
         elif action['type'] == 'ir.action.report':
             Action.exec_report(action['report_name'], datas)
 
+        elif action['type'] == 'ir.action.url':
+            if action['url']:
+                webbrowser.open(action['url'], new=2)
+
     @staticmethod
     def exec_keyword(keyword, data=None, context=None, warning=True,
             alwaysask=False):

tryton/gui/window/view_form/view/form.py

@@ -128,12 +128,14 @@ class ViewForm(ParserView):
                 message(_('You must select a record ' \
                         'to use the relate button !'))
                 return False
-            act['domain'] = \
-                    self.screen.current_model.expr_eval(
-                            act['domain'], check_load=False)
-            act['context'] = str(
-                    self.screen.current_model.expr_eval(
-                        act['context'], check_load=False))
+            if 'domain' in act:
+                act['domain'] = \
+                        self.screen.current_model.expr_eval(
+                                act['domain'], check_load=False)
+            if 'context' in act:
+                act['context'] = str(
+                        self.screen.current_model.expr_eval(
+                            act['context'], check_load=False))
         value = Action._exec_action(act, data, context)
         if atype in ('print', 'action'):
             self.screen.reload()