Provide a hook on the CRUD base class to allow overriding the default…

… add url generation (#74)

* Provide a hook on the CRUD base class to allow overriding the default add url generation
* Remove Py27

keg_auth/views.py

@@ -229,7 +229,7 @@ def render_grid(self):
             return grid.export_as_response()
 
         template_args = self.grid_template_args({
-            'add_url': flask.url_for(self.endpoint_for_action('add'), session_key=grid.session_key),
+            'add_url': self.add_url_with_session(grid.session_key),
             'page_title': self.page_title(_('list')),
             'page_heading': self.grid_page_heading,
             'object_name': self.object_name,
@@ -238,6 +238,9 @@ def render_grid(self):
 
         return flask.render_template(self.grid_template, **template_args)
 
+    def add_url_with_session(self, session_key):
+        return flask.url_for(self.endpoint_for_action('add'), session_key=session_key)
+
     def cancel_url(self):
         return self.list_url_with_session
 

tox.ini

@@ -11,7 +11,7 @@
 #  and also to help confirm pull requests to this project.
 
 [tox]
-envlist = py{27,35,36}-{base,i18n},flake8,project
+envlist = py{35,36,37}-{base,i18n},flake8,project
 
 
 [testenv]