Add initial versioning support with SQLAlchemy-Continuum.

tailbone/views/vendors/__init__.py

@@ -26,7 +26,8 @@ Views pertaining to vendors
 
 from __future__ import unicode_literals
 
-from .core import VendorsGrid, VendorCrud, VendorsAutocomplete, add_routes
+from .core import (VendorsGrid, VendorCrud, VendorVersionView,
+                   VendorsAutocomplete, add_routes)
 
 
 def includeme(config):

tailbone/views/vendors/core.py

@@ -1,9 +1,8 @@
-#!/usr/bin/env python
-# -*- coding: utf-8  -*-
+# -*- coding: utf-8 -*-
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2012 Lance Edgar
+#  Copyright © 2010-2015 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -21,15 +20,19 @@
 #  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
 #
 ################################################################################
-
 """
 Vendor Views
 """
 
-from tailbone.views import SearchableAlchemyGridView, CrudView, AutocompleteView
-from tailbone.forms import AssociationProxyField, PersonFieldRenderer
+from __future__ import unicode_literals
+
+from rattail.db import model
 from rattail.db.model import Vendor
 
+from tailbone.views import SearchableAlchemyGridView, CrudView, AutocompleteView
+from tailbone.views.continuum import VersionView, version_defaults
+from tailbone.forms import AssociationProxyField, PersonFieldRenderer
+
 
 class VendorsGrid(SearchableAlchemyGridView):
 
@@ -93,6 +96,14 @@ class VendorCrud(CrudView):
         return fs
 
 
+class VendorVersionView(VersionView):
+    """
+    View which shows version history for a vendor.
+    """
+    parent_class = model.Vendor
+    route_model_view = 'vendor.read'
+
+
 class VendorsAutocomplete(AutocompleteView):
 
     mapped_class = Vendor
@@ -127,3 +138,5 @@ def includeme(config):
                     permission='vendors.update')
     config.add_view(VendorCrud, attr='delete', route_name='vendor.delete',
                     permission='vendors.delete')
+
+    version_defaults(config, VendorVersionView, 'vendor')