Separate topic creation from slots creation

Allow to create topics separately from slots, as we usually
don't have the topic room layout until late in Summit prep.

README.rst

@@ -31,10 +31,15 @@ settings there.
 Create empty database:
 ./manage.py syncdb
 
-Copy slots.json.sample to slots.json and edit the file to match
+Copy topics.json.sample to topics.json and edit the file to match
-the topics, rooms and time slots for each topic. Then run:
+the topics you want to have. Then run:
 
-./manage.py loadtopics slots.json
+./manage.py loadtopics topics.json
 
 Then run a dev server using:
 ./manage.py runserver
+
+When you have room layout, copy slots.json.sample to slots.json and edit
+the file to match the rooms and time slots for each topic. Then run:
+
+./manage.py loadslots slots.json

cfp/management/__init__.py

@@ -0,0 +1,14 @@
+# Copyright 2011 Thierry Carrez <thierry@openstack.org>
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.

cfp/management/commands/__init__.py

@@ -0,0 +1,14 @@
+# Copyright 2011 Thierry Carrez <thierry@openstack.org>
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.

cfp/management/commands/loadtopics.py

@@ -0,0 +1,40 @@
+# Copyright 2011 Thierry Carrez <thierry@openstack.org>
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import json
+
+from django.core.management.base import BaseCommand, CommandError
+from cfp.models import Topic
+
+
+class Command(BaseCommand):
+    args = '<description.json>'
+    help = 'Create topics from JSON description'
+
+    def handle(self, *args, **options):
+
+        if len(args) != 1:
+            raise CommandError('Incorrect arguments')
+
+        try:
+            with open(args[0]) as f:
+                data = json.load(f)
+        except ValueError as exc:
+            raise CommandError("Malformed JSON: %s" % exc.message)
+
+        for topicname, desc in data.iteritems():
+            t = Topic(name=topicname, lead_username=desc['lead_username'],
+                      description=desc['description'])
+            t.save()

scheduling/management/commands/loadslots.py

@@ -46,10 +46,8 @@ class Command(BaseCommand):
 
         for topicname, desc in data['topics'].iteritems():
             started = False
-            t = Topic(name=topicname, lead_username=desc['lead_username'],
+            t = Topic.objects.get(name=topicname)
-                      description=desc['description'])
             room = Room.objects.get(code=desc['room'])
-            t.save()
             for (d, h) in slot_generator(data):
                 if (d == desc['start_day'] and h == desc['first_slot']):
                     started = True

slots.json.sample

@@ -23,8 +23,6 @@
     ],
     "topics": {
         "Swift": {
-            "description": "Sessions about OpenStack Object Storage (Swift)",
-            "lead_username": "notmyname",
             "room": "A",
             "start_day": "2012-09-20", "first_slot": "09:30",
             "end_day": "2012-09-21", "last_slot": "10:00" }

topics.json.sample

@@ -0,0 +1,6 @@
+{
+    "Swift": {
+            "description": "Sessions about OpenStack Object Storage (Swift)",
+            "lead_username": "notmyname"
+    }
+}