write out scheduled in json format

 - Legacy-Id: 6244

Author: mcr

v4.70/ietf/meeting/management/commands/schedwrite.py

@@ -0,0 +1,43 @@
+from django.core.management.base import BaseCommand
+from django.core import serializers
+from optparse import make_option
+import sys
+
+class Command(BaseCommand):
+    option_list = BaseCommand.option_list + (
+        make_option('--format', default='json', dest='format',
+            help='Specifies the output serialization format for fixtures.'),
+        make_option('--indent', default=None, dest='indent', type='int',
+            help='Specifies the indent level to use when pretty-printing output'),
+    #    make_option('--schedulename', action='store',  dest='schedulename', default=False,
+    #        help='Tells Django to stop running the test suite after first failed test.')
+    )
+    help = 'Saves the scheduled information for a named schedule in JSON format'
+    args = 'meetingname [owner] schedname'
+
+    def handle(self, *labels, **options):
+        from django.conf import settings
+        from django.test.utils import get_runner
+
+        meetingname = labels[0]
+        schedname   = labels[1]
+
+        from ietf.meeting.helpers import get_meeting,get_schedule
+
+        format = options.get('format','json')
+        indent = options.get('indent', 2)
+        meeting = get_meeting(meetingname)
+        schedule = get_schedule(meeting, schedname)
+
+        scheduledsessions = schedule.scheduledsession_set.all()
+
+        # cribbed from django/core/management/commands/dumpdata.py
+        # Check that the serialization format exists; this is a shortcut to
+        # avoid collating all the objects and _then_ failing.
+        if format not in serializers.get_public_serializer_formats():
+            raise CommandError("Unknown serialization format: %s" % format)
+
+        return serializers.serialize(format, scheduledsessions, indent=indent,
+                                     use_natural_keys=True)
+
+