Adding inital data comparison

backend/audit/management/commands/compare_with_previous.py

@@ -0,0 +1,26 @@
+from django.core.management.base import BaseCommand
+
+import logging
+from django.contrib.auth import get_user_model
+from pprint import pprint
+
+from audit.viewlib.compare_two_submissions import compare_with_prev
+
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.INFO)
+
+User = get_user_model()
+
+
+class Command(BaseCommand):
+    def add_arguments(self, parser):
+        parser.add_argument("report_id", type=str)
+
+    def handle(self, *args, **options):
+        rid = options["report_id"]
+
+        # This is actually sneaky. Given a report ID, it either
+        # compares to the previous (if one exists), or if no prev
+        # exists, but a *next* DOES exist, it flips the order and
+        # compares next to this one.
+        pprint(compare_with_prev(rid))