Handle naive vs utc aware datetime

inventory-app/doorboy.py

@@ -8,6 +8,7 @@ from pymongo import MongoClient
 from wtforms import StringField, IntegerField, SelectField, BooleanField, DateTimeField, validators
 from wtforms.validators import DataRequired
 
+import pytz
 import const
 from common import spam, users_lookup, users, User
 from oidc import login_required, read_user
@@ -226,17 +227,23 @@ def view_doorboy_admin():
 
 def datetime_handle(item):
     if not item:
-        return datetime.min
+        dt = datetime.min
     elif type(item) is str:
         try:
-            return parse(item)
+            dt = parse(item)
         except ParserError as e:
             print(e)
-            return datetime.min
+            dt = datetime.min
     elif type(item) is datetime:
-        return item
+        dt = item
     else:
-        return datetime.min
+        dt = datetime.min
+
+    try:
+        dt = pytz.UTC.localize(dt)
+    except ValueError:
+        pass
+    return dt
 
 @page_doorboy.route("/m/doorboy/swipes")
 @login_required

requirements.txt

@@ -7,6 +7,7 @@ Flask
 jinja2
 jpegtran-cffi
 markdown
+pytz
 requests
 safe
 sepa