Handle null dates returned from the API.

Kevin Burke · Kevin Burke · commit 38a6b6ead9e3 · 2013-05-21T17:19:27.000-07:00
diff --git a/tests/test_base_resource.py b/tests/test_base_resource.py
@@ -7,7 +7,7 @@
     import unittest2 as unittest
 
 from mock import Mock
-from nose.tools import assert_equal, assert_true
+from nose.tools import assert_equal, assert_true, assert_is_none
 from twilio.rest.resources import Resource
 from twilio.rest.resources import ListResource
 from twilio.rest.resources import InstanceResource
@@ -115,6 +115,10 @@ def testLoadDateCreated(self):
         except AttributeError:
             pass
 
+    def testLoadNullDate(self):
+        self.r.load({"date_created": None, "uri": "foobar"})
+        assert_is_none(self.r.date_created)
+
     def testLoadWithFrom(self):
         self.r.load({"from": "foo"})
         self.assertEquals(self.r.from_, "foo")
diff --git a/twilio/rest/resources/util.py b/twilio/rest/resources/util.py
@@ -46,9 +46,12 @@ def parse_date(d):
 def parse_rfc2822_date(s):
     """
     Parses an RFC 2822 date string and returns a time zone naive datetime
-    object. It is assumed that all dates returned from Twilio are UTC.
+    object. All dates returned from Twilio are UTC.
     """
-    return datetime.datetime(*parsedate(s)[:6])
+    date_tuple = parsedate(s)
+    if date_tuple is None:
+        return None
+    return datetime.datetime(date_tuple[:6])
 
 
 def convert_boolean(boolean):
