updates

unitgrade/unitgrade.py

@@ -69,11 +69,16 @@ class Capturing(list):
 
 class QItem(unittest.TestCase):
     title = None
-    testfun = unittest.TestCase.assertEqual
+    testfun = None
     tol = 0
 
     _computed_answer = None # Internal helper to later get results.
     def __init__(self, working_directory=None, correct_answer_payload=None, *args, **kwargs):
+        if self.tol > 0 and self.testfun is None:
+            self.testfun = self.assertL2Relative
+        else:
+            self.testfun = unittest.TestCase.assertEqual
+
         self.name = self.__class__.__name__
         self._correct_answer_payload = correct_answer_payload
         super().__init__(*args, **kwargs)

unitgrade/unitgrade_helpers.py

@@ -46,7 +46,7 @@ parser.add_argument('--passall',  action="store_true",  help='Automatically pass
 #                     const=sum, default=max,
 #                     help='sum the integers (default: find the max)')
 
-def evaluate_report_student(report, question=None, qitem=None, unmute=None, passall=None):
+def evaluate_report_student(report, question=None, qitem=None, unmute=None, passall=None, ignore_missing_file=False):
     args = parser.parse_args()
     if question is None and args.q is not None:
         question = args.q
@@ -54,7 +54,8 @@ def evaluate_report_student(report, question=None, qitem=None, unmute=None, pass
             question, qitem = [int(v) for v in question.split(".")]
         else:
             question = int(question)
-    if not os.path.isfile(report.computed_answers_file):
+
+    if not os.path.isfile(report.computed_answers_file) and not ignore_missing_file:
         raise Exception("> Error: The pre-computed answer file", os.path.abspath(report.computed_answers_file), "does not exist. Check your package installation")
 
     if unmute is None: