Update DATETIME_FORMAT to clarify it must be UTC (pynamodb#1163)

ikonst · web-flow · commit b5600ea8c44d · 2023-02-27T16:21:27.000-08:00
diff --git a/pynamodb/constants.py b/pynamodb/constants.py
@@ -97,7 +97,7 @@
 
 # Defaults
 DEFAULT_ENCODING = 'utf-8'
-DATETIME_FORMAT = '%Y-%m-%dT%H:%M:%S.%f%z'
+DATETIME_FORMAT = '%Y-%m-%dT%H:%M:%S.%f+0000'
 SERVICE_NAME = 'dynamodb'
 HTTP_OK = 200
 HTTP_BAD_REQUEST = 400
diff --git a/tests/test_attributes.py b/tests/test_attributes.py
@@ -204,7 +204,7 @@ def test_utc_date_time_deserialize_pre_1000_not_padded(self):
         ]
     )
     def test_utc_date_time_invalid(self, invalid_string):
-        with pytest.raises(ValueError, match="does not match format"):
+        with pytest.raises(ValueError, match=r"does not match format '%Y-%m-%dT%H:%M:%S.%f\+0000'"):
             self.attr.deserialize(invalid_string)
 
 

Original file line number	Diff line number	Diff line change
`@@ -204,7 +204,7 @@ def test_utc_date_time_deserialize_pre_1000_not_padded(self):`
`204`	`204`	`]`
`205`	`205`	`)`
`206`	`206`	`def test_utc_date_time_invalid(self, invalid_string):`
`207`		`- with pytest.raises(ValueError, match="does not match format"):`
	`207`	`+ with pytest.raises(ValueError, match=r"does not match format '%Y-%m-%dT%H:%M:%S.%f\+0000'"):`
`208`	`208`	`self.attr.deserialize(invalid_string)`
`209`	`209`
`210`	`210`