Fix bug in date parsing #154

We were using two default dates during date parsing, but one of them
had a month of 02 (February). When parsing a date that is just a day
of the month, like "30", the Python datetime library would throw an
exception against the default date, because there's no day 30 in
February.

CHANGELOG

@@ -1,3 +1,6 @@
+2018-05-11 Release 4.7.1
+	- hotfix for bug in date parsing
+
 2018-04-30 Release 4.7
 	- remove obsolete Python2 compatibility code
 	- added source_row_number and source_column_number to support validation

hxl/datatypes.py

@@ -22,7 +22,7 @@
 
 DEFAULT_DATE_1 = datetime.date(2015, 1, 1)
 
-DEFAULT_DATE_2 = datetime.date(2016, 2, 2)
+DEFAULT_DATE_2 = datetime.date(2016, 3, 3)
 
 def normalise(s, col=None):
     """Intelligently normalise a value, optionally using the HXL hashtag for hints"""

setup.py

@@ -7,7 +7,7 @@
     raise RuntimeError("libhxl requires Python 3 or higher")
 
 setup(name='libhxl',
-      version='4.7',
+      version='4.7.1',
       description='Python support for the Humanitarian Exchange Language (HXL).',
       author='David Megginson',
       author_email='[email protected]',

tests/test_datatypes.py

@@ -108,3 +108,6 @@ def test_normalise_other_date(self):
         self.assertEqual('2008-01-20', hxl.datatypes.normalise_date('01-20-2008'))
         self.assertEqual('2008-01-20', hxl.datatypes.normalise_date('20-01-2008'))
         self.assertEqual('2008-01', hxl.datatypes.normalise_date('Jan 2008'))
+
+        # test no exception
+        hxl.datatypes.normalise_date('30')