implemented : as date-separator in parser (#102)

Per [jMyles](#101) this
adds a test in pytest format with a single example. Alters COMMON
regex to include : as date-separator

Signed-off-by: Evan Mattiza <[email protected]>

Author: emattiza

pendulum/parsing/parser.py

@@ -21,8 +21,8 @@ class Parser(object):
         '    (?P<classic>'  # Classic date (YYYY-MM-DD) or ordinal (YYYY-DDD)
         '        (?P<year>\d{4})'  # Year
         '        (?P<monthday>'
-        '            (?P<monthsep>-|/)?(?P<month>\d{2})'  # Month (optional)
-        '            ((?P<daysep>-|/)?(?P<day>\d{1,2}))?'  # Day (optional)
+        '            (?P<monthsep>[-/:])?(?P<month>\d{2})'  # Month (optional)
+        '            ((?P<daysep>[-/:])?(?P<day>\d{1,2}))?'  # Day (optional)
         '        )?'
         '    )'
         '    |'

tests/parsing_test/test_parser.py

@@ -561,3 +561,15 @@ def test_invalid(self):
         text = '2012-W13-8'
 
         self.assertRaises(ParserError, Parser().parse, text)
+
+    def test_exif_edge_case(self):
+        text = '2016:12:26 15:45:28'
+
+        parsed = Parser().parse(text)
+
+        self.assertEqual(2016, parsed['year'])
+        self.assertEqual(12, parsed['month'])
+        self.assertEqual(26, parsed['day'])
+        self.assertEqual(15, parsed['hour'])
+        self.assertEqual(45, parsed['minute'])
+        self.assertEqual(28, parsed['second'])