Merge pull request #173 from pjpokran/master

Change line 44 to include 0123 for day instead of 012

siphon/catalog.py

@@ -41,7 +41,7 @@ def __getitem__(self, item):
 class DatasetCollection(IndexableMapping):
     """Extend ``IndexableMapping`` to allow datetime-based filter queries."""
 
-    default_regex = re.compile(r'(?P<year>\d{4})(?P<month>[01]\d)(?P<day>[012]\d)_'
+    default_regex = re.compile(r'(?P<year>\d{4})(?P<month>[01]\d)(?P<day>[0123]\d)_'
                                r'(?P<hour>[012]\d)(?P<minute>[0-5]\d)')
 
     def _get_datasets_with_times(self, regex):

siphon/tests/test_catalog.py

@@ -175,6 +175,16 @@ def test_datasets_nearest_time():
     assert nearest.title == 'NAM_CONUS_20km_noaaport_20150528_1800.grib1'
 
 
+@recorder.use_cassette('top_level_20km_rap_catalog')
+def test_datasets_nearest_time_30():
+    """Test getting dataset by time; check for a day in the 30s (#gh-173)."""
+    url = ('http://thredds.ucar.edu/thredds/catalog/grib/NCEP/NAM/'
+           'CONUS_20km/noaaport/catalog.xml')
+    cat = TDSCatalog(url)
+    nearest = cat.catalog_refs.filter_time_nearest(datetime(2015, 5, 30, 11))
+    assert nearest.title == 'NAM_CONUS_20km_noaaport_20150530_1200.grib1'
+
+
 @recorder.use_cassette('top_level_20km_rap_catalog')
 def test_datasets_nearest_time_raises():
     """Test getting dataset by time using filenames."""