snapshot...

files.py

@@ -130,3 +130,13 @@ class Files:
         self._current_index = 0
         raise StopIteration
 
+class CrIS_Retrieval(Files):
+    def __init__(self, files_path, file_time_span=8, pattern='CrIS_*atm_prof_rtv.h5'):
+        super().__init__(files_path, file_time_span, pattern)
+
+    def get_datetime(self, pathname):
+        filename = os.path.split(pathname)[1]
+        dt_str = re.search('_d.{14}', filename).group(0)
+        dto = datetime.datetime.strptime(dt_str, '_d%Y%m%d_t%H%M').replace(tzinfo=timezone.utc)
+        return dto
+