--- orgparser.py	2011-08-17 11:19:25.180715783 -0400
+++ newparser.py	2011-08-17 11:19:07.338833330 -0400
@@ -292,6 +292,24 @@
     def __init__(self, info=None):
         self.info = info or parserinfo()
 
+    def interval_precision(self, timestr, default=None,
+                    ignoretz=False, tzinfos=None,
+                    **kwargs):
+        if not default:
+            default = datetime.datetime.now().replace(hour=0, minute=0,
+                                                      second=0, microsecond=0)
+        res = self._parse(timestr, **kwargs)
+        if res is None:
+            raise ValueError, "unknown string format"
+        repl = {}
+        for attr in ["year", "month", "day", "hour",
+                     "minute", "second", "microsecond"]:
+            value = getattr(res, attr)
+            if value is not None:
+                repl[attr] = value
+                detail = attr
+        return detail
+
     def parse(self, timestr, default=None,
                     ignoretz=False, tzinfos=None,
                     **kwargs):
@@ -696,6 +714,12 @@
     else:
         return DEFAULTPARSER.parse(timestr, **kwargs)
 
+def interval_precision(timestr, parserinfo=None, **kwargs):
+    if parserinfo:
+        return parser(parserinfo).interval_precision(timestr, **kwargs)
+    else:
+        return DEFAULTPARSER.interval_precision(timestr, **kwargs)
+
 
 class _tzparser(object):