code: def _evalDateStr(self, datetimeString, sourceTime):
          
          s = datetimeString.strip()
          sourceTime = self._evalDT(datetimeString, sourceTime)
  
          # Given string is in the format  "May 23rd, 2005"
          debug and log.debug('checking for MMM DD YYYY')
          return self.parseDateText(s, sourceTime)
docs: Evaluate text passed by L{_partialParseDateStr()}