birdnotes.py: Objects to represent bird note files

# - - -   D a y S u m m a r y . a d d L o c

    def addLoc ( self, loc ):
        """Add a location.
        """
        if  self.__locCodeMap.has_key ( loc.code ):
            raise KeyError, ( "Duplicate location code '%s'" %
                              loc.code )
        self.__locCodeMap[loc.code]  =  loc