def getiter(self, sheetname, returnlist=False, returntupledate=False):
        """ Return an generator object which yields the lines of a worksheet;
        Default returns a dictionary, specifing returnlist=True causes lists
        to be returned.  Calling returntupledate=True causes dates to returned
        as tuples of (Year, Month, Day, Hour, Min, Second) instead of as a
        string """
        if sheetname not in self.__sheets__.keys():
            raise NameError, "%s is not present in %s" % (sheetname,\
                                                          self.__filename__)
        if returnlist:
            return __iterlist__(self, sheetname, returntupledate)
        else:
            return __iterdict__(self, sheetname, returntupledate)
 Return an generator object which yields the lines of a worksheet;
        Default returns a dictionary, specifing returnlist=True causes lists
        to be returned.  Calling returntupledate=True causes dates to returned
        as tuples of (Year, Month, Day, Hour, Min, Second) instead of as a
        string 
recipes/Python/483742_Easy_Cross_Platform_Excel_Parsing/recipe-483742.py