Path 1: 1866 calls (0.84)

1 (62) 2 (62) 3 (62) 4 (62) 5 (62) 6 (62) 7 (62) 8 (61) 9 (61) 10 (61)

3 (268) 4 (268) 6 (267) 0 (266) 1 (266) 2 (266) 5 (265)

'1' (9) '2' (9) '3' (9) '4' (9) '5' (9) ' 

1def formatday(self, day, weekday):
2        """
3        Return a day as a table cell.
4        """
5        if day == 0:
6            # day outside month
7            return '<td class="%s">&nbsp;</td>' % self.cssclass_noday
8        else:
9            return '<td class="%s">%d</td>' % (self.cssclasses[weekday], day)

Path 2: 360 calls (0.16)

0 (360)

5 (53) 0 (52) 1 (52) 2 (52) 6 (51) 3 (50) 4 (50)

' ' (360) 

1def formatday(self, day, weekday):
2        """
3        Return a day as a table cell.
4        """
5        if day == 0:
6            # day outside month
7            return '<td class="%s">&nbsp;</td>' % self.cssclass_noday
8        else:
9            return '<td class="%s">%d</td>' % (self.cssclasses[weekday], day)