Mercurial > rinkhals
annotate gamelib/eegg.py @ 592:441077fab928
Easter egg.
| author | Jeremy Thurgood <firxen@gmail.com> |
|---|---|
| date | Sat, 28 Nov 2009 23:37:10 +0000 |
| parents | |
| children |
| rev | line source |
|---|---|
| 592 | 1 import datetime |
| 2 | |
| 3 def calc_eggday(y): | |
| 4 g = y % 19 | |
| 5 e = 0 | |
| 6 c = y/100 | |
| 7 h = (c-c/4-(8*c+13)/25+19*g+15)%30 | |
| 8 i = h-(h/28)*(1-(h/28)*(29/(h+1))*((21-g)/11)) | |
| 9 j = (y+y/4+i+2-c+c/4)%7 | |
| 10 p = i-j+e | |
| 11 d = 1+(p+27+(p+6)/40)%31 | |
| 12 m = 3+(p+26)/30 | |
| 13 return datetime.date(y,m,d) | |
| 14 | |
| 15 def is_eggday(): | |
| 16 today = datetime.date.today() | |
| 17 return today == calc_eggday(today.year) |