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1 #! /usr/bin/env python |
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2 |
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3 # Calculate your unbirthday count (see Alice in Wonderland). |
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4 # This is defined as the number of days from your birth until today |
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5 # that weren't your birthday. (The day you were born is not counted). |
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6 # Leap years make it interesting. |
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7 |
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8 import sys |
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9 import time |
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10 import calendar |
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11 |
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12 def main(): |
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13 # Note that the range checks below also check for bad types, |
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14 # e.g. 3.14 or (). However syntactically invalid replies |
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15 # will raise an exception. |
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16 if sys.argv[1:]: |
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17 year = int(sys.argv[1]) |
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18 else: |
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19 year = int(raw_input('In which year were you born? ')) |
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20 if 0<=year<100: |
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21 print "I'll assume that by", year, |
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22 year = year + 1900 |
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23 print 'you mean', year, 'and not the early Christian era' |
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24 elif not (1850<=year<=2002): |
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25 print "It's hard to believe you were born in", year |
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26 return |
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27 # |
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28 if sys.argv[2:]: |
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29 month = int(sys.argv[2]) |
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30 else: |
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31 month = int(raw_input('And in which month? (1-12) ')) |
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32 if not (1<=month<=12): |
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33 print 'There is no month numbered', month |
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34 return |
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35 # |
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36 if sys.argv[3:]: |
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37 day = int(sys.argv[3]) |
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38 else: |
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39 day = int(raw_input('And on what day of that month? (1-31) ')) |
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40 if month == 2 and calendar.isleap(year): |
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41 maxday = 29 |
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42 else: |
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43 maxday = calendar.mdays[month] |
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44 if not (1<=day<=maxday): |
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45 print 'There are no', day, 'days in that month!' |
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46 return |
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47 # |
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48 bdaytuple = (year, month, day) |
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49 bdaydate = mkdate(bdaytuple) |
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50 print 'You were born on', format(bdaytuple) |
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51 # |
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52 todaytuple = time.localtime()[:3] |
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53 todaydate = mkdate(todaytuple) |
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54 print 'Today is', format(todaytuple) |
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55 # |
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56 if bdaytuple > todaytuple: |
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57 print 'You are a time traveler. Go back to the future!' |
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58 return |
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59 # |
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60 if bdaytuple == todaytuple: |
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61 print 'You were born today. Have a nice life!' |
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62 return |
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63 # |
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64 days = todaydate - bdaydate |
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65 print 'You have lived', days, 'days' |
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66 # |
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67 age = 0 |
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68 for y in range(year, todaytuple[0] + 1): |
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69 if bdaytuple < (y, month, day) <= todaytuple: |
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70 age = age + 1 |
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71 # |
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72 print 'You are', age, 'years old' |
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73 # |
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74 if todaytuple[1:] == bdaytuple[1:]: |
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75 print 'Congratulations! Today is your', nth(age), 'birthday' |
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76 print 'Yesterday was your', |
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77 else: |
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78 print 'Today is your', |
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79 print nth(days - age), 'unbirthday' |
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80 |
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81 def format((year, month, day)): |
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82 return '%d %s %d' % (day, calendar.month_name[month], year) |
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83 |
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84 def nth(n): |
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85 if n == 1: return '1st' |
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86 if n == 2: return '2nd' |
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87 if n == 3: return '3rd' |
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88 return '%dth' % n |
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89 |
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90 def mkdate((year, month, day)): |
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91 # Januari 1st, in 0 A.D. is arbitrarily defined to be day 1, |
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92 # even though that day never actually existed and the calendar |
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93 # was different then... |
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94 days = year*365 # years, roughly |
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95 days = days + (year+3)//4 # plus leap years, roughly |
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96 days = days - (year+99)//100 # minus non-leap years every century |
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97 days = days + (year+399)//400 # plus leap years every 4 centirues |
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98 for i in range(1, month): |
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99 if i == 2 and calendar.isleap(year): |
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100 days = days + 29 |
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101 else: |
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102 days = days + calendar.mdays[i] |
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103 days = days + day |
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104 return days |
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105 |
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106 if __name__ == "__main__": |
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107 main() |