Various strings to dates.

[wes weston]

#!/usr/local/bin/python -O

#NOTE: add missing MONTHS; DAYS not used

import datetime
import string

dateList = ["Fri, 23 Jan 2004 00:06:15",
             "Thursday, 22 January 2004 03:15:06",
             "Thursday, January 22, 2004, 03:15:06",
             "2004, Thursday, 22 January 03:15:06"]
MONTHS = [("JANUARY",1),
           ("JAN",1),
           ("FEBRUARY",2),
           ("FEB",2),
           #etc
           ]
DAYS  = [("Monday",0),
          ("Mon",0),
          #........
          ("Thursday",3),
          ("Thur",3)
         ]
#--------------------------------------------------------------------
def GetMonthInt(mstr):
     #print "mstr=",mstr
     for t in MONTHS:
         if t[0].find(mstr) > -1:
             return t[1]
     return -1
#--------------------------------------------------------------------
class MyDateTime:
     def __init__(self,oddstr):
         tokens = oddstr.split()
         temp   = []
         for t in tokens:
             if t.find(":") > -1:
                 continue
             if t[-1] == ',':
                 t = t[:-1]
             temp.append(t)
         tokens = temp
         #for t in tokens:
         #    print t
         year  = -1
         month = -1
         day   = -1
         for t in tokens:
             if t[0] in string.digits:
                 x = int(t)
                 if x > 31:
                     year = x
                 else:
                     day  = x
                 continue
             t = t.upper()
             if t[0] in string.ascii_uppercase:
                 x = GetMonthInt(t)
                 if x <> -1:
                     month = x
                     continue
         if year > -1 and month > -1 and day > -1:
             self.Date = datetime.date(year,month,day)
         else:
             self.Date = None
     def Show(self):
         print self.Date.ctime()

#--------------------------------------------------------------------
if __name__ == '__main__':
     for date in dateList:
         dt = MyDateTime(date)
         dt.Show()