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#1
May 10th, 2004, 07:13 PM
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Valid Year
Hi, I am trying to find out how to check if it's a valid year or not i.e. above 1950 and not greater than the current. I have a string in which the first four characters need to be a valid Year. So I am extracting the first four characters and now I need see if all the characters are valid digits and then check for the validity of the year. Any built-in functions I can use or any ideas thanks for help.
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#2
May 10th, 2004, 07:41 PM
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Code:
import time
def valid_date(s):
dtnow = time.localtime()
year = dtnow[0]
try:
y = int(s)
if y > 1950 and y < year:
return 1
except ValueError:
pass
return 0
print valid_date("1984")
print valid_date("abc")
print valid_date("2007")
__________________
Up the Irons What Would Jimi Do? Smash amps. Burn guitar. Take the groupies home. "Death Before Dishonour, my Friends!!" - Bruce D ickinson, Iron Maiden Aug 20, 2005 @ OzzFest Down with Sharon Osbourne Puzzle of the Month solved by Keath and KevinADC, superior perl programmers of the month
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#3
May 11th, 2004, 03:32 AM
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You might want to look at the strftime() and strptime() functions in the time module - i've had alot of fun playing with date formats like this before. Anyway these two are definatly good for comparing/playign with times!
http://www.python.org/doc/2.3.3/lib/module-time.html Take care, Mark.
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