bob gailer wrote:
Eric Dorsey wrote:
Greetings,
I have a program where I ask a user to enter a date in format YYYY-MM-DD, and get a string like: '2008-10-25'

Can anyone tell me how I would verify this is a real date before allowing it to be passed on to the next part of the program?

Take a look at the time module and it's strptime function.

>>> import time
>>> time.strptime("2008-10-25", "%Y-%m-%d")  ## CORRECTED
(2008, 10, 25, 0, 0, 0, 5, 299, -1)
>>> time.strptime("2008-10-125", "%Y-%m-%d")
Traceback (most recent call last):
 File "<interactive input>", line 1, in <module>
 File "H:\Python25\lib\_strptime.py", line 313, in strptime
   data_string[found.end():])
ValueError: unconverted data remains: 5



--
Bob Gailer
Chapel Hill NC 919-636-4239

When we take the time to be aware of our feelings and needs we have more satisfying interatctions with others.

Nonviolent Communication provides tools for this awareness.

As a coach and trainer I can assist you in learning this process.

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