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Re: Checking for valid date input and convert appropriately

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Xref csiph.com comp.lang.python:39452

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On 2013-02-21 19:38, Ferrous Cranus wrote:
> import datetime from datetime

Should be:

from datetime import datetime

>
> try:
>      datetime.strptime( date, '%d %m %Y' )

That parses the date and discards the result.

>      date = date.strptime( '%Y-%m-%d' )

'date' is a string, it doesn't have a 'strptime' method.

When you parsed the date you got a datetime object; _that_ has the
'strptime' method.

> except ValueError:
>      print( "<h2><font color=red>H ημερομηνία πρέπει να εισαχθεί στην σωστή μορφή => 21 05 2013!" )
>      sys.exit(0)
> ================================
>
> Hello, a have an html that among other thing require the user to insert a valid date.
> The user must enter a date like "21 02 2013"
>
> a) first i need to check if the entered date was inserted properly as above
> b) convert the entered date to '%Y-%m-%d' which is an appropriate mysql date type format.
>
> Also it would be nice if i could check the user entered date within an if statement like i check all my other fields instead of creating an extra ;try' statemnt just for checking tha date
>
> =================================
> if( task and ( price and price.isdigit() and price.__len__() <= 3 ) and ( date and datetime.strptime(date, '%Y-%m-%d') ) ):
> =================================
>
> I want it to be written like the above, but if the user entered date is not valid somehow i need to catch the exception otherwise the cgi-script displays python errors.
>

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Thread

Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 11:38 -0800
  Re: Checking for valid date input and convert appropriately MRAB <python@mrabarnett.plus.com> - 2013-02-21 20:14 +0000
    Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 13:22 -0800
      Re: Checking for valid date input and convert appropriately MRAB <python@mrabarnett.plus.com> - 2013-02-21 21:46 +0000
      Re: Checking for valid date input and convert appropriately "Michael Ross" <gmx@ross.cx> - 2013-02-21 23:03 +0100
        Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 15:08 -0800
          Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 15:18 -0800
            Re: Checking for valid date input and convert appropriately Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-02-21 23:30 +0000
          Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 15:18 -0800
          Re: Checking for valid date input and convert appropriately "Michael Ross" <gmx@ross.cx> - 2013-02-22 00:37 +0100
            Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 16:12 -0800
              Re: Checking for valid date input and convert appropriately "Michael Ross" <gmx@ross.cx> - 2013-02-22 01:57 +0100
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 20:34 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 20:34 -0800
                Re: Checking for valid date input and convert appropriately rob.marshall17@gmail.com - 2013-02-21 22:20 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 02:06 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 02:06 -0800
                Re: Checking for valid date input and convert appropriately rob.marshall17@gmail.com - 2013-02-21 22:20 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 03:01 -0800
                Re: Checking for valid date input and convert appropriately Lele Gaifax <lele@metapensiero.it> - 2013-02-22 13:03 +0100
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 05:24 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 05:28 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 05:28 -0800
                Re: Checking for valid date input and convert appropriately Lele Gaifax <lele@metapensiero.it> - 2013-02-22 14:35 +0100
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 07:07 -0800
                Re: Checking for valid date input and convert appropriately Lele Gaifax <lele@metapensiero.it> - 2013-02-22 16:25 +0100
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 09:38 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 09:39 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 09:39 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 09:38 -0800
                Re: Checking for valid date input and convert appropriately Tim Chase <python.list@tim.thechases.com> - 2013-02-22 10:18 -0600
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 07:07 -0800
                Re: Checking for valid date input and convert appropriately Chris Angelico <rosuav@gmail.com> - 2013-02-23 01:03 +1100
                Re: Checking for valid date input and convert appropriately Andreas Perstinger <andipersti@gmail.com> - 2013-02-22 15:10 +0100
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 05:24 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 03:01 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 03:45 -0800
                Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-22 03:45 -0800
            Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 16:12 -0800
        Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 15:08 -0800
    Re: Checking for valid date input and convert appropriately Ferrous Cranus <nikos.gr33k@gmail.com> - 2013-02-21 13:22 -0800

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