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Groups > comp.lang.python > #39492
| Subject | Re: Checking for valid date input and convert appropriately |
|---|---|
| References | <92536c34-cf00-4497-b646-ab79fa4ee062@googlegroups.com> <mailman.2190.1361477655.2939.python-list@python.org> <ca0a0004-2504-486f-9a82-3d1f6234932b@googlegroups.com> <mailman.2206.1361485261.2939.python-list@python.org> <5bac38bb-df2e-47b8-96dd-2b1c090959e4@googlegroups.com> |
| Date | 2013-02-22 00:37 +0100 |
| From | "Michael Ross" <gmx@ross.cx> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.2216.1361489840.2939.python-list@python.org> (permalink) |
On Fri, 22 Feb 2013 00:08:01 +0100, Ferrous Cranus <nikos.gr33k@gmail.com> wrote: > Τη Παρασκευή, 22 Φεβρουαρίου 2013 12:03:59 π.μ. UTC+2, ο χρήστης Michael > Ross έγραψε: >> On Thu, 21 Feb 2013 22:22:15 +0100, Ferrous Cranus >> <nikos.gr33k@gmail.com> >> >> wrote: >> >> >> >> > Τη Πέμπτη, 21 Φεβρουαρίου 2013 10:14:13 μ.μ. UTC+2, ο χρήστης MRAB >> >> > έγραψε: >> >> >> 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. >> >> > >> >> > I don't need to store the date i just want to make sure is entered >> >> > correctly. >> >> > I would like to have the user type the date like >> >> > >> >> > 21 02 2013 >> >> > and then convert it to 2013-02-21 because thats how mysql wants the >> date >> >> > in order to store it. >> >> > Please show me how to write this. >> >> > >> >> > Also, can you show me how to write it that if so even if the user >> >> > entered date is wrong it doesn't just crash the cgi-script?i know i >> can >> >> > use tr: expect: but i want to avoid it, somehow i need to check the >> date >> >> > in the same if statemnt like i do with the other user defined varibles >> >> > for validity. >> >> > >> >> >> >> You *have* to try/expect in order to not have the script crash. >> >> Think user typo: 21 02 2ß13 >> >> >> >> Personally, I'd use a javascript on the html so users can't POST invalid >> >> dates. >> >> I use mootools for that. It accepts 21/02/2013, 21-02-2013 and 21.02.13 >> as >> >> input, >> >> and you end up with 21.02.2013 posted to your cgi in any case. > > i just want to check for date validity from within ha same if statemnt > like i check the other variables and i tried a regualr expression just > now: > > if( task and ( price and price.isdigit() and price.__len__() <= 3 ) and > ( date and re.search( r'(\d+) (\d+) (\d+)', date ) ) ): > > Do i ahve somehting wrong in it? > > will the if become true if the user enters 21 02 2013 ? I pretend not to know, try it out? And try with invalid inputs, too: 211 02 2013 21 99 2013 31 02 2013
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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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