Path: csiph.com!usenet.pasdenom.info!gegeweb.org!usenet-fr.net!nerim.net!novso.com!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.000 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'case.': 0.05; 'method.': 0.05; 'mrab': 0.05; 'thats': 0.07; 'try:': 0.07; 'accepts': 0.09; 'be:': 0.09; 'input,': 0.09; 'object;': 0.09; 'parsed': 0.09; 'subject:skip:a 10': 0.09; 'result.': 0.15; "%y'": 0.16; "'%d": 0.16; 'personally,': 0.16; 'received:your-server.de': 0.16; 'wrote:': 0.17; 'string,': 0.17; 'thu,': 0.17; 'feb': 0.19; 'import': 0.21; 'defined': 0.22; 'posted': 0.22; "i'd": 0.22; 'script': 0.24; 'header:In-Reply-To:1': 0.25; 'header:User- Agent:1': 0.26; "doesn't": 0.28; 'post': 0.28; '+0100,': 0.29; 'cgi': 0.29; 'crash': 0.29; 'convert': 0.29; 'this.': 0.29; 'that.': 0.30; 'correctly.': 0.33; 'to:addr:python-list': 0.33; "can't": 0.34; 'entered': 0.34; 'wrong': 0.34; 'michael': 0.36; 'but': 0.36; 'should': 0.36; 'subject:: ': 0.38; 'store': 0.38; 'sure': 0.38; 'to:addr:python.org': 0.39; 'end': 0.40; 'think': 0.40; 'your': 0.60; 'show': 0.63; 'date,': 0.65; '8bit%:100': 0.70; '8bit%:92': 0.70; '2013': 0.84 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes To: python-list@python.org Subject: Re: Checking for valid date input and convert appropriately References: <92536c34-cf00-4497-b646-ab79fa4ee062@googlegroups.com> Date: Thu, 21 Feb 2013 23:03:59 +0100 MIME-Version: 1.0 Content-Transfer-Encoding: Quoted-Printable From: "Michael Ross" In-Reply-To: User-Agent: Opera Mail/12.14 (Win32) X-Authenticated-Sender: gmx@ross.cx X-Virus-Scanned: Clear (ClamAV 0.97.5/16715/Thu Feb 21 19:19:03 2013) X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 89 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1361485261 news.xs4all.nl 6897 [2001:888:2000:d::a6]:51364 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:39474 On Thu, 21 Feb 2013 22:22:15 +0100, Ferrous Cranus = wrote: > =CE=A4=CE=B7 =CE=A0=CE=AD=CE=BC=CF=80=CF=84=CE=B7, 21 =CE=A6=CE=B5=CE=B2= =CF=81=CE=BF=CF=85=CE=B1=CF=81=CE=AF=CE=BF=CF=85 2013 10:14:13 =CE=BC.=CE= =BC. UTC+2, =CE=BF =CF=87=CF=81=CE=AE=CF=83=CF=84=CE=B7=CF=82 MRAB = > =CE=AD=CE=B3=CF=81=CE=B1=CF=88=CE=B5: >> 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 =3D 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 da= te = > 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 ca= n = > use tr: expect: but i want to avoid it, somehow i need to check the da= te = > 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 2=C3=9F13 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. Michael