Just two questions for my edification:
1. Why did HTTP get grouped into exceptions
2. Is there a security reason not to catch all non-http exceptions, ie
except EXCEPTION
On Tue, Dec 23, 2014 at 3:28 PM, Mark Billion <markbill...@gmail.com> wrote:
> Thanks guys -- that makes a ton of sense. I really appreciate it.
>
> On Tue, Dec 23, 2014 at 2:54 PM, Anthony <abasta...@gmail.com> wrote:
>
>> More specifically, when you provide the "next" argument to
>> SQLFORM.process(), it ultimately calls redirect(), which raises an HTTP
>> exception. If you put the .process() call inside a try/except, that HTTP
>> exception will get caught, and in your case, you are then ignoring it. We
>> should probably spell this out more clearly in the book.
>>
>> You could instead do something like:
>>
>> except Exception as e:
>> if isinstance(e, HTTP):
>> raise e # re-raise the exception in case of a redirect
>> redirect(URL('index'))
>>
>> But generally it is much better to catch specific exceptions.
>>
>> Anthony
>>
>>
>> On Tuesday, December 23, 2014 2:44:57 PM UTC-5, Niphlod wrote:
>>>
>>> are you aware that in web2py any HTTP is a subclass of exception ?
>>> Never, never, never use an exception without specifying what exception your
>>> code may raise.
>>>
>>> On Tuesday, December 23, 2014 7:34:45 PM UTC+1, Mark Billion wrote:
>>>>
>>>> Why are you using an except without specifying the exception? Trying to
>>>> catch all possible exceptions.
>>>>
>>>> On Tuesday, December 23, 2014 1:31:21 PM UTC-5, Leonel Câmara wrote:
>>>>>
>>>>> Why are you using an except without specifying the exception? Anyway
>>>>> just do this:
>>>>>
>>>>> @auth.requires_login()
>>>>> def cli_add():
>>>>> db.client.au_usr.default = auth.user_id
>>>>> form = SQLFORM(db.client, fields = ['d_fn', 'd_ln', 'd_aka',
>>>>> 'd_ss'], labels = {'d_ss': 'Social Security', 'd_aka': 'Any Aliases',
>>>>> 'd_65': 'Older than 65'}).process(next=URL('clients'))
>>>>> return dict(form=form)
>>>>>
>>>>> --
>> Resources:
>> - http://web2py.com
>> - http://web2py.com/book (Documentation)
>> - http://github.com/web2py/web2py (Source code)
>> - https://code.google.com/p/web2py/issues/list (Report Issues)
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>
>
>
> --
> Mark M. Billion
> 1904 N. Lincoln
> Wilmington, DE 19806
> 302.416.2199
>
--
Mark M. Billion
1904 N. Lincoln
Wilmington, DE 19806
302.416.2199
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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