I do not remember but please open a ticket and I will look at this asap. On Tuesday, 18 November 2014 02:02:53 UTC-6, Manuele wrote: > > Il 18/11/14 05:54, Massimo Di Pierro ha scritto: > > Problem is that IS_LIST_OF experts to validate a list. Instead you are > passing "" (not a list) and None (also not a list). > I agree that it is odd that interprets '' as [] and None as [None]. > They should either be interpreted as [''] and [None] or both as an empty > list. > > Your proposed fix makes sense and I would take a patch. > > Thank you Massimo! > > the problem is that every time you don't insert any value in the field a > null string is validated (i.e. ""). > As I can see from code[1] it seams to me the validator expects any kind of > value and if it's not a list/tuple it insert into a list and validate it. > Another problem is that[2] if the result of the operation > str(item).strip() is evaluated as False any validation is applied... so > there's no way to oblige the user not to pass a null value (i.e. to insert > any value). > > Could it be ehough to remove the line 2520[2]? Why it has been introduced? > > Cheers > > Manuele > > > [1] https://github.com/web2py/web2py/blob/master/gluon/validators.py#L2508 > [2] https://github.com/web2py/web2py/blob/master/gluon/validators.py#L2520 >
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