good catch. Let me think about this...
On Jan 12, 1:12 am, kenji4569 <hos...@s-cubism.jp> wrote: > I applied the follwing validators for upload fields in version 1.91.6: > > requires = [ > IS_NULL_OR(IS_UPLOAD_FILENAME(extension='pdf')), > IS_NULL_OR(IS_LENGTH(1048576, 1024)), > ] > > Everything was fine until I used a SQLFORM object with an upload > keyword for editing. > > Then, a delete checkbox of an upload widget falsely disappeared which > should be displayed with a link to the uploaded file. > > This is the result of the code in UploadWidget class of gluon/ > sqlhtml.py: > > if requires == [] or isinstance(requires, IS_EMPTY_OR): > inp = DIV(, ..., > UploadWidget.ID_DELETE_SUFFIX), > ...) > > And, the next patch would tentatively fix the problem: > > if (requires == [] or isinstance(requires, IS_EMPTY_OR) or > (isinstance(requires, (list, tuple)) and > reduce(lambda a,b:a&b, [isinstance(r, IS_EMPTY_OR) for r in > requires]))): > ... > > But, I am not sure if the above patch is smart. > Is there any way to implement such validation without patches nor > custom validators?
