Is it possible to get mime-type of the uploaded object in some web2py 
manner? It would be better to work with mime-type then some letters in 
filename I think.

Mike alias Plysak  :)

mdipierro wrote:
> class IS_GIF:
>     def __init__(self,em): self.em=em
>     def __call__(self,value):
>         if value and value.filename[-4:].lower()!='.gif':
>             return (value,self.em)
>         return (value,None)
> 
> db.table.field.requires=IS_GIF()
> 
> On Mar 17, 7:45 pm, TheDude <officed...@gmail.com> wrote:
>> How would I only allow gif, png or jpeg images to be uploaded?
> > 


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