def wall():
    form = FORM(INPUT(_type='submit'), _action=(db.auth_user.dp=name))
    return locals()

I figured out this too doesn't work.
Can you please tell me the exact code to upload an image into 
db.auth_user.dp?

On Tuesday, December 15, 2015 at 12:18:38 PM UTC+5:30, RAGHIB R wrote:
>
> I have created wall.html where users can edit their dp (display picture). 
> And I added extra field for dp in auth: 
> auth = Auth(db)
> auth.settings.extra_fields['auth_user']= [
>     Field('dp', type='upload' ),
>     ]
>
>
> wall is:
>
> def wall():
>     form = SQLFORM(db.auth_user.dp).process()
>     return locals
>
>
> but when i open user.html, it says:
> <type 'exceptions.AttributeError'> 'Expression' object has no attribute 
> 'writable'
>
>
> how do I correct this?
>

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