On Mar 23, 5:21 am, Kenneth Lundström <kenneth.t.lundst...@gmail.com>
wrote:
> In your controller/default.py you probably have function defined as:
>
> def download(): return response.download(request,db)
>
> To view a picture do something like this in your controller:
> record = db(db.t_student.id == 2).select()
> if len(record):
> record = record[0]
>
> return dict(record=record)
>
Thanks for your response,
In the code I have (created by the wizard)
record = db.t_student(request.args(0)) or redirect(URL('error'))
Am I correct in thinking this return a "row" and can I ge the image by
doing something like
image = record['f_image']
Thanks
Vincent
> In View:
> {{=TAG.img(_width=90, _src=URL(r=request, c='default', f='download',
> args=[record.f_image]))}}
>
> What I do when users are uploading pictures is to create a thumbnail of
> that picture and usually only show that thumbnail.
>
> Kenneth
>
>
>
>
>
>
>
> > I have used the wizard to start working on an app. one of the tabled
> > upload an file (image). How should I modify the view/control to
> > display the image? The view and control and db are those created by
> > the wizard but I have pasted them below.
> > What is the recommended way to require the uploaded file be a jpg?
> > I assume what I am asking is documented somewhere I just could not
> > find it. What should I be reading to know more about images and
> > web2py?
>
> > db.define_table('t_student',
> > Field('id','id',
> > represent=lambda id:SPAN(id,'
> > ',A('view',_href=URL('student_read',args=id)))),
> > Field('f_first_name', type='string', notnull=True,
> > label=T('First Name')),
> > <SNIP>
> > Field('f_image', type='upload',
> > represent=lambda x: x and
> > A('download',_href=URL('download',args=x)) or '',
> > label=T('Image')),
> > <SNIP>
>
> > CONTROLLER
> > @auth.requires_login()
> > def student_read():
> > record = db.t_student(request.args(0)) or redirect(URL('error'))
> > form=crud.read(db.t_student,record)
> > return dict(form=form)
>
> > VIEW
> > {{extend 'layout.html'}}
>
> > <h2>Read student</h2>
> > {{=A(T('edit
> > student'),_href=URL('student_update',args=request.args(0)))}}
> > <br/>
>
> > {{=form}}
> > {{for t,f in db.t_student._referenced_by:}}{{if not
> > t[-8:]=='_archive':}}
> > [{{=A(t[2:],_href=URL('%s_select'%t[2:],args=(f,form.record.id)))}}]
> > {{pass}}{{pass}}
>
> > Thanks
> > Vincent
