Think! (ask these questions in your view, and think of how to handle it; then think if there is any better place to handle it; then decide --- T H I N K!!! ;-)
On Fri, Oct 9, 2009 at 9:40 PM, ed <[email protected]> wrote: > > Hi Massimo, > Your suggestion is very neat and beyond my limited web2py knowledge: > > -------------------------------------------------------------------------------- > Mind that you do not need anything like this if your purpose is login. > In that case web2py already provides method for login and the user > info is simply in > {{=auth.user.first_name}} {{=auth.user.last_name}} > > ------------------------------------------------------------------------------ > I tried the above code in the View <p> Hi, {{=auth.user.first_name}}</ > p> unfortunately got an error; > AttributeError: 'NoneType' object has no attribute 'first_name' > > ------------------------------------------------------------------------------- > I searched and found this at Mark Mail: > auth.user.id -- this is the global variable 'auth' which has a > variable named 'user' which in turn has a named variable called > 'id'. This variable is valid only after a user is logged on and it > refers to the id of the current user. If no one is logged in, > auth.user does not exist and has the value of 'None'. But None has no > named variable 'id' so you get an error if you try to use it. > > ------------------------------------------------------------------------------ > So, definitely with the following Controller code i was not able to > logged in since my View encountered an "Attribute error: Nonetype > object has no attribute 'first_name' " and failed to display > {{=auth.user.first_name}}? The following is the actual code: > Controller: > def user: > if request.args(0)=='login': > form = SQLFORM.factory( > Field('emailad', 'emailad',requires=[IS_LENGTH > (maxsize=30,error_message='Maximum length 30 chars..'),IS_EMAIL(), > IS_IN_DB(db,'auth_user.email',error_message='Email address does not > exist.')], required=True, label='Email Address'), > Field('password', 'password', requires=[IS_IN_DB > (db,'auth_user.password',error_message='Password is not the > same.')],label='Password')) > form[0][-1][1].append(INPUT > (_type='button',_value='Cancel',_onclick="window.location='%s';"%URL > (r=request,f='index'))) > > if form.accepts(request.vars, session): > em=request.vars.emailad > session.flash = 'You are now logged in %s .' % > name > redirect(URL(r=request,f='loggedin')) > return dict(form=form) > View: > {{extend 'layout2.html'}} > <p> > <p><h3>Hi {{=auth.user.first_name}}</h3></p> > <p> > ................. > Massimo, i tried to adopt your code but an error was encountered > during the run. What shall i do to adopt your code which is very > simple? Thank you again for your patience and very prompt responses. > > On Oct 9, 8:59 pm, mdipierro <[email protected]> wrote: > > Something like this? > > > > def page1(): > > form=SQLFORM.factory(Field('email',requires=IS_IN_DB > > (db,'auth_user.email'))) > > if form.accepts(request.vars, session): > > redirect(URL(r=request,f='page2',dict(em=form.vars.email)) > > return dict(form=form) > > > > {{extend 'layout.html'}}{{=form}} > > > > def page2(): > > rows=db(db.auth_user.email==request.vars.em).select() > > if not rows: redirect(URL(r=request,f='page1')) > > return dict(name=rows.first().first_name) > > > > {{extend 'layout.html'}}Hello {{=name}} > > > > Mind that you do not need anything like this if your purpose is login. > > In that case web2py already provides method for login and the user > > info is simply in > > {{=auth.user.first_name}} {{=auth.user.last_name}} > > > > On Oct 9, 1:34 am, ed <[email protected]> wrote: > > > > > Hi Massimo, > > > Okay, redirect returns page but without any variable. Any hint how to > > > render a page name "loggedin" that says; "Hi Ed, welcome!" after a > > > succesful login using the code i created?. Sorry, i'm a newbie with > > > very limited web2py knowledge and stucked on this. Thank you in > > > advance Massimo. > > > > > On Oct 9, 11:58 am, mdipierro <[email protected]> wrote: > > > > > > mind that redirect is a function that raises an HTTP exception which > > > > causes the server to send and HTTP 303 response. redirect never > > > > returns and your view is never rendered. > > > > > > Massimo > > > > > > On Oct 8, 9:22 pm, ed <[email protected]> wrote: > > > > > > > The display went well because i filled a session with a constant > "Ed" > > > > > and not a result of a db().select(). So, the constant variable was > > > > > displayed without a hitch. When i used db().select() the display > went > > > > > like: > > > > > [{'first_name': 'Ed'}] > > > > > The above display is the result of the following code: > > > > > Controller: > > > > > if form.accepts(request.vars, session): > > > > > em=request.vars.emailad > > > > > name1 = > db(db.auth_user.email==em).select(db.auth_user.first_name) > > > > > [0] > > > > > name=name1.first_name > > > > > return dict(red=redirect(URL(r=request,f='loggedin')), > name=name) > > > > > .................. > > > > > View: > > > > > {{extend 'layout2.html'}} > > > > > <p> > > > > > <p><h3>Hi {{=name}}</h3></p> > > > > > <p> > > > > > ................. > > > > > This was the result of the view, "Hi [{'first_name': 'Ed'}]". I've > > > > > googled and searched the manual and tried examples but to no avail. > > > > > Thanks in advance. > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py-users" group. 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