application processor returning page with "function <lambda>..." - web.py

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Message from discussion application processor returning page with "function <lambda>..."
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Date: Thu, 27 Sep 2012 15:01:40 -0400
Message-ID: <CAF_rn3=Y0CwBM4k-9NS-13oPNtqEsUBLPCc_cnUZH++AuMe...@mail.gmail.com>
Subject: Re: [webpy] application processor returning page with "function <lambda>..."
From: Jason Macgowan <jasonmacgo...@gmail.com>
To: webpy@googlegroups.com
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You're returning an instance of a function instead of the value of the
function.  Change "return handle" to return handle()

On Mon, Sep 24, 2012 at 8:02 AM, Bill Seitz <flux...@gmail.com> wrote:

> I'm trying to stick an application processor in my app to check whether
> the user is logged in. The code is:
>
> def check_authorized(handle):
>     path = web.ctx.path
>     if path in ('/login', '/register'):
>     return handle
>     if not session.has_key('user_id'):
>         web.debug('check_authorized: no session user_id')
>         raise web.seeother('/static/splash.html')
>     return handle
> app.add_processor(check_authorized)
>
> When I hit the "normal" pages I get bounced to the splash page nicely.
>
> But when I hit /login or /register I get a page whose entire contents are:
> <function <lambda> at 0x101bd6578>
>
> What stupid mistake am I making?
>
>  --
> You received this message because you are subscribed to the Google Groups
> "web.py" group.
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> https://groups.google.com/d/msg/webpy/-/K9DkQ-NkcQ4J.
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>

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You&#39;re returning an instance of a function instead of the value of the =
function.=A0 Change &quot;return handle&quot; to return handle()<br><br><di=
v class=3D"gmail_quote">On Mon, Sep 24, 2012 at 8:02 AM, Bill Seitz <span d=
ir=3D"ltr">&lt;<a href=3D"mailto:flux...@gmail.com" target=3D"_blank">fluxe=
n...@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">I&#39;m trying to stick an application proce=
ssor in my app to check whether the user is logged in. The code is:<div><br=
>
</div><div><div>def check_authorized(handle):</div><div>=A0 =A0 path =3D we=
b.ctx.path</div><div>=A0 =A0 if path in (&#39;/login&#39;, &#39;/register&#=
39;):</div><div>=A0 =A0 <span style=3D"white-space:pre-wrap">	</span>return=
 handle</div>
<div>=A0 =A0 if not session.has_key(&#39;user_id&#39;):</div><div>=A0 =A0 =
=A0 =A0 web.debug(&#39;check_authorized: no session user_id&#39;)</div><div=
>=A0 =A0 =A0 =A0 raise web.seeother(&#39;/static/splash.html&#39;)</div><di=
v>=A0 =A0 return handle<br>
</div><div>app.add_processor(check_authorized)</div></div><div><br></div><d=
iv>When I hit the &quot;normal&quot; pages I get bounced to the splash page=
 nicely.</div><div><br></div><div>But when I hit /login or /register I get =
a page whose entire contents are:</div>
<div><table><tbody><tr><td></td><td>&lt;function &lt;lambda&gt; at 0x101bd6=
578&gt;<br><br>What stupid mistake am I making?<span class=3D"HOEnZb"><font=
 color=3D"#888888"><br><br></font></span></td></tr></tbody></table></div><s=
pan class=3D"HOEnZb"><font color=3D"#888888">

<p></p>

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</font></span></blockquote></div><br>

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