Re: [Tutor] cheetah is extremely hard to debug - error messages are non indicative TypeError: cannot concatenate 'str' and 'int' objects (fwd)

---------- Forwarded message ----------
Date: Thu, 14 May 2009 15:40:35 -0400
From: Kent Johnson <[email protected]>
To: [email protected]
Cc: [email protected], [email protected]
Subject: Re: [Tutor] cheetah is extremely hard to debug - error messages are 	non
      indicative TypeError: cannot concatenate 'str' and 'int' objects

On Thu, May 14, 2009 at 3:20 PM,  <[email protected]> wrote:
> How do i find which variable has error in these error messages?

Generally by looking at the last source line in the traceback you can
figure it out.

IPython has an extended traceback mode that shows variables (see the
xmode magic command)
http://ipython.scipy.org/doc/stable/html/interactive/reference.html#magic-commands

Kent

>
> Nonetype  object is unsubscriptable
>
> else:return web.render('searchesnew.html')
>   File "/home/mark/work/common/web/cheetah.py", line 103, in render
>     return str(compiled_tmpl)
>   File
> "/usr/lib/python2.5/site-packages/Cheetah-2.0.1-py2.5-linux-i686.egg/Cheetah/Template.py",
> line 982, in __str__
>     def __str__(self): return getattr(self, mainMethName)()
>   File "<string>", line 323, in respond
> TypeError: cannot concatenate 'str' and 'int' objects
>
>
> --
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