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

[Kent Johnson]

On Thu, May 14, 2009 at 3:20 PM,  <mobiledreamers at gmail.com> 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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