Re: NameError when generating Python code

On Thu, Apr 16, 2009 at 06:17:51PM +0100, Martin Skøtt wrote:
>    Hi,
> 
>    I'm trying to use Cheetah 2.1.0.1 to generate some Python stub classes,
>    but I have encountered a problem which to me looks like Cheetah is
>    actually evaluating the code I generate. Here is the error I get: (Python
>    2.6 on Win XP):
>    Traceback (most recent call last):
>      File "stubGen.py", line 64, in <module>
>        print(t)
>      File "C:\Python26\Lib\site-
>    packages\Cheetah\Template.py", line 982, in __str__
>        def __str__(self): return getattr(self, mainMethName)()
>      File "_HOME_Generator_src_templates_class_tmpl.py", line 89, in respond
>    NameError: global name 'BaseClass' is not defined
> 
>    Here is the template I'm using:
>    from BaseClass import BaseClass
>    class $module.module(BaseClass):
>        pass
> 
>    If I comment out (##) the two first lines it works fine. Any suggestions
>    on how to solve this?

For the list's benefit, this was not an error in recent releases of
Cheetah, but in fact a problem with the syntax of Martin's calls

The template markup:
	class $module.module(BaseClass)

Was resulting in the NameMapper trying to call $module.module with the
argument 'BaseClass'.

The correct way to write the code above would be to:

	class ${module.module}(BaseClass) 

To avoid the NameMapper getting mixed up with what you're trying to do


Cheers
-- 
-R. Tyler Ballance
Slide, Inc.

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