[PyFeyn] Issues running examples on

[George S. Williams]

Hello, Farias,

There is a bug in PyFeyn 0.3.4 that causes this problem using PyX0.12. 
The problem is fixed in the SVN, but it still needs to be packaged for 
release.

I have a zip of the current SVN available at-

     https://users.hepforge.org/~websterling/ftp/pyfeyn-0.3.5.zip

If you replace your version with this one, everything should work fine.

Best,
George S. Williams




On 12/27/2015 6:36 AM, Antonio Carlos Amaro de Faria Junior wrote:
>
> Dear Pyfeyn developers,
>
> I thank you in advance for any assistance you may be able to offer 
> with my problem. I would like to use PyFeyn on a project as it looks 
> like it will be extremely useful for my work on this.
>
> I tried to run your examples and am, in all cases receiving an error 
> on the call of FeynDiagram().Draw()
>
> See stack trace for the Higgs Loop example below:
>
> Traceback (most recent call last):
>   File "test1.py", line 15, in <module>
>     fd.draw("pyfeyn-test1.pdf")
>   File "build/bdist.macosx-10.9-intel/egg/pyfeyn/diagrams.py", line 
> 69, in draw
>   File "build/bdist.macosx-10.9-intel/egg/pyfeyn/diagrams.py", line 
> 61, in drawToCanvas
>   File "build/bdist.macosx-10.9-intel/egg/pyfeyn/lines.py", line 329, 
> in draw
>   File 
> "/Library/Python/2.7/site-packages/PyX-0.12-py2.7.egg/pyx/canvas.py", 
> line 298, in stroke
>     self.draw(path, [deco.stroked]+list(attrs))
>   File 
> "/Library/Python/2.7/site-packages/PyX-0.12-py2.7.egg/pyx/canvas.py", 
> line 284, in draw
>     adeco.decorate(dp, self.texrunner)
>   File "build/bdist.macosx-10.9-intel/egg/pyfeyn/deco.py", line 46, in 
> decorate
>   File "build/bdist.macosx-10.9-intel/egg/pyfeyn/deco.py", line 16, in 
> getarrowpath
> NameError: global name 'self' is not defined
>
> I am running Python 2.7.5 with pyX 0.12 and PyFeyn 0.3.4. on Mac OSX 
> 10.9 Is there a possible version conflict? I’ll be happy to try other 
> versions if applicable.
>
> Many thanks,
>
> Farias
>
>
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> PyFeyn at projects.hepforge.org
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