[PyFeyn] PyFeyn error with fd.draw

Ian Brock brock at physik.uni-bonn.de
Tue Jun 7 11:02:46 BST 2016


Hi Georg,

Still no luck!
brock at ltbrock:~/Downloads$ python pyfeyn-test1.py 
/usr/local/texlive/2015/texmf-dist/tex/latex/hepnames/hepnicenames.sty
Traceback (most recent call last):
  File "pyfeyn-test1.py", line 26, in <module>
    fd.draw("pyfeyn-test1.pdf")
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 70, in draw
    c = self.drawToCanvas()
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 62, in drawToCanvas
    obj.draw(self.currentCanvas)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/lines.py", line 522, in draw
    ass, bs, cs = para.normpath_selfintersections(mypath.normpath(), 0.01, 0.01)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyx/deformer.py", line 1517, in normpath_selfintersections
    dist = self.dist_pt
AttributeError: 'parallel' object has no attribute 'dist_pt'

Best Regards
Ian

Ian C. Brock | Physikalisches Institut, Universität Bonn | Nußallee 12 | D-53115 Bonn
Tel. +49 228 733616 | Email: brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>



> On 07 Jun 2016, at 11:39, Georg von Hippel <hippel at uni-mainz.de> wrote:
> 
> 
> Hi Ian,
> 
> ok, I looked at the PyX source code now. Apparently it now wants three arguments (none of which are optional now), so it should be something like
> 
> para.normpath_selfintersections(mypath.normpath(), 0.01, 0.01)
> 
> assuming that the eps_comparepairs should be similar to the epsilon. Hopefully that works.
> 
> Best,
> 
>   Georg
> 
> 
> On Tue, 7 Jun 2016, Ian Brock wrote:
> 
>> Hi Georg,
>> 
>> I tried that and it did not help:
>> brock at ltbrock:~/Downloads$ python pyfeyn-test1.py
>> /usr/local/texlive/2015/texmf-dist/tex/latex/hepnames/hepnicenames.sty
>> Traceback (most recent call last):
>> File "pyfeyn-test1.py", line 26, in <module>
>>   fd.draw("pyfeyn-test1.pdf")
>> File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 70, in draw
>>   c = self.drawToCanvas()
>> File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 62, in drawToCanvas
>>   obj.draw(self.currentCanvas)
>> File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/lines.py", line 522, in draw
>>   ass, bs, cs = para.normpath_selfintersections(mypath.normpath(), 0.01)
>> TypeError: normpath_selfintersections() missing 1 required positional argument: 'eps_comparepairs'
>> 
>> Best Regards
>> Ian
>> 
>> Ian C. Brock | Physikalisches Institut, Universität Bonn | Nußallee 12 | D-53115 Bonn
>> Tel. +49 228 733616 | Email: brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>>
>> 
>> 
>> 
>>> On 07 Jun 2016, at 11:27, Georg von Hippel <hippel at uni-mainz.de <mailto:hippel at uni-mainz.de>> wrote:
>>> 
>>> 
>>> Hi Ian,
>>> 
>>> can you try removing the "epsilon=" in front of the 0.01 in lines.py:522? Maybe that's enough to get it to run with your setup.
>>> 
>>> Best,
>>> 
>>>  Georg
>>> 
>>> 
>>> On Tue, 7 Jun 2016, Ian Brock wrote:
>>> 
>>>> Hi Georg,
>>>> 
>>>> Yes, I’m sure. pyfeyn-test2.py worked! Heres the output!
>>>> 
>>>> In [1]: %run pyfeyn-test1.py
>>>> /usr/local/texlive/2015/texmf-dist/tex/latex/hepnames/hepnicenames.sty
>>>> ---------------------------------------------------------------------------
>>>> TypeError                                 Traceback (most recent call last)
>>>> /Users/brock/Downloads/pyfeyn-test1.py in <module>()
>>>>   24 glu.addParallelArrow(size=0.1, displace=0.2, sense=-1)
>>>>   25
>>>> ---> 26 fd.draw("pyfeyn-test1.pdf")
>>>> 
>>>> /opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py in draw(self, outfile, enlargement)
>>>>   68         """Draw the diagram to a file, with the filetype (EPS or PDF)
>>>>   69         derived from the file extension."""
>>>> ---> 70         c = self.drawToCanvas()
>>>>   71         if c is not None and outfile is not None:
>>>>   72             if pyxversion >= Version("0.12"):
>>>> 
>>>> /opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py in drawToCanvas(self)
>>>>   60             if config.getOptions().DEBUG:
>>>>   61                 print("Depth = ", obj.getDepth())
>>>> ---> 62             obj.draw(self.currentCanvas)
>>>>   63
>>>>   64         return self.currentCanvas
>>>> 
>>>> /opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/lines.py in draw(self, canvas)
>>>>  520         else:
>>>>  521             para = pyx.deformer.parallel(0.001)
>>>> --> 522             ass, bs, cs = para.normpath_selfintersections(mypath.normpath(), epsilon=0.01)
>>>>  523             coil_params = []
>>>>  524             for b in bs:
>>>> 
>>>> TypeError: normpath_selfintersections() missing 1 required positional argument: 'eps_comparepairs'
>>>> 
>>>> In [2]: print(pyx.__version__)
>>>> 0.13
>>>> 
>>>> Best Regards
>>>> Ian
>>>> 
>>>> Ian C. Brock | Physikalisches Institut, Universität Bonn | Nußallee 12 | D-53115 Bonn
>>>> Tel. +49 228 733616 | Email: brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>>>
>>>> 
>>>> 
>>>> 
>>>>> On 07 Jun 2016, at 10:47, Georg von Hippel <hippel at uni-mainz.de <mailto:hippel at uni-mainz.de> <mailto:hippel at uni-mainz.de <mailto:hippel at uni-mainz.de>>> wrote:
>>>>> 
>>>>> 
>>>>> Hi Ian,
>>>>> 
>>>>> PyX 0.12.x is for Python 2.x and won't work with Python 3.x. I'm confused about the error using PyX 0.13, though -- are you sure that it isn't actually using the more recent version of PyX still?
>>>>> 
>>>>> Best,
>>>>> 
>>>>> Georg
>>>>> 
>>>>> 
>>>>> On Tue, 7 Jun 2016, Ian Brock wrote:
>>>>> 
>>>>>> Hi Georg,
>>>>>> 
>>>>>> I used pip to install version PyX 0.13. I got errors from pip when trying to install 0.12.1.
>>>>>> pyfeyn-test1.py still does not work, while pyfeyn-test2.py seems to work?
>>>>>> 
>>>>>> brock at ltbrock:~/Downloads$ python pyfeyn-test1.py
>>>>>> /usr/local/texlive/2015/texmf-dist/tex/latex/hepnames/hepnicenames.sty
>>>>>> Traceback (most recent call last):
>>>>>> File "pyfeyn-test1.py", line 26, in <module>
>>>>>> fd.draw("pyfeyn-test1.pdf")
>>>>>> File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 70, in draw
>>>>>> c = self.drawToCanvas()
>>>>>> File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 62, in drawToCanvas
>>>>>> obj.draw(self.currentCanvas)
>>>>>> File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/lines.py", line 522, in draw
>>>>>> ass, bs, cs = para.normpath_selfintersections(mypath.normpath(), epsilon=0.01)
>>>>>> TypeError: normpath_selfintersections() missing 1 required positional argument: 'eps_comparepairs'
>>>>>> brock at ltbrock:~/Downloads$ python pyfeyn-test2.py
>>>>>> /usr/local/texlive/2015/texmf-dist/tex/latex/hepnames/hepnicenames.sty
>>>>>> Ignoring line 16918 in mapping file 'pdftex.map': Unknown token '<MinLibBol'
>>>>>> Ignoring line 16919 in mapping file 'pdftex.map': Unknown token '<MinLibBol'
>>>>>> Ignoring line 16920 in mapping file 'pdftex.map': Unknown token '<MinLibBol'
>>>>>> Ignoring line 16921 in mapping file 'pdftex.map': Unknown token '<MinLibBolIta'
>>>>>> Ignoring line 16922 in mapping file 'pdftex.map': Unknown token '<MinLibBolIta'
>>>>>> Ignoring line 16923 in mapping file 'pdftex.map': Unknown token '<MinLibBolIta'
>>>>>> Ignoring line 16924 in mapping file 'pdftex.map': Unknown token '<MinLibIta'
>>>>>> Ignoring line 16925 in mapping file 'pdftex.map': Unknown token '<MinLibIta'
>>>>>> Ignoring line 16926 in mapping file 'pdftex.map': Unknown token '<MinLibIta'
>>>>>> Ignoring line 16927 in mapping file 'pdftex.map': Unknown token '<MinLibReg'
>>>>>> Ignoring line 16928 in mapping file 'pdftex.map': Unknown token '<MinLibReg'
>>>>>> Ignoring line 16929 in mapping file 'pdftex.map': Unknown token '<MinLibReg'
>>>>>> 
>>>>>> Best Regards
>>>>>> Ian
>>>>>> 
>>>>>> Ian C. Brock | Physikalisches Institut, Universität Bonn | Nußallee 12 | D-53115 Bonn
>>>>>> Tel. +49 228 733616 | Email: brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>>>>
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>>> On 07 Jun 2016, at 09:48, Georg von Hippel <hippel at uni-mainz.de <mailto:hippel at uni-mainz.de> <mailto:hippel at uni-mainz.de <mailto:hippel at uni-mainz.de>> <mailto:hippel at uni-mainz.de <mailto:hippel at uni-mainz.de> <mailto:hippel at uni-mainz.de <mailto:hippel at uni-mainz.de>>>> wrote:
>>>>>>> 
>>>>>>> 
>>>>>>> Hi,
>>>>>>> 
>>>>>>> this is a perpetual annoyance with PyX -- it does not provide a stable API, and every time they publish a new version, new workaround code is needed.
>>>>>>> 
>>>>>>> Pyfeyn works with 0.12.x and 0.13.x, but apparently 0.14.x breaks yet another interface (specifically normpath_selfintersections, which appears to require an additional argument). This will need yet another workaround. Ugh.
>>>>>>> 
>>>>>>>> From the name of the required argument eps_comparepairs, I suspect it may
>>>>>>> be enough to replace the "epsilon=0.01" with simply "0.01" on line 522 of lines.py in order to make the code run (quite possibly with all version of PyX), but that needs checking.
>>>>>>> 
>>>>>>> Best,
>>>>>>> 
>>>>>>> Georg
>>>>>>> 
>>>>>>> 
>>>>>>> On Mon, 6 Jun 2016, George S. Williams wrote:
>>>>>>> 
>>>>>>>> Hey, Ian,
>>>>>>>> 
>>>>>>>> Sorry you're having a problem with PyFeyn. I think the problem is actually with PyX- they change an API and any code that relied on that API call from a previous version is broken. We've had that problem in the past.
>>>>>>>> 
>>>>>>>> Would you please let us know which versions of PyX and PyFeyn you have installed?
>>>>>>>> 
>>>>>>>> Thanks,
>>>>>>>> George
>>>>>>>> 
>>>>>>>> 
>>>>>>>> On 6/6/2016 12:20 PM, Ian Brock wrote:
>>>>>>>>> Dear PyFeyn,
>>>>>>>>> I get an error when trying to run the first PyFeyn test file:
>>>>>>>>> python pyfeyn-test1.py
>>>>>>>>> /usr/local/texlive/2015/texmf-dist/tex/latex/hepnames/hepnicenames.sty
>>>>>>>>> Traceback (most recent call last):
>>>>>>>>> File "pyfeyn-test1.py", line 26, in <module>
>>>>>>>>> fd.draw("pyfeyn-test1.pdf")
>>>>>>>>> File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 70, in draw
>>>>>>>>> c = self.drawToCanvas()
>>>>>>>>> File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/diagrams.py", line 62, in drawToCanvas
>>>>>>>>> obj.draw(self.currentCanvas)
>>>>>>>>> File "/opt/local/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/pyfeyn/lines.py", line 522, in draw
>>>>>>>>> ass, bs, cs = para.normpath_selfintersections(mypath.normpath(), epsilon=0.01)
>>>>>>>>> TypeError: normpath_selfintersections() missing 1 required positional argument: 'eps_comparepairs'
>>>>>>>>> I am using Python3.5 installed via Macports.
>>>>>>>>> I installed PyX and PyFeyn via pip. This worked without any error messages.
>>>>>>>>> I tested hepnames in test file and it works fine.
>>>>>>>>> Best Regards
>>>>>>>>> Ian
>>>>>>>>> *Ian C. Brock* | Physikalisches Institut, Universität Bonn | Nußallee 12 | D-53115 Bonn
>>>>>>>>> Tel. +49 228 733616 | Email: brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de><mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de><mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>>>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de><mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>> <mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de><mailto:brock at physik.uni-bonn.de <mailto:brock at physik.uni-bonn.de>>>>>
>>>>>>>>> _______________________________________________
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>>>>>>>>> https://www.hepforge.org/lists/listinfo/pyfeyn <https://www.hepforge.org/lists/listinfo/pyfeyn> <https://www.hepforge.org/lists/listinfo/pyfeyn <https://www.hepforge.org/lists/listinfo/pyfeyn>> <https://www.hepforge.org/lists/listinfo/pyfeyn <https://www.hepforge.org/lists/listinfo/pyfeyn><https://www.hepforge.org/lists/listinfo/pyfeyn <https://www.hepforge.org/lists/listinfo/pyfeyn>>> <https://www.hepforge.org/lists/listinfo/pyfeyn <https://www.hepforge.org/lists/listinfo/pyfeyn> <https://www.hepforge.org/lists/listinfo/pyfeyn <https://www.hepforge.org/lists/listinfo/pyfeyn>><https://www.hepforge.org/lists/listinfo/pyfeyn <https://www.hepforge.org/lists/listinfo/pyfeyn> <https://www.hepforge.org/lists/listinfo/pyfeyn <https://www.hepforge.org/lists/listinfo/pyfeyn>>>>
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> ---
>>>>>>>> This email has been checked for viruses by Avast antivirus software.
>>>>>>>> https://www.avast.com/antivirus <https://www.avast.com/antivirus> <https://www.avast.com/antivirus <https://www.avast.com/antivirus>> <https://www.avast.com/antivirus <https://www.avast.com/antivirus> <https://www.avast.com/antivirus <https://www.avast.com/antivirus>>> <https://www.avast.com/antivirus <https://www.avast.com/antivirus> <https://www.avast.com/antivirus <https://www.avast.com/antivirus>> <https://www.avast.com/antivirus <https://www.avast.com/antivirus> <https://www.avast.com/antivirus <https://www.avast.com/antivirus>>>>
>>>>>>>> 
>>>>> 
>>>>> --
>>>>> ===========================================================================
>>>>> 
>>>>> PD Dr. Georg von Hippel
>>>>> Institut für Kernphysik                 Office: 01-226 (Neubau)
>>>>> Johannes Gutenberg-Universität Mainz    Phone:  +49 6131 39-22933
>>>>> Johann-Joachim-Becher-Weg 45            Fax:    +49 6131 39-22964
>>>>> 55099 Mainz                             Email:  hippel at kph.uni-mainz.de <mailto:hippel at kph.uni-mainz.de> <mailto:hippel at kph.uni-mainz.de <mailto:hippel at kph.uni-mainz.de>>
>>>>> Germany                                 wwwth.kph.uni-mainz.de/1205.php <http://wwwth.kph.uni-mainz.de/1205.php> <http://wwwth.kph.uni-mainz.de/1205.php <http://wwwth.kph.uni-mainz.de/1205.php>>
>>>>> 
>>>>> ===========================================================================
>>>> 
>>>> 
>>> 
>>> --
>>> ===========================================================================
>>> 
>>> PD Dr. Georg von Hippel
>>> Institut für Kernphysik                 Office: 01-226 (Neubau)
>>> Johannes Gutenberg-Universität Mainz    Phone:  +49 6131 39-22933
>>> Johann-Joachim-Becher-Weg 45            Fax:    +49 6131 39-22964
>>> 55099 Mainz                             Email:  hippel at kph.uni-mainz.de
>>> Germany                                 wwwth.kph.uni-mainz.de/1205.php
>>> 
>>> ===========================================================================
>> 
>> 
> 
> -- 
> ===========================================================================
> 
> PD Dr. Georg von Hippel
> Institut für Kernphysik                 Office: 01-226 (Neubau)
> Johannes Gutenberg-Universität Mainz    Phone:  +49 6131 39-22933
> Johann-Joachim-Becher-Weg 45            Fax:    +49 6131 39-22964
> 55099 Mainz                             Email:  hippel at kph.uni-mainz.de
> Germany                                 wwwth.kph.uni-mainz.de/1205.php
> 
> ===========================================================================

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