Re: [MathDOM] MathDOM 0.8 won't start

[Mario C. <mar...@to...>]

Hello Stefan,
thanks for your reply: I was using pyparsing 1.5.1 (last version)

I downgraded to 1.4.2 and now it works!

Thanks a lot

Mario

On Fri, Dec 19, 2008 at 3:24 PM, Stefan Behnel <ste...@be...> wrote:
> Hi,
>
> sorry for the late reply.
>
> Mario Ceresa wrote:
>> I have a problem after I just downloaded and installed MathDOM 0.8.
>>
>> I tried to do:
>>
>> from mathml.lmathdom import MathDOM
>>
>> but it crashes with:
>> /usr/lib/python2.5/site-packages/mathdom-0.8-py2.5.egg/mathml/termparser.py
>> in p_case(self, p_arithmetic_exp, p_bool_expression)
>>     289                   Suppress(CaselessKeyword('END'))
>>     290                   )
>> --> 291         p_case.setParseAction(self._parse_case)
>>     292         return p_case
>>     293
>>
>> AttributeError: 'NoneType' object has no attribute 'setParseAction'
>> ________________________________________________________________
>>
>> It seems to me related to these warning that I receive just before the
>> exception is thrown:
>>
>> /usr/lib/python2.5/site-packages/mathdom-0.8-py2.5.egg/mathml/termparser.py:288:
>> SyntaxWarning: Cannot combine element of type <type 'NoneType'> with
>> ParserElement
>>   Suppress(CaselessKeyword('ELSE')) + p_arithmetic_exp +
>> /usr/lib/python2.5/site-packages/mathdom-0.8-py2.5.egg/mathml/termparser.py:289:
>> SyntaxWarning: Cannot combine element of type <type 'NoneType'> with
>> ParserElement
>>   Suppress(CaselessKeyword('END'))
>
> I just tested and it works for me with pyparsing 1.4.2. What version of
> pyparsing are you using?
>
> Stefan
>