strange error with the python scheme wrapper

[Johannes Castner]

Hi everyone,

I'm encountering an error that I don't understand. Please help!

[2019-02-08 13:06:34:698] [ERROR] Python-Scheme Wrapper: Syntax error in input: '(has_desc "ENVO:00002236" "Cryosols comprise mineral soils formed in a permafrost environment. Where water is present, it occurs primarily in the form of ice. Cryogenic processes are the dominant soil-forming processes.")' (/home/ubuntu/atomspace/opencog/cython/opencog/PyScheme.cc:66)

    Stack Trace:
    2: Logger.cc:512      opencog::Logger::logva(opencog::Logger::Level, char const*, __va_list_tag*)
    3: Logger.cc:524      opencog::Logger::Error::operator()(char const*, ...)
    4: exceptions.cc:55      opencog::StandardException::parse_error_message(char const*, __va_list_tag*, bool)
    5: exceptions.cc:82      opencog::StandardException::parse_error_message(char const*, char const*, __va_list_tag*, bool)
    6: exceptions.cc:142      opencog::RuntimeException::RuntimeException(char const*, char const*, ...)
    7: PyScheme.cc:67      opencog::eval_scheme(opencog::AtomSpace*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
    8: basic_string.h:589      std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator=(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)
    9: [0x4ea137] ??() ??:0
    10: [0x536d94] ??() ??:0
    11: [0x53fc97] ??() ??:0
    12: [0x53b83f] ??() ??:0
    13: [0x53b294] ??() ??:0
    14: [0x53fc97] ??() ??:0
    15: [0x5409bf] ??() ??:0
    16: [0x60cb42] ??() ??:0
    17: [0x60efea] ??() ??:0
    18: [0x60f7dc] ??() ??:0
    19: [0x640256] ??() ??:0
    20: [0x4d0001] ??() ??:0
    21: libc-start.c:325    __libc_start_main()
    22: [0x5d6999] ??() ??:0

Johannes

[Linas Vepstas]

Its probably yet another python bug.  You're on the bleeding-edge: very few users use python, and we've fixed dozens of python bugs in the last 6 months. My guess is that it is this bug: https://github.com/opencog/atomspace/pull/2064  which I will merge in about 1/2 hour .

--linas

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[Johannes Castner]

Okay, cool, should I just pull the latest changes and try again?

Johannes

[Linas Vepstas]

Yes.

The bug that got fixed was one that, after the first error, every subsequent attempt would generate an error, even if the subsequent attempt was fine. This made debugging hard. Your original email contained an expression that looked perfectly valid, and so I was thinking it was valid, and was being incorrectly reported.

--linas

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[Johannes Castner]

Thank you! 

Johannes 

To view this discussion on the web visit https://groups.google.com/d/msgid/opencog/CAHrUA34NUubH3AYyj_nEEOFoditQUY6qXs0zdG_dK%3D6%3D6oZPOA%40mail.gmail.com.

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Johannes

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