#461 Compatibility with python 3.7

[Antonio Trande]

Hi all.

I need to build libsbml with Python 3.7; it looks like it is not compatible:

[  0%] Swig Python source
make[2]: Leaving directory '/builddir/build/BUILD/libSBML-5.17.0-Source/build'
make -f src/bindings/ruby/CMakeFiles/binding_ruby_swig.dir/build.make src/bindings/ruby/CMakeFiles/binding_ruby_swig.dir/build
cd /builddir/build/BUILD/libSBML-5.17.0-Source/build/src/bindings/python && /usr/bin/python3 /builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/python/../swig/swigdoc.py --language python --top /builddir/build/BUILD/libSBML-5.17.0-Source --master /builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/python/../swig/libsbml.i --output /builddir/build/BUILD/libSBML-5.17.0-Source/build/src/bindings/python/pydoc-doxygen.i --define USE_COMP --define USE_FBC --define USE_GROUPS --define USE_LAYOUT --define USE_MULTI --define USE_QUAL --define USE_RENDER --define USE_COMP --define USE_FBC --define USE_GROUPS --define USE_MULTI --define USE_QUAL --define USE_RENDER
Swig: Java Bindings
make[2]: Entering directory '/builddir/build/BUILD/libSBML-5.17.0-Source/build'
[  0%] Swig Ruby source
cd /builddir/build/BUILD/libSBML-5.17.0-Source/build/src/bindings/ruby && /usr/bin/swig -I/builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/ruby/../swig/ -I/builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/ruby -I/builddir/build/BUILD/libSBML-5.17.0-Source/build/src -I/builddir/build/BUILD/libSBML-5.17.0-Source/src -I/builddir/build/BUILD/libSBML-5.17.0-Source/include -c++ -ruby -DLIBSBML_COMPILED_IN_SRC -DUSE_LIBXML -DUSE_BZ2 -DUSE_ZLIB -DUSE_COMP -DUSE_FBC -DUSE_GROUPS -DUSE_LAYOUT -DUSE_MULTI -DUSE_QUAL -DUSE_RENDER -DUSE_COMP -DUSE_FBC -DUSE_GROUPS -DUSE_MULTI -DUSE_QUAL -DUSE_RENDER -o /builddir/build/BUILD/libSBML-5.17.0-Source/build/src/bindings/ruby/libsbml_wrap.cpp /builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/ruby/libsbml.i
Traceback (most recent call last):
  File "/usr/lib64/python3.7/sre_parse.py", line 1021, in parse_template
    this = chr(ESCAPES[this][1])
KeyError: '\\s'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/python/../swig/swigdoc.py", line 1924, in <module>
    main(sys.argv)
  File "/builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/python/../swig/swigdoc.py", line 1881, in main
    processFile(file, stream, language, preprocessor_defines)
  File "/builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/python/../swig/swigdoc.py", line 1697, in processFile
    processFunctions(ostream, header.functions)
  File "/builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/python/../swig/swigdoc.py", line 1673, in processFunctions
    ostream.write(generateFunctionDocString(f.name, f.docstring, f.args, f.isInternal,f))
  File "/builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/python/../swig/swigdoc.py", line 1617, in generateFunctionDocString
    doc = rewriteDocstringForPython(docstring)
  File "/builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/python/../swig/swigdoc.py", line 1397, in rewriteDocstringForPython
    docstring = translateAllowingBreaks(breakable_translations, docstring)
  File "/builddir/build/BUILD/libSBML-5.17.0-Source/src/bindings/python/../swig/swigdoc.py", line 816, in translateAllowingBreaks
    new_pattern = re.sub(' ', r'\s+\*?\s*', pair[0])
  File "/usr/lib64/python3.7/re.py", line 192, in sub
    return _compile(pattern, flags).sub(repl, string, count)
  File "/usr/lib64/python3.7/re.py", line 309, in _subx
    template = _compile_repl(template, pattern)
  File "/usr/lib64/python3.7/re.py", line 300, in _compile_repl
    return sre_parse.parse_template(repl, pattern)
  File "/usr/lib64/python3.7/sre_parse.py", line 1024, in parse_template
    raise s.error('bad escape %s' % this, len(this))
re.error: bad escape \s at position 0
make[2]: *** [src/bindings/python/CMakeFiles/binding_python_swig.dir/build.make:622: src/bindings/python/libsbml_wrap.cpp] Error 1
make[2]: Leaving directory '/builddir/build/BUILD/libSBML-5.17.0-Source/build'
make[1]: *** [CMakeFiles/Makefile2:3127: src/bindings/python/CMakeFiles/binding_python_swig.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....

libsbml 5.17.0
OS: fedora 29 (devel branch)
Architecture: all

[Antonio Trande]

Full build log: https://kojipkgs.fedoraproject.org//work/tasks/2066/27752066/build.log

Thanks.

[Brett Olivier]

Dear Antonio

Thank you for your detailed report, this error occured in our documentation generation system and has been corrected (revision: 25372).

Best regards
Brett

[Antonio Trande]

Error fixed.
Thanks.