[Scons-users] Error when passing from python 3.5.4 to python 3.6

[Bill Deegan]

Please update your SCons version to 4.0.1 and retry.
Note if you've installed scons via pip, you  should pip uninstall scons,
and then pip install scons as there's a windows specific pip+scons issue.

On Fri, Jul 17, 2020 at 9:09 AM Pierre-Luc Boily <pierreluc.boily at gmail.com>
wrote:

> Hello,
>
> Sorry to post this here, this is not direclty linked to scons, but to qt5
> tools.  I thought that maybe someone faced this problem before in the scons
> code.
>
>
> https://bitbucket.org/dirkbaechle/scons_qt5/issues/14/from-python-354-to-368-raise-sourceerror
>
> python : 3.6.8
> scons : 3.0.5
> os : windows 10
>
> Trying to update my python from 3.5.4 to 3.6.8 version and I stumbled on
> the
> exception below. I found something similar to this page :
>
> https://stackoverflow.com/questions/58328587/python-3-7-4-re-error-bad-escape-s-at-position-0
> .
> but I don`t understand... :
>
> PS C:\SVN\products\faa_mx\integ> scons -n
> scons: Reading SConscript files ...
> error: bad escape \m at position 37:
> File "C:\SVN\products\faa_mx\integ\SConstruct", line 30:
> sc_manager.build()
> File
> "C:\SVN\products\faa_mx\integ\cm\env\scons\utilities\sconscriptManager.py",
> line 44:
> duplicate=0)
> File
> "c:\python\python3.6.8\lib\site-packages\scons\SCons\Script\SConscript.py",
> line 668:
> return method(*args, **kw)
> File
> "c:\python\python3.6.8\lib\site-packages\scons\SCons\Script\SConscript.py",
> line 605:
> return _SConscript(self.fs, files, **subst_kw)
> File
> "c:\python\python3.6.8\lib\site-packages\scons\SCons\Script\SConscript.py",
> line 286:
> exec(compile(scriptdata, scriptname, 'exec'), call_stack[-1].globals)
> File
>
> "C:\SVN\products\faa_mx\integ\sr\speech\ASREngineSpawner\ASREngineSpawner.sc",
> line 12:
> lib_tgt = env.build_library(envService, ['ASREngineSpawner.cpp',
> 'ProcessManager.cpp'] + env.Glob('.ui'))
> File
>
> "C:\SVN\products\faa_mx\integ\cm\env\scons\adacelBuilders\pseudoBuilders.py",
> line 95:
> source=tgt)
> File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Environment.py",
> line 260:
> return MethodWrapper.call(self, target, source, *args, **kw)
> File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Environment.py",
> line 224:
> return self.method(*nargs, **kwargs)
> File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Builder.py", line
> 645:
> return self.execute(env, target, source, OverrideWarner(kw), ekw)
> File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Builder.py", line
> 564:
> tlist, slist = self.create_nodes(env, target, source)
> File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Builder.py", line
> 528:
> target, source = self.emitter(target=tlist, source=slist, env=env)
> File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Builder.py", line
> 353:
> target, source = e(target, source, env)
> File "C:\SVN\3rdParty\devTool\site_scons\site_tools\qt5_init.py", line 373:
> cpp, cpp_contents, out_sources)
> File "C:\SVN\3rdParty\devTool\site_scons\site_tools\qt5_init.py", line 229:
> if cpp and re.search(inc_moc_cpp, cpp_contents, re.M):
> File "C:\Python\Python3.6.8\lib\re.py", line 182:
> return _compile(pattern, flags).search(string)
> File "C:\Python\Python3.6.8\lib\re.py", line 301:
> p = sre_compile.compile(pattern, flags)
> File "C:\Python\Python3.6.8\lib\sre_compile.py", line 562:
> p = sre_parse.parse(p, flags)
> File "C:\Python\Python3.6.8\lib\sre_parse.py", line 855:
> p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0)
> File "C:\Python\Python3.6.8\lib\sre_parse.py", line 416:
> not nested and not items))
> File "C:\Python\Python3.6.8\lib\sre_parse.py", line 502:
> code = _escape(source, this, state)
> File "C:\Python\Python3.6.8\lib\sre_parse.py", line 401:
> raise source.error("bad escape %s" % escape, len(escape))
>
>
>
>
> --
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