[Scons-users] scons 3.0.1: 'ascii' codec can't decode

[Tim Jenness]

You are on python2? You can get away with a lot on python2...

> On Nov 29, 2017, at 19:39 , Bill Deegan <bill at baddogconsulting.com> wrote:
> 
> I'm not seeing the failure when I run on my mac:
> 
> $ venv/bin/scons -f SConstruct_Broken run
> scons: Reading SConscript files ...
> scons: done reading SConscript files.
> scons: Building targets ...
> g++ -o main.o -c main.cpp
> g++ -o main.exe main.o
> /Users/bdbaddog/devel/scons/bugs/ascii_codec_cant/main.exe
> Hello, world!
> scons: done building targets.
> 
> $ cat SConstruct_Broken
> import os
> env = Environment(tools = ["mingw"], ENV=os.environ)
> prog = env.Program("main", ["main.cpp"])
> run = env.Alias("run", prog, prog[0].abspath)
> AlwaysBuild(run)
> 
> 
> $ venv/bin/scons --version
> SCons by Steven Knight et al.:
>     script: v3.0.1.74b2c53bc42290e911b334a6b44f187da698a668, 2017/11/14 13:16:53, by bdbaddog on hpmicrodog
>     engine: v3.0.1.74b2c53bc42290e911b334a6b44f187da698a668, 2017/11/14 13:16:53, by bdbaddog on hpmicrodog
>     engine path: ['/Users/bdbaddog/devel/scons/bugs/ascii_codec_cant/venv/lib/python2.7/site-packages/scons-3.0.1/SCons']
> Copyright (c) 2001 - 2017 The SCons Foundation
> 
> 
> 
> On Wed, Nov 29, 2017 at 1:10 PM, Fred Wright <fw at fwright.net <mailto:fw at fwright.net>> wrote:
> 
> On Wed, 29 Nov 2017, Bill Deegan wrote:
> 
> > Yes.
> > That's some logic from the py2/3 port that's not quite right it seems.
> >
> > Very surprised our test suite didn't catch something this simple.
> > I'll take a look at the logic.
> > I have a fix for similar in one of my sandboxes, but it's breaking a lot of
> > the tests (which themselves could be wrong), thought that fix is for py3.5+
> > issue.
> >
> > In essence, all info used to create a signature from files/values/etc
> > should be bytes and not unicode and not treated as a string.
> > Looks like the code is not doing that in at least 2 places.
> 
> Have you looked at?:
> 
> Practical Python porting for systems programmers
> http://www.catb.org/esr/faqs/practical-python-porting/ <http://www.catb.org/esr/faqs/practical-python-porting/>
> 
> In particular, the section titled "Fix up string/unicode mixing"?
> 
> Fred Wright
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