[Scons-users] SCons 3.0.0 and Util.py

[Bill Deegan]

Any chance you can give us a simple SConstruct that demonstrates the issue
so we can add to our test suite when we fix the bug?
Do you get the same error if you run SCons 3.0 with python 2.7.x ?

On Tue, Oct 3, 2017 at 2:46 PM, Bassem Girgis <brgirgis at gmail.com> wrote:

> Hi All,
>
> I'm trying to migrate to SCons 3.0.0 to use python 3.6 as my only python
> installation. In doing so I ran into the issue shown below. It lookd like
> the to_str() function in Util.py is not expecting None and it got one. From
> my end, it looks like a directory install is what caused it. Editing the
> to_str() function to return empty str in that case solved the issue.
> However, I'm not sure if the issue is rather in the Install() builder that
> returned a None from the executer.
>
> Install directory: "to/project/runtime/linx64" as
> "to/install/linx64/lib/linx64"
> --------------> None
> scons: *** [to/install/linx64/lib/linx64] TypeError : decoding to str:
> need a bytes-like object, NoneType found
> Traceback (most recent call last):
>   File "/usr/lib/scons-3.0.0/SCons/Taskmaster.py", line 255, in execute
>     self.targets[0].build()
>   File "/usr/lib/scons-3.0.0/SCons/Node/__init__.py", line 750, in build
>     self.get_executor()(self, **kw)
>   File "/usr/lib/scons-3.0.0/SCons/Executor.py", line 396, in __call__
>     return _do_execute_map[self._do_execute](self, target, kw)
>   File "/usr/lib/scons-3.0.0/SCons/Executor.py", line 127, in
> execute_action_list
>     status = act(*args, **kw)
>   File "/usr/lib/scons-3.0.0/SCons/Action.py", line 709, in __call__
>     stat = self.execute(target, source, env, executor=executor)
>   File "/usr/lib/scons-3.0.0/SCons/Action.py", line 1207, in execute
>     result = SCons.Errors.convert_to_BuildError(result, exc_info)
>   File "/usr/lib/scons-3.0.0/SCons/Errors.py", line 203, in
> convert_to_BuildError
>     exc_info=exc_info)
>   File "/usr/lib/scons-3.0.0/SCons/Errors.py", line 98, in __init__
>     self.errstr = SCons.Util.to_str(errstr)
>   File "/usr/lib/scons-3.0.0/SCons/Util.py", line 1624, in to_str
>     return str (s, 'utf-8')
> TypeError: decoding to str: need a bytes-like object, NoneType found
> scons: building terminated because of errors.
>
>
> Bassem Girgis, PhD
>
> Email: brgirgis at gmail.com
>
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>
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