Re: Scons Execution on Fedora 30 doesn't work due to python2 being in /usr/bin/python [pip & dnf install]

Gordon,

So the fedora 30 packaged scons doesn't work?

-Bill

On Thu, Sep 12, 2019 at 3:23 PM Gordon MacPherson <[email protected]>
wrote:

> Hello,
>
> On fedora 30 - clean install, the python shebang provided in the scons pip
> package causes scons to not executed properly on the right python
> interpreter.
>
> *How to reproduce:*
> - install fedora 30
> - sudo pip3 install scons *note: python 3 is used to install this module*
> - run scons for project
>
> Example output - this is present in 3.0.5 -> and latest release 3.1.1.
>
> *scons 3.1.1*
> scons --version
> SCons import failed. Unable to find engine files in:
>   /usr/local/lib/scons-3.1.1
>   /usr/lib/scons-3.1.1
>   /usr/local/lib/scons-3.1.1
>   /usr/lib/python2.7/site-packages/scons-3.1.1
>   /usr/lib64/scons-3.1.1
>   /usr/local/lib/scons
>   /usr/lib/scons
>   /usr/local/lib/scons
>   /usr/lib/python2.7/site-packages/scons
>   /usr/lib64/scons
>
> *scons 3.0.5*
> SCons import failed. Unable to find engine files in:
>   /usr/local/lib/scons-3.0.5
>   /usr/lib/scons-3.0.5
>   /usr/local/lib/scons-3.0.5
>   /usr/lib/python2.7/site-packages/scons-3.0.5
>   /usr/lib64/scons-3.0.5
>   /usr/local/lib/scons
>   /usr/lib/scons
>   /usr/local/lib/scons
>   /usr/lib/python2.7/site-packages/scons
>   /usr/lib64/scons
> Traceback (most recent call last):
>   File "/usr/local/bin/scons", line 195, in <module>
>     import SCons.Script
> ImportError: No module named SCons.Script
>
>
> *As a workaround:*
> I have had to update the shebang to this to get scons to find the non
> python 2.7 modules.
> #!/usr/bin/python3
>
> I'm guessing this is a known issue but wanted to contact the mailing list
> regardless as clean installs should have a working installer.
>
> Our dev team had this issue so would be nice if this could be patched so
> that the python2 version provides a python2 shebang, and the python3
> version provides a python3 shebang.
>
> *Additional notes:*
> *- *This also happens on the package provided in the fedora 30
> repositories: sudo dnf install scons
>
> Thoughts?
>
> Thanks,
> Gordon
>
>
>
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>

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