On Thu, 12 Nov 2020 at 02:23, Glenn Stroz via lists.openembedded.org
<gstroz=uber....@lists.openembedded.org> wrote:
> We've been upgrading our work to Dunfell and have encountered an issue
> with python3-native.
>
> One of our python3-native scripts uses pydoc and that in turn eventually
> pulls in python's sysconfig. However, this is failing to import with the
> following stack trace:
>
> ```
> import pydoc
> File
> "/home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot-native/usr/lib/python3.8/pydoc.py",
> line 366, in <module>
> class Doc:
> File
> "/home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot-native/usr/lib/python3.8/pydoc.py",
> line 396, in Doc
> def getdocloc(self, object, basedir=sysconfig.get_path('stdlib')):
> File
> "/home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot-native/usr/lib/python3.8/sysconfig.py",
> line 519, in get_path
> return get_paths(scheme, vars, expand)[name]
> File
> "/home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot-native/usr/lib/python3.8/sysconfig.py",
> line 509, in get_paths
> return _expand_vars(scheme, vars)
> File
> "/home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot-native/usr/lib/python3.8/sysconfig.py",
> line 172, in _expand_vars
> _extend_dict(vars, get_config_vars())
> File
> "/home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot-native/usr/lib/python3.8/sysconfig.py",
> line 558, in get_config_vars
> _init_posix(_CONFIG_VARS)
> File
> "/home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot-native/usr/lib/python3.8/sysconfig.py",
> line 428, in _init_posix
> _temp = __import__(name, globals(), locals(), ['build_time_vars'], 0)
> ModuleNotFoundError: No module named '_sysconfigdata'
> ```
>
> I did a little digging and the following commit seems to reference related
> work:
>
>
> https://github.com/openembedded/openembedded-core/commit/02714c105426b0d687620913c1a7401b386428b6
>
> I see that there is a patch added which adds the following to
> `sysconfig.py`:
>
> ```
> if 'STAGING_LIBDIR' in os.environ:
>
> sys.path.append(os.environ['STAGING_LIBDIR']+'/python-sysconfigdata')
> ```
>
> However, STAGING_LIBDIR does not contain this path:
>
> ```
> ls
> /home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot/usr/lib/python-sysconfigdata
>
> ls: cannot access
> '/home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot/usr/lib/python-sysconfigdata':
> No such file or directory
> ```
>
> It appears as if this should really be pointing to STAGING_LIBDIR_NATIVE
> which does exist:
>
> ```
> ls
> /home/gstroz/.cache/avos/_avos_gstroz/avos/yocto-dunfell/build/tmp/work/corei7-64-poky-linux/ebpf-daemon/2020.282.17-r0/recipe-sysroot-native/usr/lib/python-sysconfigdata
> _sysconfigdata.py
> ```
>
> The referenced commit made efforts to combine the native and cross python3
> bbclass files into one. However, I think this may be something that needs
> to be treated differently.
>
> Anyone have any thoughts on how to proceed?
>
Can you share the exact context where this is happening? Is your script
coming from a recipe and can you show that recipe?
Alex
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