"Burton, Ross" <[email protected]> wrote on 11/30/2017 02:47:43 AM:
> Python functions in classes are executed by the Python that is
> executing bitbake, which doesn't have access to the modules in the
> native sysroot (and won't, as any compiled modules in there are
> linked against the native python, not the host python).
So adding to sys.path works, but only accidentially?
sys.path.append(
d.getVar("STAGING_DIR_NATIVE", True) +
d.getVar("PYTHON_SITEPACKAGES_DIR", True))
> You can solve this by either mandating python-cryptography on the
> host, or writing a standalone script that is executed using
> nativepython (which is the python built by python-native).
Not a terrible idea. I'll just have to pull lots of stuff out of d and
pass them as arguments. Thanks.
> Ross
>
> On 30 November 2017 at 00:09, <[email protected]> wrote:
> I have a python function that I've added to PACKAGEFUNCS in a
> bbclass, and I want to use python-cryptography in that function.
> However, sys.path doesn't seem setup to allow this import. I'm
> curious to know the best known method for using python modules that
> are outside of <LAYER>/lib directory. Should I just append
> STAGING_LIBDIR_NATIVE to sys.path?
>
> python do_stuff() {
> import cryptography # <-- this fails
>
> # Other stuff...
> }
>
> python () {
> if (not bb.data.inherits_class("native", d) and
> not bb.data.inherits_class("cross", d)):
>
> d.appendVar("PACKAGEFUNCS", " do_stuff")
> d.appendVarFlag(
> "do_package",
> "depends",
> " python-cryptography-native:do_populate_sysroot")
> }
> --
--
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