bitbake-error

#! /usr/bin/env python3

import os
import sys
import warnings
warnings.simplefilter("default")

bindir = os.path.dirname(__file__)
topdir = os.path.dirname(bindir)
sys.path[0:0] = [os.path.join(topdir, 'lib')]

import bb.tinfoil
from bb.tinfoil import TinfoilConfigParameters

if __name__ == "__main__":
    with bb.tinfoil.Tinfoil(tracking=True) as tinfoil:
        config_params: TinfoilConfigParameters = TinfoilConfigParameters(
            config_only=False, quiet=4
        )
        config_params.remote_server: str = "localhost:8081"
        tinfoil.prepare(quiet=2, config_params=config_params)

        # This can work around with just casting return value of server with dict.
        ret = tinfoil.run_command("getRProviders")
        print(ret)

        # This can work around with just casting return value of server with dict.
        ret = tinfoil.run_command("getRecipePackages")
        print(ret)

        # This can work around with just casting return value of server with dict.
        ret = tinfoil.run_command("getRecipePackagesDynamic")
        print(ret)

        # This can work without any tricks.
        d = tinfoil.parse_recipe("gcc")
        ret = d.getVar("FILE", expand=True)
        print(ret)

        # This can not work around with just casting return value of server with dict, becuase this will return collections.abc.KeysView object.
        ret = d.keys()
        print(ret)

how-to-occur-error

# Please copy bitbake-error to bitbake/bin dir before running this script.
# This script can run on poky root dir. 
source oe-init-build-env
bitbake --server-only --bind localhost:8081
bitbake-error
bitbake -m