devtool modify - ModuleNotFoundError: No module named '_sysconfigdata'

* devtool modify - ModuleNotFoundError: No module named '_sysconfigdata'
@ 2020-11-12 11:00 Peter Bergin
  2020-11-12 11:07 ` ernst.sjostrand
  0 siblings, 1 reply; 7+ messages in thread
From: Peter Bergin @ 2020-11-12 11:00 UTC (permalink / raw)
  To: Patches and discussions about the oe-core layer

Hi,

when running 'devtool modify u-boot-imx' I get a stacktrace ending up in 
"ModuleNotFoundError: No module named '_sysconfigdata'". 'devtool 
modify' works for other recipes. Detailed stacktrace and layer info is 
added below.

The stacktrace seems very similar to 
https://lists.openembedded.org/g/openembedded-core/message/144484 but I 
decided to start a new thread to not highjack another issue. As the 
stacktarces are very similar I have  guess that they are related in some 
way. My host machine is running Ubuntu 20.04.

I'm out of ideas how to debug this further and would like some help to 
sort this out.

Best regards,
/Peter

     $ devtool modify u-boot-imx

     ...

     Build Configuration:
     BB_VERSION           = "1.49.0"
     BUILD_SYS            = "x86_64-linux"
     NATIVELSBSTRING      = "universal"
     TARGET_SYS           = "aarch64-fslc-linux"
     MACHINE              = "imx8mnevk"
     DISTRO               = "fslc-wayland"
     DISTRO_VERSION       = "3.2-snapshot-20201112"
     TUNE_FEATURES        = "aarch64 armv8a crc cortexa53 crypto"
     TARGET_FPU           = ""
     meta
     meta-poky            = 
"master:be17f6bacc6ba8ee5c92cf4b2ec5b43c8e660b33"
     meta-freescale       = 
"master:447032d809427a20cc066b32254cea8821073281"
     meta-freescale-3rdparty = 
"master:b85d08a55cb833bfc4e8b5034ff804286c67620e"
     meta-freescale-distro = 
"master:11be3f01962df8436c5c7b0d61cd3dbd1b872905"
     meta-oe
     meta-networking
     meta-python          = 
"master:b6e14805923a0dec17140c9df45434a9bea951d9"

     ERROR: Error executing a python function in exec_python_func() 
autogenerated:

     The stack trace of python calls that resulted in this 
exception/failure was:
     File: 'exec_python_func() autogenerated', lineno: 2, function: <module>
          0001:
      *** 0002:devtool_post_unpack(d)
          0003:
     File: 
'/work/yocto/elektron-master/sources/poky/meta/classes/devtool-source.bbclass', 
lineno: 68, function:    devtool_post_unpack
          0064:}
          0065:
          0066:
          0067:python devtool_post_unpack() {
      *** 0068:    import oe.recipeutils
          0069:    import shutil
          0070:    sys.path.insert(0, os.path.join(d.getVar('COREBASE'), 
'scripts', 'lib'))
          0071:    import scriptutils
          0072:    from devtool import setup_git_repo
     File: 
'/work/yocto/elektron-master/sources/poky/meta/lib/oe/recipeutils.py', 
lineno: 21, function: <module>
          0017:import shutil
          0018:import re
          0019:import fnmatch
          0020:import glob
      *** 0021:import bb.tinfoil
          0022:
          0023:from collections import OrderedDict, defaultdict
          0024:from bb.utils import vercmp_string
          0025:
     File: 
'/work/yocto/elektron-master/sources/poky/bitbake/lib/bb/tinfoil.py', 
lineno: 19, function: <module>
          0015:from collections import OrderedDict, defaultdict
          0016:from functools import partial
          0017:
          0018:import bb.cache
      *** 0019:import bb.cooker
          0020:import bb.providers
          0021:import bb.taskdata
          0022:import bb.utils
          0023:import bb.command
     File: 
'/work/yocto/elektron-master/sources/poky/bitbake/lib/bb/cooker.py', 
lineno: 25, function: <module>
          0021:import bb, bb.exceptions, bb.command
          0022:from bb import utils, data, parse, event, cache, 
providers, taskdata, runqueue, build
          0023:import queue
          0024:import signal
      *** 0025:import prserv.serv
          0026:import pyinotify
          0027:import json
          0028:import pickle
          0029:import codecs
     File: 
'/work/yocto/elektron-master/sources/poky/bitbake/lib/prserv/serv.py', 
lineno: 7, function: <module>
          0003:#
          0004:
          0005:import os,sys,logging
          0006:import signal, time
      *** 0007:from xmlrpc.server import SimpleXMLRPCServer, 
SimpleXMLRPCRequestHandler
          0008:import threading
          0009:import queue
          0010:import socket
          0011:import io
     File: '/usr/lib/python3.8/xmlrpc/server.py', lineno: 117, function: 
<module>
          0113:import socketserver
          0114:import sys
          0115:import os
          0116:import re
      *** 0117:import pydoc
          0118:import traceback
          0119:try:
          0120:    import fcntl
          0121:except ImportError:
     File: '/usr/lib/python3.8/pydoc.py', lineno: 370, function: <module>
          0366:    return module
          0367:
          0368:# ---------------------------------------------------- 
formatter base class
          0369:
      *** 0370:class Doc:
          0371:
          0372:    PYTHONDOCS = os.environ.get("PYTHONDOCS",
          0373: "https://docs.python.org/%d.%d/library"
          0374:                                % sys.version_info[:2])
     File: '/usr/lib/python3.8/pydoc.py', lineno: 400, function: Doc
          0396:        raise TypeError(message)
          0397:
          0398:    docmodule = docclass = docroutine = docother = 
docproperty = docdata = fail
          0399:
      *** 0400:    def getdocloc(self, object, 
basedir=sysconfig.get_path('stdlib')):
          0401:        """Return the location of module docs or None"""
          0402:
          0403:        try:
          0404:            file = inspect.getabsfile(object)
     File: '/usr/lib/python3.8/sysconfig.py', lineno: 512, function: 
get_path
          0508:    """Return a path corresponding to the scheme.
          0509:
          0510:    ``scheme`` is the install scheme name.
          0511:    """
      *** 0512:    return get_paths(scheme, vars, expand)[name]
          0513:
          0514:
          0515:def get_config_vars(*args):
          0516:    """With no arguments, return a dictionary of all 
configuration
     File: '/usr/lib/python3.8/sysconfig.py', lineno: 502, function: 
get_paths
          0498:    ``scheme`` is the install scheme name. If not 
provided, it will
          0499:    return the default scheme for the current platform.
          0500:    """
          0501:    if expand:
      *** 0502:        return _expand_vars(scheme, vars)
          0503:    else:
          0504:        return _INSTALL_SCHEMES[scheme]
          0505:
          0506:
     File: '/usr/lib/python3.8/sysconfig.py', lineno: 172, function: 
_expand_vars
          0168:def _expand_vars(scheme, vars):
          0169:    res = {}
          0170:    if vars is None:
          0171:        vars = {}
      *** 0172:    _extend_dict(vars, get_config_vars())
          0173:
          0174:    for key, value in _INSTALL_SCHEMES[scheme].items():
          0175:        if os.name in ('posix', 'nt'):
          0176:            value = os.path.expanduser(value)
     File: '/usr/lib/python3.8/sysconfig.py', lineno: 550, function: 
get_config_vars
          0546:
          0547:        if os.name == 'nt':
          0548:            _init_non_posix(_CONFIG_VARS)
          0549:        if os.name == 'posix':
      *** 0550:            _init_posix(_CONFIG_VARS)
          0551:        # For backward compatibility, see issue19555
          0552:        SO = _CONFIG_VARS.get('EXT_SUFFIX')
          0553:        if SO is not None:
          0554:            _CONFIG_VARS['SO'] = SO
     File: '/usr/lib/python3.8/sysconfig.py', lineno: 421, function: 
_init_posix
          0417:def _init_posix(vars):
          0418:    """Initialize the module as appropriate for POSIX 
systems."""
          0419:    # _sysconfigdata is generated at build time, see 
_generate_posix_vars()
          0420:    name = _get_sysconfigdata_name()
      *** 0421:    _temp = __import__(name, globals(), locals(), 
['build_time_vars'], 0)
          0422:    build_time_vars = _temp.build_time_vars
          0423:    vars.update(build_time_vars)
          0424:
          0425:def _init_non_posix(vars):
     Exception: ModuleNotFoundError: No module named '_sysconfigdata'

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