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path: root/scripts/contrib/verify-homepage.py
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#!/usr/bin/env python3
#
# Copyright OpenEmbedded Contributors
#
# SPDX-License-Identifier: GPL-2.0-only
#
# This script can be used to verify HOMEPAGE values for all recipes in
# the current configuration.
# The result is influenced by network environment, since the timeout of connect url is 5 seconds as default.

import sys
import os
import subprocess
import urllib.request


# Allow importing scripts/lib modules
scripts_path = os.path.abspath(os.path.dirname(os.path.realpath(__file__)) + '/..')
lib_path = scripts_path + '/lib'
sys.path = sys.path + [lib_path]
import scriptpath
import scriptutils

# Allow importing bitbake modules
bitbakepath = scriptpath.add_bitbake_lib_path()

import bb.tinfoil

logger = scriptutils.logger_create('verify_homepage')

def wgetHomepage(pn, homepage):
    result = subprocess.call('wget ' + '-q -T 5 -t 1 --spider ' + homepage, shell = True)
    if result:
        logger.warning("%s: failed to verify HOMEPAGE: %s " % (pn, homepage))
        return 1
    else:
        return 0

def verifyHomepage(bbhandler):
    pkg_pn = bbhandler.cooker.recipecaches[''].pkg_pn
    pnlist = sorted(pkg_pn)
    count = 0
    checked = []
    for pn in pnlist:
        for fn in pkg_pn[pn]:
            # There's no point checking multiple BBCLASSEXTENDed variants of the same recipe
            realfn, _, _ = bb.cache.virtualfn2realfn(fn)
            if realfn in checked:
                continue
            data = bbhandler.parse_recipe_file(realfn)
            homepage = data.getVar("HOMEPAGE")
            if homepage:
                try:
                    urllib.request.urlopen(homepage, timeout=5)
                except Exception:
                    count = count + wgetHomepage(os.path.basename(realfn), homepage)
            checked.append(realfn)
    return count

if __name__=='__main__':
    with bb.tinfoil.Tinfoil() as bbhandler:
        bbhandler.prepare()
        logger.info("Start verifying HOMEPAGE:")
        failcount = verifyHomepage(bbhandler)
        logger.info("Finished verifying HOMEPAGE.")
        logger.info("Summary: %s failed" % failcount)
.kt { color: #66d9ef } /* Keyword.Type */ .highlight .ld { color: #e6db74 } /* Literal.Date */ .highlight .m { color: #ae81ff } /* Literal.Number */ .highlight .s { color: #e6db74 } /* Literal.String */ .highlight .na { color: #a6e22e } /* Name.Attribute */ .highlight .nb { color: #f8f8f2 } /* Name.Builtin */ .highlight .nc { color: #a6e22e } /* Name.Class */ .highlight .no { color: #66d9ef } /* Name.Constant */ .highlight .nd { color: #a6e22e } /* Name.Decorator */ .highlight .ni { color: #f8f8f2 } /* Name.Entity */ .highlight .ne { color: #a6e22e } /* Name.Exception */ .highlight .nf { color: #a6e22e } /* Name.Function */ .highlight .nl { color: #f8f8f2 } /* Name.Label */ .highlight .nn { color: #f8f8f2 } /* Name.Namespace */ .highlight .nx { color: #a6e22e } /* Name.Other */ .highlight .py { color: #f8f8f2 } /* Name.Property */ .highlight .nt { color: #f92672 } /* Name.Tag */ .highlight .nv { color: #f8f8f2 } /* Name.Variable */ .highlight .ow { color: #f92672 } /* Operator.Word */ .highlight .w { color: #f8f8f2 } /* Text.Whitespace */ .highlight .mb { color: #ae81ff } /* Literal.Number.Bin */ .highlight .mf { color: #ae81ff } /* Literal.Number.Float */ .highlight .mh { color: #ae81ff } /* Literal.Number.Hex */ .highlight .mi { color: #ae81ff } /* Literal.Number.Integer */ .highlight .mo { color: #ae81ff } /* Literal.Number.Oct */ .highlight .sa { color: #e6db74 } /* Literal.String.Affix */ .highlight .sb { color: #e6db74 } /* Literal.String.Backtick */ .highlight .sc { color: #e6db74 } /* Literal.String.Char */ .highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */ .highlight .sd { color: #e6db74 } /* Literal.String.Doc */ .highlight .s2 { color: #e6db74 } /* Literal.String.Double */ .highlight .se { color: #ae81ff } /* Literal.String.Escape */ .highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */ .highlight .si { color: #e6db74 } /* Literal.String.Interpol */ .highlight .sx { color: #e6db74 } /* Literal.String.Other */ .highlight .sr { color: #e6db74 } /* Literal.String.Regex */ .highlight .s1 { color: #e6db74 } /* Literal.String.Single */ .highlight .ss { color: #e6db74 } /* Literal.String.Symbol */ .highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #a6e22e } /* Name.Function.Magic */ .highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */ .highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */ .highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */ .highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */ .highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */ } @media (prefers-color-scheme: light) { .highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ }
"""
 AbstractSyntaxTree classes for the Bitbake language
"""

# Copyright (C) 2003, 2004 Chris Larson
# Copyright (C) 2003, 2004 Phil Blundell
# Copyright (C) 2009 Holger Hans Peter Freyther
#
# SPDX-License-Identifier: GPL-2.0-only
#

import bb
from bb import methodpool
from bb.parse import logger

class StatementGroup(list):
    def eval(self, data):
        for statement in self:
            statement.eval(data)

class AstNode(object):
    def __init__(self, filename, lineno):
        self.filename = filename
        self.lineno = lineno

class IncludeNode(AstNode):
    def __init__(self, filename, lineno, what_file, force):
        AstNode.__init__(self, filename, lineno)
        self.what_file = what_file
        self.force = force

    def eval(self, data):
        """
        Include the file and evaluate the statements
        """
        s = data.expand(self.what_file)
        logger.debug2("CONF %s:%s: including %s", self.filename, self.lineno, s)

        # TODO: Cache those includes... maybe not here though
        if self.force:
            bb.parse.ConfHandler.include(self.filename, s, self.lineno, data, "include required")
        else:
            bb.parse.ConfHandler.include(self.filename, s, self.lineno, data, False)

class ExportNode(AstNode):
    def __init__(self, filename, lineno, var):
        AstNode.__init__(self, filename, lineno)
        self.var = var

    def eval(self, data):
        data.setVarFlag(self.var, "export", 1, op = 'exported')

class UnsetNode(AstNode):
    def __init__(self, filename, lineno, var):
        AstNode.__init__(self, filename, lineno)
        self.var = var

    def eval(self, data):
        loginfo = {
            'variable': self.var,
            'file': self.filename,
            'line': self.lineno,
        }
        data.delVar(self.var,**loginfo)

class UnsetFlagNode(AstNode):
    def __init__(self, filename, lineno, var, flag):
        AstNode.__init__(self, filename, lineno)
        self.var = var
        self.flag = flag

    def eval(self, data):
        loginfo = {
            'variable': self.var,
            'file': self.filename,
            'line': self.lineno,
        }
        data.delVarFlag(self.var, self.flag, **loginfo)

class DataNode(AstNode):
    """
    Various data related updates. For the sake of sanity
    we have one class doing all this. This means that all
    this need to be re-evaluated... we might be able to do
    that faster with multiple classes.
    """
    def __init__(self, filename, lineno, groupd):
        AstNode.__init__(self, filename, lineno)
        self.groupd = groupd

    def getFunc(self, key, data):
        if 'flag' in self.groupd and self.groupd['flag'] is not None:
            return data.getVarFlag(key, self.groupd['flag'], expand=False, noweakdefault=True)
        else:
            return data.getVar(key, False, noweakdefault=True, parsing=True)

    def eval(self, data):
        groupd = self.groupd
        key = groupd["var"]
        loginfo = {
            'variable': key,
            'file': self.filename,
            'line': self.lineno,
        }
        if "exp" in groupd and groupd["exp"] is not None:
            data.setVarFlag(key, "export", 1, op = 'exported', **loginfo)

        op = "set"
        if "ques" in groupd and groupd["ques"] is not None:
            val = self.getFunc(key, data)
            op = "set?"
            if val is None:
                val = groupd["value"]
        elif "colon" in groupd and groupd["colon"] is not None:
            e = data.createCopy()
            op = "immediate"
            val = e.expand(groupd["value"], key + "[:=]")
        elif "append" in groupd and groupd["append"] is not None:
            op = "append"
            val = "%s %s" % ((self.getFunc(key, data) or ""), groupd["value"])
        elif "prepend" in groupd and groupd["prepend"] is not None:
            op = "prepend"
            val = "%s %s" % (groupd["value"], (self.getFunc(key, data) or ""))
        elif "postdot" in groupd and groupd["postdot"] is not None:
            op = "postdot"
            val = "%s%s" % ((self.getFunc(key, data) or ""), groupd["value"])
        elif "predot" in groupd and groupd["predot"] is not None:
            op = "predot"
            val = "%s%s" % (groupd["value"], (self.getFunc(key, data) or ""))
        else:
            val = groupd["value"]

        flag = None
        if 'flag' in groupd and groupd['flag'] is not None:
            flag = groupd['flag']
        elif groupd["lazyques"]:
            flag = "_defaultval"

        loginfo['op'] = op
        loginfo['detail'] = groupd["value"]

        if flag:
            data.setVarFlag(key, flag, val, **loginfo)
        else:
            data.setVar(key, val, parsing=True, **loginfo)

class MethodNode(AstNode):
    tr_tbl = str.maketrans('/.+-@%&~', '________')

    def __init__(self, filename, lineno, func_name, body, python, fakeroot):
        AstNode.__init__(self, filename, lineno)
        self.func_name = func_name
        self.body = body
        self.python = python
        self.fakeroot = fakeroot

    def eval(self, data):
        text = '\n'.join(self.body)
        funcname = self.func_name
        if self.func_name == "__anonymous":
            funcname = ("__anon_%s_%s" % (self.lineno, self.filename.translate(MethodNode.tr_tbl)))
            self.python = True
            text = "def %s(d):\n" % (funcname) + text
            bb.methodpool.insert_method(funcname, text, self.filename, self.lineno - len(self.body) - 1)
            anonfuncs = data.getVar('__BBANONFUNCS', False) or []
            anonfuncs.append(funcname)
            data.setVar('__BBANONFUNCS', anonfuncs)
        if data.getVar(funcname, False):
            # clean up old version of this piece of metadata, as its
            # flags could cause problems
            data.delVarFlag(funcname, 'python')
            data.delVarFlag(funcname, 'fakeroot')
        if self.python:
            data.setVarFlag(funcname, "python", "1")
        if self.fakeroot:
            data.setVarFlag(funcname, "fakeroot", "1")
        data.setVarFlag(funcname, "func", 1)
        data.setVar(funcname, text, parsing=True)
        data.setVarFlag(funcname, 'filename', self.filename)
        data.setVarFlag(funcname, 'lineno', str(self.lineno - len(self.body)))

class PythonMethodNode(AstNode):
    def __init__(self, filename, lineno, function, modulename, body):
        AstNode.__init__(self, filename, lineno)
        self.function = function
        self.modulename = modulename
        self.body = body

    def eval(self, data):
        # Note we will add root to parsedmethods after having parse
        # 'this' file. This means we will not parse methods from
        # bb classes twice
        text = '\n'.join(self.body)
        bb.methodpool.insert_method(self.modulename, text, self.filename, self.lineno - len(self.body) - 1)
        data.setVarFlag(self.function, "func", 1)
        data.setVarFlag(self.function, "python", 1)
        data.setVar(self.function, text, parsing=True)
        data.setVarFlag(self.function, 'filename', self.filename)
        data.setVarFlag(self.function, 'lineno', str(self.lineno - len(self.body) - 1))

class ExportFuncsNode(AstNode):
    def __init__(self, filename, lineno, fns, classname):
        AstNode.__init__(self, filename, lineno)
        self.n = fns.split()
        self.classname = classname

    def eval(self, data):

        for func in self.n:
            calledfunc = self.classname + "_" + func

            if data.getVar(func, False) and not data.getVarFlag(func, 'export_func', False):
                continue

            if data.getVar(func, False):
                data.setVarFlag(func, 'python', None)
                data.setVarFlag(func, 'func', None)

            for flag in [ "func", "python" ]:
                if data.getVarFlag(calledfunc, flag, False):
                    data.setVarFlag(func, flag, data.getVarFlag(calledfunc, flag, False))
            for flag in [ "dirs" ]:
                if data.getVarFlag(func, flag, False):
                    data.setVarFlag(calledfunc, flag, data.getVarFlag(func, flag, False))
            data.setVarFlag(func, "filename", "autogenerated")
            data.setVarFlag(func, "lineno", 1)

            if data.getVarFlag(calledfunc, "python", False):
                data.setVar(func, "    bb.build.exec_func('" + calledfunc + "', d)\n", parsing=True)
            else:
                if "-" in self.classname:
                   bb.fatal("The classname %s contains a dash character and is calling an sh function %s using EXPORT_FUNCTIONS. Since a dash is illegal in sh function names, this cannot work, please rename the class or don't use EXPORT_FUNCTIONS." % (self.classname, calledfunc))
                data.setVar(func, "    " + calledfunc + "\n", parsing=True)
            data.setVarFlag(func, 'export_func', '1')

class AddTaskNode(AstNode):
    def __init__(self, filename, lineno, func, before, after):
        AstNode.__init__(self, filename, lineno)
        self.func = func
        self.before = before
        self.after = after

    def eval(self, data):
        bb.build.addtask(self.func, self.before, self.after, data)

class DelTaskNode(AstNode):
    def __init__(self, filename, lineno, tasks):
        AstNode.__init__(self, filename, lineno)
        self.tasks = tasks

    def eval(self, data):
        tasks = data.expand(self.tasks).split()
        for task in tasks:
            bb.build.deltask(task, data)

class BBHandlerNode(AstNode):
    def __init__(self, filename, lineno, fns):
        AstNode.__init__(self, filename, lineno)
        self.hs = fns.split()

    def eval(self, data):
        bbhands = data.getVar('__BBHANDLERS', False) or []
        for h in self.hs:
            bbhands.append(h)
            data.setVarFlag(h, "handler", 1)
        data.setVar('__BBHANDLERS', bbhands)

class InheritNode(AstNode):
    def __init__(self, filename, lineno, classes):
        AstNode.__init__(self, filename, lineno)
        self.classes = classes

    def eval(self, data):
        bb.parse.BBHandler.inherit(self.classes, self.filename, self.lineno, data)

def handleInclude(statements, filename, lineno, m, force):
    statements.append(IncludeNode(filename, lineno, m.group(1), force))

def handleExport(statements, filename, lineno, m):
    statements.append(ExportNode(filename, lineno, m.group(1)))

def handleUnset(statements, filename, lineno, m):
    statements.append(UnsetNode(filename, lineno, m.group(1)))

def handleUnsetFlag(statements, filename, lineno, m):
    statements.append(UnsetFlagNode(filename, lineno, m.group(1), m.group(2)))

def handleData(statements, filename, lineno, groupd):
    statements.append(DataNode(filename, lineno, groupd))

def handleMethod(statements, filename, lineno, func_name, body, python, fakeroot):
    statements.append(MethodNode(filename, lineno, func_name, body, python, fakeroot))

def handlePythonMethod(statements, filename, lineno, funcname, modulename, body):
    statements.append(PythonMethodNode(filename, lineno, funcname, modulename, body))

def handleExportFuncs(statements, filename, lineno, m, classname):
    statements.append(ExportFuncsNode(filename, lineno, m.group(1), classname))

def handleAddTask(statements, filename, lineno, m):
    func = m.group("func")
    before = m.group("before")
    after = m.group("after")
    if func is None:
        return

    statements.append(AddTaskNode(filename, lineno, func, before, after))

def handleDelTask(statements, filename, lineno, m):
    func = m.group(1)
    if func is None:
        return

    statements.append(DelTaskNode(filename, lineno, func))

def handleBBHandlers(statements, filename, lineno, m):
    statements.append(BBHandlerNode(filename, lineno, m.group(1)))

def handleInherit(statements, filename, lineno, m):
    classes = m.group(1)
    statements.append(InheritNode(filename, lineno, classes))

def runAnonFuncs(d):
    code = []
    for funcname in d.getVar("__BBANONFUNCS", False) or []:
        code.append("%s(d)" % funcname)
    bb.utils.better_exec("\n".join(code), {"d": d})

def finalize(fn, d, variant = None):
    saved_handlers = bb.event.get_handlers().copy()
    try:
        for var in d.getVar('__BBHANDLERS', False) or []:
            # try to add the handler
            handlerfn = d.getVarFlag(var, "filename", False)
            if not handlerfn:
                bb.fatal("Undefined event handler function '%s'" % var)
            handlerln = int(d.getVarFlag(var, "lineno", False))
            bb.event.register(var, d.getVar(var, False), (d.getVarFlag(var, "eventmask") or "").split(), handlerfn, handlerln, data=d)

        bb.event.fire(bb.event.RecipePreFinalise(fn), d)

        bb.data.expandKeys(d)

        bb.event.fire(bb.event.RecipePostKeyExpansion(fn), d)

        runAnonFuncs(d)

        tasklist = d.getVar('__BBTASKS', False) or []
        bb.event.fire(bb.event.RecipeTaskPreProcess(fn, list(tasklist)), d)
        bb.build.add_tasks(tasklist, d)

        bb.parse.siggen.finalise(fn, d, variant)

        d.setVar('BBINCLUDED', bb.parse.get_file_depends(d))

        bb.event.fire(bb.event.RecipeParsed(fn), d)
    finally:
        bb.event.set_handlers(saved_handlers)

def _create_variants(datastores, names, function, onlyfinalise):
    def create_variant(name, orig_d, arg = None):
        if onlyfinalise and name not in onlyfinalise:
            return
        new_d = bb.data.createCopy(orig_d)
        function(arg or name, new_d)
        datastores[name] = new_d

    for variant in list(datastores.keys()):
        for name in names:
            if not variant:
                # Based on main recipe
                create_variant(name, datastores[""])
            else:
                create_variant("%s-%s" % (variant, name), datastores[variant], name)

def multi_finalize(fn, d):
    appends = (d.getVar("__BBAPPEND") or "").split()
    for append in appends:
        logger.debug("Appending .bbappend file %s to %s", append, fn)
        bb.parse.BBHandler.handle(append, d, True)

    onlyfinalise = d.getVar("__ONLYFINALISE", False)

    safe_d = d
    d = bb.data.createCopy(safe_d)
    try:
        finalize(fn, d)
    except bb.parse.SkipRecipe as e:
        d.setVar("__SKIPPED", e.args[0])
    datastores = {"": safe_d}

    extended = d.getVar("BBCLASSEXTEND") or ""
    if extended:
        # the following is to support bbextends with arguments, for e.g. multilib
        # an example is as follows:
        #   BBCLASSEXTEND = "multilib:lib32"
        # it will create foo-lib32, inheriting multilib.bbclass and set
        # BBEXTENDCURR to "multilib" and BBEXTENDVARIANT to "lib32"
        extendedmap = {}
        variantmap = {}

        for ext in extended.split():
            eext = ext.split(':', 2)
            if len(eext) > 1:
                extendedmap[ext] = eext[0]
                variantmap[ext] = eext[1]
            else:
                extendedmap[ext] = ext

        pn = d.getVar("PN")
        def extendfunc(name, d):
            if name != extendedmap[name]:
                d.setVar("BBEXTENDCURR", extendedmap[name])
                d.setVar("BBEXTENDVARIANT", variantmap[name])
            else:
                d.setVar("PN", "%s-%s" % (pn, name))
            bb.parse.BBHandler.inherit(extendedmap[name], fn, 0, d)

        safe_d.setVar("BBCLASSEXTEND", extended)
        _create_variants(datastores, extendedmap.keys(), extendfunc, onlyfinalise)

    for variant in datastores.keys():
        if variant:
            try:
                if not onlyfinalise or variant in onlyfinalise:
                    finalize(fn, datastores[variant], variant)
            except bb.parse.SkipRecipe as e:
                datastores[variant].setVar("__SKIPPED", e.args[0])

    datastores[""] = d
    return datastores