Beispiel #1
0
    def test_filtering(self):
        repo, vrepo = self.setup_repos()
        a = atom("dev-lib/fake")
        a2 = atom("dev-util/diffball")
        self.assertEqual(
            sorted(vrepo.itermatch(a)), sorted(repo.itermatch(a)))
        self.assertEqual(sorted(vrepo.itermatch(a2)), sorted([]))
        repo, vrepo = self.setup_repos(atom("=dev-util/diffball-1.0"))
        self.assertEqual(
            sorted(vrepo.itermatch(a)), sorted(repo.itermatch(a)))
        self.assertEqual(
            sorted(vrepo.itermatch(a2)),
            sorted([versioned_CPV("dev-util/diffball-0.7")]))
        repo, vrepo = self.setup_repos(packages.PackageRestriction(
            "package", values.OrRestriction(
                *[values.StrExactMatch(x) for x in ("diffball", "fake")])))
        self.assertEqual(
            sorted(vrepo.itermatch(packages.AlwaysTrue)),
            sorted(repo.itermatch(atom("dev-util/bsdiff"))))

        # check sentinel value handling.
        vrepo = filterTree(repo, a2, sentinel_val=True)
        self.assertEqual(
            sorted(x.cpvstr for x in vrepo),
            sorted(['dev-util/diffball-0.7', 'dev-util/diffball-1.0']))
Beispiel #2
0
 def setup_repos(self, restrictions=None):
     repo = SimpleTree({
         "dev-util": {"diffball": ["1.0", "0.7"], "bsdiff": ["0.4.1", "0.4.2"]},
         "dev-lib": {"fake": ["1.0", "1.0-r1"]}})
     if restrictions is None:
         restrictions = atom("dev-util/diffball")
     vrepo = filterTree(repo, restrictions)
     return repo, vrepo
Beispiel #3
0
    def __init__(self,
                 dbs,
                 per_repo_strategy,
                 global_strategy=None,
                 depset_reorder_strategy=None,
                 process_built_depends=False,
                 drop_cycles=False,
                 debug=False,
                 debug_handle=None):

        if debug_handle is None:
            debug_handle = sys.stdout

        self.debug_handler = debug_handle

        self._dprint = partial(dprint, debug_handle)

        if not isinstance(dbs, (list, tuple)):
            dbs = [dbs]

        if global_strategy is None:
            global_strategy = self.default_global_strategy

        if depset_reorder_strategy is None:
            depset_reorder_strategy = self.default_depset_reorder_strategy

        self.depset_reorder = depset_reorder_strategy
        self.per_repo_strategy = per_repo_strategy
        self.total_ordering_strategy = global_strategy
        self.all_raw_dbs = [
            misc.caching_repo(x, self.per_repo_strategy) for x in dbs
        ]
        self.all_dbs = global_strategy(self.all_raw_dbs)
        self.default_dbs = self.all_dbs

        self.state = state.plan_state()
        vdb_state_filter_restrict = MutableContainmentRestriction(
            self.state.vdb_filter)
        self.livefs_dbs = multiplex.tree(*[
            visibility.filterTree(x, vdb_state_filter_restrict)
            for x in self.all_raw_dbs if x.livefs
        ])

        self.insoluble = set()
        self.vdb_preloaded = False
        self._ensure_livefs_is_loaded = \
            self._ensure_livefs_is_loaded_nonpreloaded
        self.drop_cycles = drop_cycles
        self.skipdeps = ()
        self.process_built_depends = process_built_depends
        self._debugging = debug
        if debug:
            self._rec_add_atom = partial(self._stack_debugging_rec_add_atom,
                                         self._rec_add_atom)
            self._debugging_depth = 0
            self._debugging_drop_cycles = False
Beispiel #4
0
    def __init__(self, dbs, per_repo_strategy,
                 global_strategy=None,
                 depset_reorder_strategy=None,
                 process_built_depends=False,
                 drop_cycles=False, debug=False, debug_handle=None):

        if debug_handle is None:
            debug_handle = sys.stdout

        self.debug_handler = debug_handle

        self._dprint = partial(dprint, debug_handle)

        if not isinstance(dbs, (list, tuple)):
            dbs = [dbs]

        if global_strategy is None:
            global_strategy = self.default_global_strategy

        if depset_reorder_strategy is None:
            depset_reorder_strategy = self.default_depset_reorder_strategy

        self.depset_reorder = depset_reorder_strategy
        self.per_repo_strategy = per_repo_strategy
        self.total_ordering_strategy = global_strategy
        self.all_raw_dbs = [misc.caching_repo(x, self.per_repo_strategy) for x in dbs]
        self.all_dbs = global_strategy(self, self.all_raw_dbs)
        self.default_dbs = self.all_dbs

        self.state = state.plan_state()
        vdb_state_filter_restrict = MutableContainmentRestriction(self.state.vdb_filter)
        self.livefs_dbs = multiplex.tree(
            *[visibility.filterTree(x, vdb_state_filter_restrict)
                for x in self.all_raw_dbs if x.livefs])

        self.insoluble = set()
        self.vdb_preloaded = False
        self._ensure_livefs_is_loaded = \
            self._ensure_livefs_is_loaded_nonpreloaded
        self.drop_cycles = drop_cycles
        self.process_built_depends = process_built_depends
        self._debugging = debug
        if debug:
            self._rec_add_atom = partial(self._stack_debugging_rec_add_atom,
                self._rec_add_atom)
            self._debugging_depth = 0
            self._debugging_drop_cycles = False
Beispiel #5
0
    def __init__(self, profile, repositories, vdb, name=None,
                 root='/', prefix='/', incrementals=const.incrementals,
                 triggers=(), **settings):
        # voodoo, unfortunately (so it goes)
        # break this up into chunks once it's stabilized (most of code
        # here has already, but still more to add)
        self._triggers = triggers
        self.name = name

        # prevent critical variables from being changed in make.conf
        for k in profile.profile_only_variables.intersection(settings.keys()):
            del settings[k]

        if 'CHOST' in settings and 'CBUILD' not in settings:
            settings['CBUILD'] = settings['CHOST']

        # if unset, MAKEOPTS defaults to CPU thread count
        if 'MAKEOPTS' not in settings:
            settings['MAKEOPTS'] = '-j%i' % cpu_count()

        # map out sectionname -> config manager immediately.
        repositories_collapsed = [r.collapse() for r in repositories]
        repositories = [r.instantiate() for r in repositories_collapsed]

        self.fetcher = settings.pop("fetcher")

        self.default_licenses_manager = OverlayedLicenses(*repositories)
        vdb_collapsed = [r.collapse() for r in vdb]
        vdb = [r.instantiate() for r in vdb_collapsed]
        self.repos_raw = {
            collapsed.name: repo for (collapsed, repo) in izip(
                repositories_collapsed, repositories)}
        self.repos_raw.update(
            (collapsed.name, repo) for (collapsed, repo) in izip(
                vdb_collapsed, vdb))
        self.repos_raw.pop(None, None)
        if profile.provides_repo is not None:
            self.repos_raw['package.provided'] = profile.provides_repo
            vdb.append(profile.provides_repo)

        self.profile = profile
        pkg_masks, pkg_unmasks, pkg_keywords, pkg_licenses = [], [], [], []
        pkg_use, self.bashrcs = [], []

        self.ebuild_hook_dir = settings.pop("ebuild_hook_dir", None)

        for key, val, action in (
            ("package.mask", pkg_masks, parse_match),
            ("package.unmask", pkg_unmasks, parse_match),
            ("package.keywords", pkg_keywords, package_keywords_splitter),
            ("package.accept_keywords", pkg_keywords, package_keywords_splitter),
            ("package.license", pkg_licenses, package_keywords_splitter),
            ("package.use", pkg_use, package_keywords_splitter),
            ("package.env", self.bashrcs, package_env_splitter),
            ):

            for fp in settings.pop(key, ()):
                try:
                    if key == "package.env":
                        base = self.ebuild_hook_dir
                        if base is None:
                            base = os.path.dirname(fp)
                        action = partial(action, base)
                    for fs_obj in iter_scan(fp, follow_symlinks=True):
                        if not fs_obj.is_reg or '/.' in fs_obj.location:
                            continue
                        val.extend(
                            action(x) for x in
                            iter_read_bash(fs_obj.location, allow_line_cont=True))
                except EnvironmentError as e:
                    if e.errno == errno.ENOENT:
                        raise MissingFile(fp, key)
                    raise_from(Failure("failed reading '%s': %s" % (fp, e)))
                except ValueError as e:
                    raise_from(Failure("failed reading '%s': %s" % (fp, e)))

        for x in incrementals:
            if isinstance(settings.get(x), basestring):
                settings[x] = tuple(settings[x].split())

        # roughly... all incremental stacks should be interpreted left -> right
        # as such we start with the profile settings, and append ours onto it.
        for k, v in profile.default_env.iteritems():
            if k not in settings:
                settings[k] = v
                continue
            if k in incrementals:
                settings[k] = v + tuple(settings[k])

        # next we finalize incrementals.
        for incremental in incrementals:
            # Skip USE/ACCEPT_LICENSE for the time being; hack; we need the
            # negations currently so that pkg iuse induced enablings can be
            # disabled by negations. For example, think of the profile doing
            # USE=-cdr for brasero w/ IUSE=+cdr. Similarly, ACCEPT_LICENSE is
            # skipped because negations are required for license filtering.
            if incremental not in settings or incremental in ("USE", "ACCEPT_LICENSE"):
                continue
            s = set()
            incremental_expansion(
                s, settings[incremental],
                'While expanding %s ' % (incremental,))
            settings[incremental] = tuple(s)

        # use is collapsed; now stack use_expand.
        use = settings['USE'] = set(optimize_incrementals(
            list(settings.get('USE', ())) + os.environ.get('USE', '').split()))

        self._extend_use_for_features(use, settings.get("FEATURES", ()))

        for u in profile.use_expand:
            v = settings.get(u)
            if v is None:
                continue
            u2 = u.lower()+"_"
            use.update(u2 + x for x in v.split())

        if 'ACCEPT_KEYWORDS' not in settings:
            raise Failure("No ACCEPT_KEYWORDS setting detected from profile, "
                          "or user config")
        s = set()
        default_keywords = []
        incremental_expansion(
            s, settings['ACCEPT_KEYWORDS'],
            'while expanding ACCEPT_KEYWORDS')
        default_keywords.extend(s)
        settings['ACCEPT_KEYWORDS'] = set(default_keywords)

        self.use = use

        if "ARCH" not in settings:
            raise Failure(
                "No ARCH setting detected from profile, or user config")

        self.arch = self.stable_arch = settings["ARCH"]
        self.unstable_arch = "~%s" % self.arch

        # ~amd64 -> [amd64, ~amd64]
        for x in default_keywords[:]:
            if x.startswith("~"):
                default_keywords.append(x.lstrip("~"))
        default_keywords = unstable_unique(default_keywords + [self.arch])

        accept_keywords = pkg_keywords + list(profile.accept_keywords)
        vfilters = [self.make_keywords_filter(
            self.arch, default_keywords, accept_keywords, profile.keywords,
            incremental="package.keywords" in incrementals)]

        del default_keywords, accept_keywords

        # we can finally close that fricking
        # "DISALLOW NON FOSS LICENSES" bug via this >:)
        master_license = []
        master_license.extend(settings.get('ACCEPT_LICENSE', ()))
        if master_license or pkg_licenses:
            vfilters.append(self.make_license_filter(master_license, pkg_licenses))

        del master_license

        # if it's made it this far...

        self.root = settings["ROOT"] = root
        self.prefix = prefix
        self.settings = ProtectedDict(settings)

        for data in self.settings.get('bashrc', ()):
            source = local_source(data)
            # this is currently local-only so a path check is ok
            # TODO make this more general
            if not os.path.exists(source.path):
                raise Failure(
                    'user-specified bashrc %r does not exist' % (data,))
            self.bashrcs.append((packages.AlwaysTrue, source))

        # stack use stuff first, then profile.
        self.enabled_use = ChunkedDataDict()
        self.enabled_use.add_bare_global(*split_negations(self.use))
        self.enabled_use.merge(profile.pkg_use)
        self.enabled_use.update_from_stream(
            chunked_data(k, *split_negations(v)) for k, v in pkg_use)

        for attr in ('', 'stable_'):
             c = ChunkedDataDict()
             c.merge(getattr(profile, attr + 'forced_use'))
             c.add_bare_global((), (self.arch,))
             setattr(self, attr + 'forced_use', c)

             c = ChunkedDataDict()
             c.merge(getattr(profile, attr + 'masked_use'))
             setattr(self, attr + 'disabled_use', c)

        self.repos = []
        self.vdb = []
        self.repos_configured = {}
        self.repos_configured_filtered = {}

        rev_names = {repo: name for name, repo in self.repos_raw.iteritems()}

        profile_masks = profile._incremental_masks()
        profile_unmasks = profile._incremental_unmasks()
        repo_masks = {r.repo_id: r._visibility_limiters() for r in repositories}

        for l, repos, filtered in ((self.repos, repositories, True),
                                   (self.vdb, vdb, False)):
            for repo in repos:
                if not repo.configured:
                    pargs = [repo]
                    try:
                        for x in repo.configurables:
                            if x == "domain":
                                pargs.append(self)
                            elif x == "settings":
                                pargs.append(settings)
                            elif x == "profile":
                                pargs.append(profile)
                            else:
                                pargs.append(getattr(self, x))
                    except AttributeError as ae:
                        raise_from(Failure("failed configuring repo '%s': "
                                           "configurable missing: %s" % (repo, ae)))
                    wrapped_repo = repo.configure(*pargs)
                else:
                    wrapped_repo = repo
                key = rev_names.get(repo)
                self.repos_configured[key] = wrapped_repo
                if filtered:
                    config = getattr(repo, 'config', None)
                    masters = getattr(config, 'masters', ())
                    if masters is None:
                        # tough cookies.  If a user has an overlay, no masters
                        # defined, we're not applying the portdir masks.
                        # we do this both since that's annoying, and since
                        # frankly there isn't any good course of action.
                        masters = ()
                    global_masks = [repo_masks.get(master, [(), ()]) for master in masters]
                    global_masks.append(repo_masks[repo.repo_id])
                    global_masks.extend(profile_masks)
                    masks = set()
                    for neg, pos in global_masks:
                        masks.difference_update(neg)
                        masks.update(pos)
                    masks.update(pkg_masks)
                    unmasks = set(chain(pkg_unmasks, *profile_unmasks))
                    filtered = generate_filter(masks, unmasks, *vfilters)
                if filtered:
                    wrapped_repo = visibility.filterTree(wrapped_repo, filtered, True)
                self.repos_configured_filtered[key] = wrapped_repo
                l.append(wrapped_repo)

        self.use_expand_re = re.compile(
            "^(?:[+-])?(%s)_(.*)$" %
            "|".join(x.lower() for x in sorted(profile.use_expand, reverse=True)))
Beispiel #6
0
    def __init__(self,
                 profile,
                 repositories,
                 vdb,
                 name=None,
                 root='/',
                 prefix='/',
                 incrementals=const.incrementals,
                 triggers=(),
                 **settings):
        # voodoo, unfortunately (so it goes)
        # break this up into chunks once it's stabilized (most of code
        # here has already, but still more to add)
        self._triggers = triggers

        # prevent critical variables from being changed by the user in make.conf
        for k in set(profile.profile_only_variables).intersection(
                settings.keys()):
            del settings[k]

        if 'CHOST' in settings and 'CBUILD' not in settings:
            settings['CBUILD'] = settings['CHOST']

        # map out sectionname -> config manager immediately.
        repositories_collapsed = [r.collapse() for r in repositories]
        repositories = [r.instantiate() for r in repositories_collapsed]

        self.fetcher = settings.pop("fetcher")

        self.default_licenses_manager = OverlayedLicenses(*repositories)
        vdb_collapsed = [r.collapse() for r in vdb]
        vdb = [r.instantiate() for r in vdb_collapsed]
        self.repos_raw = {
            collapsed.name: repo
            for (collapsed, repo) in izip(repositories_collapsed, repositories)
        }
        self.repos_raw.update(
            (collapsed.name, repo)
            for (collapsed, repo) in izip(vdb_collapsed, vdb))
        self.repos_raw.pop(None, None)
        if profile.provides_repo is not None:
            self.repos_raw['package.provided'] = profile.provides_repo
            vdb.append(profile.provides_repo)

        self.profile = profile
        pkg_maskers, pkg_unmaskers, pkg_keywords, pkg_licenses = [], [], [], []
        pkg_use, self.bashrcs = [], []

        self.ebuild_hook_dir = settings.pop("ebuild_hook_dir", None)

        for key, val, action in (
            ("package.mask", pkg_maskers, parse_match),
            ("package.unmask", pkg_unmaskers, parse_match),
            ("package.keywords", pkg_keywords, package_keywords_splitter),
            ("package.accept_keywords", pkg_keywords,
             package_keywords_splitter),
            ("package.license", pkg_licenses, package_keywords_splitter),
            ("package.use", pkg_use, package_keywords_splitter),
            ("package.env", self.bashrcs, package_env_splitter),
        ):

            for fp in settings.pop(key, ()):
                try:
                    if key == "package.env":
                        base = self.ebuild_hook_dir
                        if base is None:
                            base = os.path.dirname(fp)
                        action = partial(action, base)
                    for fs_obj in iter_scan(fp, follow_symlinks=True):
                        if not fs_obj.is_reg or '/.' in fs_obj.location:
                            continue
                        val.extend(
                            action(x) for x in iter_read_bash(fs_obj.location))
                except EnvironmentError as e:
                    if e.errno == errno.ENOENT:
                        raise MissingFile(fp, key)
                    raise_from(Failure("failed reading '%s': %s" % (fp, e)))
                except ValueError as e:
                    raise_from(Failure("failed reading '%s': %s" % (fp, e)))

        self.name = name
        settings.setdefault("PKGCORE_DOMAIN", name)
        for x in incrementals:
            if isinstance(settings.get(x), basestring):
                settings[x] = tuple(settings[x].split())

        # roughly... all incremental stacks should be interpreted left -> right
        # as such we start with the profile settings, and append ours onto it.
        for k, v in profile.default_env.iteritems():
            if k not in settings:
                settings[k] = v
                continue
            if k in incrementals:
                settings[k] = v + tuple(settings[k])

        # next we finalize incrementals.
        for incremental in incrementals:
            # Skip USE/ACCEPT_LICENSE for the time being; hack; we need the
            # negations currently so that pkg iuse induced enablings can be
            # disabled by negations. For example, think of the profile doing
            # USE=-cdr for brasero w/ IUSE=+cdr. Similarly, ACCEPT_LICENSE is
            # skipped because negations are required for license filtering.
            if incremental not in settings or incremental in (
                    "USE", "ACCEPT_LICENSE"):
                continue
            s = set()
            incremental_expansion(s, settings[incremental],
                                  'While expanding %s ' % (incremental, ))
            settings[incremental] = tuple(s)

        # use is collapsed; now stack use_expand.
        use = settings['USE'] = set(
            optimize_incrementals(settings.get("USE", ())))

        self._extend_use_for_features(use, settings.get("FEATURES", ()))

        self.use_expand = frozenset(profile.use_expand)
        self.use_expand_hidden = frozenset(profile.use_expand_hidden)
        for u in profile.use_expand:
            v = settings.get(u)
            if v is None:
                continue
            u2 = u.lower() + "_"
            use.update(u2 + x for x in v.split())

        if not 'ACCEPT_KEYWORDS' in settings:
            raise Failure("No ACCEPT_KEYWORDS setting detected from profile, "
                          "or user config")
        s = set()
        default_keywords = []
        incremental_expansion(s, settings['ACCEPT_KEYWORDS'],
                              'while expanding ACCEPT_KEYWORDS')
        default_keywords.extend(s)
        settings['ACCEPT_KEYWORDS'] = set(default_keywords)

        self.use = use

        if "ARCH" not in settings:
            raise Failure(
                "No ARCH setting detected from profile, or user config")

        self.arch = self.stable_arch = settings["ARCH"]
        self.unstable_arch = "~%s" % self.arch

        # ~amd64 -> [amd64, ~amd64]
        for x in default_keywords[:]:
            if x.startswith("~"):
                default_keywords.append(x.lstrip("~"))
        default_keywords = unstable_unique(default_keywords + [self.arch])

        accept_keywords = pkg_keywords + list(profile.accept_keywords)
        vfilters = [
            self.make_keywords_filter(self.arch,
                                      default_keywords,
                                      accept_keywords,
                                      profile.keywords,
                                      incremental="package.keywords"
                                      in incrementals)
        ]

        del default_keywords, accept_keywords

        # we can finally close that fricking
        # "DISALLOW NON FOSS LICENSES" bug via this >:)
        master_license = []
        master_license.extend(settings.get('ACCEPT_LICENSE', ()))
        if master_license or pkg_licenses:
            vfilters.append(
                self.make_license_filter(master_license, pkg_licenses))

        del master_license

        # if it's made it this far...

        self.root = settings["ROOT"] = root
        self.prefix = prefix
        self.settings = ProtectedDict(settings)

        for data in self.settings.get('bashrc', ()):
            source = local_source(data)
            # this is currently local-only so a path check is ok
            # TODO make this more general
            if not os.path.exists(source.path):
                raise Failure('user-specified bashrc %r does not exist' %
                              (data, ))
            self.bashrcs.append((packages.AlwaysTrue, source))

        # stack use stuff first, then profile.
        self.enabled_use = ChunkedDataDict()
        self.enabled_use.add_bare_global(*split_negations(self.use))
        self.enabled_use.merge(profile.pkg_use)
        self.enabled_use.update_from_stream(
            chunked_data(k, *split_negations(v)) for k, v in pkg_use)

        for attr in ('', 'stable_'):
            c = ChunkedDataDict()
            c.merge(getattr(profile, attr + 'forced_use'))
            c.add_bare_global((), (self.arch, ))
            setattr(self, attr + 'forced_use', c)

            c = ChunkedDataDict()
            c.merge(getattr(profile, attr + 'masked_use'))
            setattr(self, attr + 'disabled_use', c)

        self.repos = []
        self.vdb = []
        self.repos_configured = {}
        self.repos_configured_filtered = {}

        rev_names = {repo: name for name, repo in self.repos_raw.iteritems()}

        profile_masks = profile._incremental_masks()
        profile_unmasks = profile._incremental_unmasks()
        repo_masks = {
            r.repo_id: r._visibility_limiters()
            for r in repositories
        }

        for l, repos, filtered in ((self.repos, repositories, True),
                                   (self.vdb, vdb, False)):
            for repo in repos:
                if not repo.configured:
                    pargs = [repo]
                    try:
                        for x in repo.configurables:
                            if x == "domain":
                                pargs.append(self)
                            elif x == "settings":
                                pargs.append(settings)
                            elif x == "profile":
                                pargs.append(profile)
                            else:
                                pargs.append(getattr(self, x))
                    except AttributeError as ae:
                        raise_from(
                            Failure("failed configuring repo '%s': "
                                    "configurable missing: %s" % (repo, ae)))
                    wrapped_repo = repo.configure(*pargs)
                else:
                    wrapped_repo = repo
                key = rev_names.get(repo)
                self.repos_configured[key] = wrapped_repo
                if filtered:
                    config = getattr(repo, 'config', None)
                    masters = getattr(config, 'masters', ())
                    if masters is None:
                        # tough cookies.  If a user has an overlay, no masters
                        # defined, we're not applying the portdir masks.
                        # we do this both since that's annoying, and since
                        # frankly there isn't any good course of action.
                        masters = ()
                    masks = [
                        repo_masks.get(master, [(), ()]) for master in masters
                    ]
                    masks.append(repo_masks[repo.repo_id])
                    masks.extend(profile_masks)
                    mask_atoms = set()
                    for neg, pos in masks:
                        mask_atoms.difference_update(neg)
                        mask_atoms.update(pos)
                    mask_atoms.update(pkg_maskers)
                    unmask_atoms = set(chain(pkg_unmaskers, *profile_unmasks))
                    filtered = self.generate_filter(
                        generate_masking_restrict(mask_atoms),
                        generate_unmasking_restrict(unmask_atoms), *vfilters)
                if filtered:
                    wrapped_repo = visibility.filterTree(
                        wrapped_repo, filtered, True)
                self.repos_configured_filtered[key] = wrapped_repo
                l.append(wrapped_repo)

        if profile.virtuals:
            l = [
                x for x in (getattr(v, 'old_style_virtuals', None)
                            for v in self.vdb) if x is not None
            ]
            profile_repo = profile.make_virtuals_repo(
                multiplex.tree(*repositories), *l)
            self.repos_raw["profile virtuals"] = profile_repo
            self.repos_configured_filtered["profile virtuals"] = profile_repo
            self.repos_configured["profile virtuals"] = profile_repo
            self.repos = [profile_repo] + self.repos

        self.use_expand_re = re.compile(
            "^(?:[+-])?(%s)_(.*)$" %
            "|".join(x.lower() for x in sorted(self.use_expand, reverse=True)))