Пример #1
0
 def test_unstable_unique(self):
     self.common_check(lists.unstable_unique)
     uc = UnhashableComplex
     res = lists.unstable_unique([uc(1, 0), uc(0, 1), uc(1, 0)])
     # sortable
     self.assertEqual(sorted(lists.unstable_unique(
         [[1, 2], [1, 3], [1, 2], [1, 3]])), [[1, 2], [1, 3]])
     self.assertTrue(
         res == [uc(1, 0), uc(0, 1)] or res == [uc(0, 1), uc(1, 0)], res)
     self.assertEqual(sorted(lists.unstable_unique(self._generator())),
                      sorted(xrange(6)))
Пример #2
0
 def test_unstable_unique(self):
     self.common_check(lists.unstable_unique)
     uc = UnhashableComplex
     res = lists.unstable_unique([uc(1, 0), uc(0, 1), uc(1, 0)])
     # sortable
     self.assertEqual(
         sorted(lists.unstable_unique([[1, 2], [1, 3], [1, 2], [1, 3]])),
         [[1, 2], [1, 3]])
     self.assertTrue(
         res == [uc(1, 0), uc(0, 1)]
         or res == [uc(0, 1), uc(1, 0)], res)
     self.assertEqual(sorted(lists.unstable_unique(self._generator())),
                      sorted(xrange(6)))
Пример #3
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)))
Пример #4
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))
                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)))
Пример #5
0
    def check_values(self, values, args):
        values, args = commandline.OptionParser.check_values(
            self, values, args)
        # XXX hack...
        values.checks = sorted(lists.unstable_unique(
            get_plugins('check', plugins)),
            key=lambda x:x.__name__)
        if values.list_checks or values.list_reporters:
            if values.list_reporters == values.list_checks:
                raise optparse.OptionValueError("--list-checks and "
                    "--list-reporters are mutually exclusive options- "
                    "one or the other.")
            return values, ()
        cwd = None
        if values.suite is None:
            # No suite explicitly specified. Use the repo to guess the suite.
            if values.target_repo is None:
                # Not specified either. Try to find a repo our cwd is in.
                cwd = os.getcwd()
                # The use of a dict here is a hack to deal with one
                # repo having multiple names in the configuration.
                candidates = {}
                for name, suite in values.config.pcheck_suite.iteritems():
                    repo = suite.target_repo
                    if repo is None:
                        continue
                    repo_base = getattr(repo, 'base', None)
                    if repo_base is not None and cwd.startswith(repo_base):
                        candidates[repo] = name
                if len(candidates) == 1:
                    values.guessed_suite = True
                    values.target_repo = tuple(candidates)[0]
            if values.target_repo is not None:
                # We have a repo, now find a suite matching it.
                candidates = list(
                    suite for suite in values.config.pcheck_suite.itervalues()
                    if suite.target_repo is values.target_repo)
                if len(candidates) == 1:
                    values.guessed_suite = True
                    values.suite = candidates[0]
            if values.suite is None:
                # If we have multiple candidates or no candidates we
                # fall back to the default suite.
                values.suite = values.config.get_default('pcheck_suite')
                values.default_suite = values.suite is not None
        if values.suite is not None:
            # We have a suite. Lift defaults from it for values that
            # were not set explicitly:
            if values.checkset is None:
                values.checkset = values.suite.checkset
            if values.src_repo is None:
                values.src_repo = values.suite.src_repo
            # If we were called with no atoms we want to force
            # cwd-based detection.
            if values.target_repo is None:
                if args:
                    values.target_repo = values.suite.target_repo
                elif values.suite.target_repo is not None:
                    # No atoms were passed in, so we want to guess
                    # what to scan based on cwd below. That only makes
                    # sense if we are inside the target repo. We still
                    # want to pick the suite's target repo if we are
                    # inside it, in case there is more than one repo
                    # definition with a base that contains our dir.
                    if cwd is None:
                        cwd = os.getcwd()
                    repo_base = getattr(values.suite.target_repo, 'base', None)
                    if repo_base is not None and cwd.startswith(repo_base):
                        values.target_repo = values.suite.target_repo
        if values.target_repo is None:
            # We have no target repo (not explicitly passed, not from
            # a suite, not from an earlier guess at the target_repo).
            # Try to guess one from cwd:
            if cwd is None:
                cwd = os.getcwd()
            candidates = {}
            for name, repo in values.config.repo.iteritems():
                repo_base = getattr(repo, 'base', None)
                if repo_base is not None and cwd.startswith(repo_base):
                    candidates[repo] = name
            if not candidates:
                self.error(
                    'No target repo specified on commandline or suite and '
                    'current directory is not inside a known repo.')
            elif len(candidates) > 1:
                self.error(
                    'Found multiple matches when guessing repo based on '
                    'current directory (%s). Specify a repo on the '
                    'commandline or suite or remove some repos from your '
                    'configuration.' % (
                        ', '.join(str(repo) for repo in candidates),))
            values.target_repo = tuple(candidates)[0]

        if values.reporter is None:
            values.reporter = values.config.get_default(
                'pcheck_reporter_factory')
            if values.reporter is None:
                values.reporter = get_plugin('reporter', plugins)
            if values.reporter is None:
                self.error('no config defined reporter found, nor any default '
                    'plugin based reporters')
        else:
            func = values.config.pcheck_reporter_factory.get(values.reporter)
            if func is None:
                func = list(base.Whitelist([values.reporter]).filter(
                    get_plugins('reporter', plugins)))
                if not func:
                    self.error("no reporter matches %r\n"
                        "please see --list-reporter for a list of "
                        "valid reporters" % values.reporter)
                elif len(func) > 1:
                    self.error("--reporter %r matched multiple reporters, "
                        "must match one. %r" %
                            (values.reporter,
                                tuple(sorted("%s.%s" %
                                    (x.__module__, x.__name__)
                                    for x in func))
                            )
                    )
                func = func[0]
            values.reporter = func
        if values.src_repo is None:
            values.src_repo = values.target_repo
            values.search_repo = values.target_repo
        else:
            values.search_repo = multiplex.tree(values.target_repo,
                                                values.src_repo)

        # TODO improve this to deal with a multiplex repo.
        for repo in set((values.src_repo, values.target_repo)):
            if isinstance(repo, repository.UnconfiguredTree):
                values.repo_bases.append(osutils.abspath(repo.base))

        if args:
            values.limiters = lists.stable_unique(map(
                    parserestrict.parse_match, args))
        else:
            repo_base = getattr(values.target_repo, 'base', None)
            if not repo_base:
                self.error(
                    'Either specify a target repo that is not multi-tree or '
                    'one or more extended atoms to scan '
                    '("*" for the entire repo).')
            cwd = osutils.abspath(os.getcwd())
            repo_base = osutils.abspath(repo_base)
            if not cwd.startswith(repo_base):
                self.error(
                    'Working dir (%s) is not inside target repo (%s). Fix '
                    'that or specify one or more extended atoms to scan.' % (
                        cwd, repo_base))
            bits = list(p for p in cwd[len(repo_base):].split(os.sep) if p)
            if not bits:
                values.limiters = [packages.AlwaysTrue]
            elif len(bits) == 1:
                values.limiters = [packages.PackageRestriction(
                        'category', StrExactMatch(bits[0]))]
            else:
                values.limiters = [packages.AndRestriction(
                        packages.PackageRestriction(
                            'category', StrExactMatch(bits[0])),
                        packages.PackageRestriction(
                            'package', StrExactMatch(bits[1])))]

        if values.checkset is None:
            values.checkset = values.config.get_default('pcheck_checkset')
        if values.checkset is not None:
            values.checks = list(values.checkset.filter(values.checks))

        if values.checks_to_run:
            whitelist = base.Whitelist(values.checks_to_run)
            values.checks = list(whitelist.filter(values.checks))

        if values.checks_to_disable:
            blacklist = base.Blacklist(values.checks_to_disable)
            values.checks = list(blacklist.filter(values.checks))

        if not values.checks:
            self.error('No active checks')

        values.addons = set()
        def add_addon(addon):
            if addon not in values.addons:
                values.addons.add(addon)
                for dep in addon.required_addons:
                    add_addon(dep)
        for check in values.checks:
            add_addon(check)
        try:
            for addon in values.addons:
                addon.check_values(values)
        except optparse.OptionValueError, e:
            if values.debug:
                raise
            self.error(str(e))