Beispiel #1
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 def filter_targets(
         self, targets):  # type: (t.List[TestTarget]) -> t.List[TestTarget]
     """Return the given list of test targets, filtered to include only those relevant for the test."""
     return [
         target for target in targets
         if os.path.splitext(target.path)[1] == '.py' and (
             is_subdir(target.path,
                       data_context().content.module_path)
             or is_subdir(target.path,
                          data_context().content.module_utils_path))
     ]
Beispiel #2
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    def __init__(self, path, module_path, module_prefix, base_path):
        """
        :type path: str
        :type module_path: str | None
        :type module_prefix: str | None
        :type base_path: str
        """
        super(TestTarget, self).__init__()

        self.name = path
        self.path = path
        self.base_path = base_path + '/' if base_path else None

        name, ext = os.path.splitext(os.path.basename(self.path))

        if module_path and is_subdir(path, module_path) and name != '__init__' and ext in MODULE_EXTENSIONS:
            self.module = name[len(module_prefix or ''):].lstrip('_')
            self.modules = (self.module,)
        else:
            self.module = None
            self.modules = tuple()

        aliases = [self.path, self.module]
        parts = self.path.split('/')

        for i in range(1, len(parts)):
            alias = '%s/' % '/'.join(parts[:i])
            aliases.append(alias)

        aliases = [a for a in aliases if a]

        self.aliases = tuple(sorted(aliases))
Beispiel #3
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    def create_content_layout(
            layout_providers,  # type: t.List[t.Type[LayoutProvider]]
            source_providers,  # type: t.List[t.Type[SourceProvider]]
            root,  # type: str
            walk,  # type: bool
    ):  # type: (...) -> ContentLayout
        """Create a content layout using the given providers and root path."""
        layout_provider = find_path_provider(LayoutProvider, layout_providers,
                                             root, walk)

        try:
            source_provider = find_path_provider(SourceProvider,
                                                 source_providers, root, walk)
        except ProviderNotFoundForPath:
            source_provider = UnversionedSource(layout_provider.root)

        if source_provider.root != layout_provider.root and is_subdir(
                source_provider.root, layout_provider.root):
            raise UnexpectedSourceRoot(source_provider.root,
                                       layout_provider.root)

        layout = layout_provider.create(
            layout_provider.root,
            source_provider.get_paths(layout_provider.root))

        return layout
Beispiel #4
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    def __init__(self):
        content_path = os.environ.get('ANSIBLE_TEST_CONTENT_ROOT')
        current_path = os.getcwd()

        self.__layout_providers = get_path_provider_classes(LayoutProvider)
        self.__source_providers = get_path_provider_classes(SourceProvider)
        self.payload_callbacks = [
        ]  # type: t.List[t.Callable[t.List[t.Tuple[str, str]], None]]

        if content_path:
            content = self.create_content_layout(self.__layout_providers,
                                                 self.__source_providers,
                                                 content_path, False)

            if content.is_ansible:
                install = content
            else:
                install = None
        elif is_subdir(current_path, ANSIBLE_ROOT):
            content = self.create_content_layout(self.__layout_providers,
                                                 self.__source_providers,
                                                 ANSIBLE_ROOT, False)
            install = InstallLayout(ANSIBLE_ROOT, content.all_files())
        else:
            content = self.create_content_layout(self.__layout_providers,
                                                 self.__source_providers,
                                                 current_path, True)
            install = None

        self.__install = install  # type: t.Optional[InstallLayout]
        self.content = content  # type: ContentLayout
Beispiel #5
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    def filter_targets(self, targets):  # type: (t.List[TestTarget]) -> t.List[TestTarget]
        """Return the given list of test targets, filtered to include only those relevant for the test."""
        if self.no_targets:
            return []

        if self.text is not None:
            if self.text:
                targets = [target for target in targets if not is_binary_file(target.path)]
            else:
                targets = [target for target in targets if is_binary_file(target.path)]

        if self.extensions:
            targets = [target for target in targets if os.path.splitext(target.path)[1] in self.extensions
                       or (is_subdir(target.path, 'bin') and '.py' in self.extensions)]

        if self.prefixes:
            targets = [target for target in targets if any(target.path.startswith(pre) for pre in self.prefixes)]

        if self.files:
            targets = [target for target in targets if os.path.basename(target.path) in self.files]

        if self.ignore_self and data_context().content.is_ansible:
            relative_self_path = os.path.relpath(self.path, data_context().content.root)
            targets = [target for target in targets if target.path != relative_self_path]

        return targets
Beispiel #6
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 def filter_targets(
         self, targets):  # type: (t.List[TestTarget]) -> t.List[TestTarget]
     """Return the given list of test targets, filtered to include only those relevant for the test."""
     return [
         target for target in targets
         if os.path.splitext(target.path)[1] == '.py'
         or is_subdir(target.path, 'bin')
     ]
Beispiel #7
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    def filter_targets(
            self, targets):  # type: (t.List[TestTarget]) -> t.List[TestTarget]
        """Return the given list of test targets, filtered to include only those relevant for the test."""
        yaml_targets = [
            target for target in targets
            if os.path.splitext(target.path)[1] in ('.yml', '.yaml')
        ]

        for plugin_type, plugin_path in sorted(
                data_context().content.plugin_paths.items()):
            if plugin_type == 'module_utils':
                continue

            yaml_targets.extend([
                target for target in targets
                if os.path.splitext(target.path)[1] == '.py'
                and os.path.basename(target.path) != '__init__.py'
                and is_subdir(target.path, plugin_path)
            ])

        return yaml_targets
Beispiel #8
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    def filter_targets(self, targets):  # type: (t.List[TestTarget]) -> t.List[TestTarget]
        """Return the given list of test targets, filtered to include only those relevant for the test."""
        # This should use documentable plugins from constants instead
        plugin_type_blacklist = set([
            # not supported by ansible-doc
            'action',
            'doc_fragments',
            'filter',
            'module_utils',
            'netconf',
            'terminal',
            'test',
        ])

        plugin_paths = [plugin_path for plugin_type, plugin_path in data_context().content.plugin_paths.items() if plugin_type not in plugin_type_blacklist]

        return [target for target in targets
                if os.path.splitext(target.path)[1] == '.py'
                and os.path.basename(target.path) != '__init__.py'
                and any(is_subdir(target.path, path) for path in plugin_paths)
                ]
Beispiel #9
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    def get_dependent_paths_internal(self, path):
        """
        :type path: str
        :rtype: list[str]
        """
        ext = os.path.splitext(os.path.split(path)[1])[1]

        if is_subdir(path, data_context().content.module_utils_path):
            if ext == '.py':
                return self.get_python_module_utils_usage(path)

            if ext == '.psm1':
                return self.get_powershell_module_utils_usage(path)

            if ext == '.cs':
                return self.get_csharp_module_utils_usage(path)

        if path.startswith('test/integration/targets/'):
            return self.get_integration_target_usage(path)

        return []
Beispiel #10
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    def test(self, args, targets):
        """
        :type args: SanityConfig
        :type targets: SanityTargets
        :rtype: TestResult
        """
        paths = [
            [
                i.path for i in targets.include
                if os.path.splitext(i.path)[1] in ('.yml', '.yaml')
            ],
        ]

        for plugin_type, plugin_path in sorted(
                data_context().content.plugin_paths.items()):
            if plugin_type == 'module_utils':
                continue

            paths.append([
                target.path for target in targets.include
                if os.path.splitext(target.path)[1] == '.py'
                and os.path.basename(target.path) != '__init__.py'
                and is_subdir(target.path, plugin_path)
            ])

        paths = [sorted(p) for p in paths if p]

        if not paths:
            return SanitySkipped(self.name)

        results = []

        for test_paths in paths:
            results += self.test_paths(args, test_paths)

        if results:
            return SanityFailure(self.name, messages=results)

        return SanitySuccess(self.name)
Beispiel #11
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    def test(self, args, targets):
        """
        :type args: SanityConfig
        :type targets: SanityTargets
        :rtype: TestResult
        """
        settings = self.load_settings(args, 'ansible-test')

        paths = [
            i.path for i in targets.include
            if os.path.splitext(i.path)[1] in ('.yml', '.yaml')
        ]

        for plugin_type, plugin_path in sorted(
                data_context().content.plugin_paths.items()):
            if plugin_type == 'module_utils':
                continue

            paths.extend([
                target.path for target in targets.include
                if os.path.splitext(target.path)[1] == '.py'
                and os.path.basename(target.path) != '__init__.py'
                and is_subdir(target.path, plugin_path)
            ])

        paths = settings.filter_skipped_paths(paths)

        if not paths:
            return SanitySkipped(self.name)

        results = self.test_paths(args, paths)
        results = settings.process_errors(results, paths)

        if results:
            return SanityFailure(self.name, messages=results)

        return SanitySuccess(self.name)
Beispiel #12
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    def test(self, args, targets):
        """
        :type args: SanityConfig
        :type targets: SanityTargets
        :rtype: TestResult
        """
        if args.python_version in UNSUPPORTED_PYTHON_VERSIONS:
            display.warning('Skipping pylint on unsupported Python version %s.' % args.python_version)
            return SanitySkipped(self.name)

        plugin_dir = os.path.join(INSTALL_ROOT, 'test/sanity/pylint/plugins')
        plugin_names = sorted(p[0] for p in [
            os.path.splitext(p) for p in os.listdir(plugin_dir)] if p[1] == '.py' and p[0] != '__init__')

        skip_paths = read_lines_without_comments(PYLINT_SKIP_PATH, optional=True)

        invalid_ignores = []

        supported_versions = set(SUPPORTED_PYTHON_VERSIONS) - set(UNSUPPORTED_PYTHON_VERSIONS)
        supported_versions = set([v.split('.')[0] for v in supported_versions]) | supported_versions

        ignore_entries = read_lines_without_comments(PYLINT_IGNORE_PATH, optional=True)
        ignore = collections.defaultdict(dict)  # type: t.Dict[str, t.Dict[str, int]]
        line = 0

        for ignore_entry in ignore_entries:
            line += 1

            if not ignore_entry:
                continue

            if ' ' not in ignore_entry:
                invalid_ignores.append((line, 'Invalid syntax'))
                continue

            path, code = ignore_entry.split(' ', 1)

            if not os.path.exists(path):
                invalid_ignores.append((line, 'Remove "%s" since it does not exist' % path))
                continue

            if ' ' in code:
                code, version = code.split(' ', 1)

                if version not in supported_versions:
                    invalid_ignores.append((line, 'Invalid version: %s' % version))
                    continue

                if version not in (args.python_version, args.python_version.split('.')[0]):
                    continue  # ignore version specific entries for other versions

            ignore[path][code] = line

        skip_paths_set = set(skip_paths)

        paths = sorted(i.path for i in targets.include if (os.path.splitext(i.path)[1] == '.py' or is_subdir(i.path, 'bin/')) and i.path not in skip_paths_set)

        module_paths = [os.path.relpath(p, 'lib/ansible/modules/').split(os.path.sep) for p in paths if is_subdir(p, 'lib/ansible/modules/')]
        module_dirs = sorted(set([p[0] for p in module_paths if len(p) > 1]))

        large_module_group_threshold = 500
        large_module_groups = [key for key, value in
                               itertools.groupby(module_paths, lambda p: p[0] if len(p) > 1 else '') if len(list(value)) > large_module_group_threshold]

        large_module_group_paths = [os.path.relpath(p, 'lib/ansible/modules/').split(os.path.sep) for p in paths
                                    if any(is_subdir(p, os.path.join('lib/ansible/modules/', g)) for g in large_module_groups)]
        large_module_group_dirs = sorted(set([os.path.sep.join(p[:2]) for p in large_module_group_paths if len(p) > 2]))

        contexts = []
        remaining_paths = set(paths)

        def add_context(available_paths, context_name, context_filter):
            """
            :type available_paths: set[str]
            :type context_name: str
            :type context_filter: (str) -> bool
            """
            filtered_paths = set(p for p in available_paths if context_filter(p))
            contexts.append((context_name, sorted(filtered_paths)))
            available_paths -= filtered_paths

        def filter_path(path_filter=None):
            """
            :type path_filter: str
            :rtype: (str) -> bool
            """
            def context_filter(path_to_filter):
                """
                :type path_to_filter: str
                :rtype: bool
                """
                return is_subdir(path_to_filter, path_filter)

            return context_filter

        for large_module_group_dir in large_module_group_dirs:
            add_context(remaining_paths, 'modules/%s' % large_module_group_dir, filter_path('lib/ansible/modules/%s/' % large_module_group_dir))

        for module_dir in module_dirs:
            add_context(remaining_paths, 'modules/%s' % module_dir, filter_path('lib/ansible/modules/%s/' % module_dir))

        add_context(remaining_paths, 'modules', filter_path('lib/ansible/modules/'))
        add_context(remaining_paths, 'module_utils', filter_path('lib/ansible/module_utils/'))

        add_context(remaining_paths, 'units', filter_path('test/units/'))

        add_context(remaining_paths, 'validate-modules', filter_path('test/sanity/validate-modules/'))
        add_context(remaining_paths, 'sanity', filter_path('test/sanity/'))
        add_context(remaining_paths, 'ansible-test', filter_path('test/runner/'))
        add_context(remaining_paths, 'test', filter_path('test/'))
        add_context(remaining_paths, 'hacking', filter_path('hacking/'))
        add_context(remaining_paths, 'ansible', lambda p: True)

        messages = []
        context_times = []

        test_start = datetime.datetime.utcnow()

        for context, context_paths in sorted(contexts):
            if not context_paths:
                continue

            context_start = datetime.datetime.utcnow()
            messages += self.pylint(args, context, context_paths, plugin_dir, plugin_names)
            context_end = datetime.datetime.utcnow()

            context_times.append('%s: %d (%s)' % (context, len(context_paths), context_end - context_start))

        test_end = datetime.datetime.utcnow()

        for context_time in context_times:
            display.info(context_time, verbosity=4)

        display.info('total: %d (%s)' % (len(paths), test_end - test_start), verbosity=4)

        errors = [SanityMessage(
            message=m['message'].replace('\n', ' '),
            path=m['path'],
            line=int(m['line']),
            column=int(m['column']),
            level=m['type'],
            code=m['symbol'],
        ) for m in messages]

        if args.explain:
            return SanitySuccess(self.name)

        line = 0

        filtered = []

        for error in errors:
            if error.code in ignore[error.path]:
                ignore[error.path][error.code] = 0  # error ignored, clear line number of ignore entry to track usage
            else:
                filtered.append(error)  # error not ignored

        errors = filtered

        for invalid_ignore in invalid_ignores:
            errors.append(SanityMessage(
                code='A201',
                message=invalid_ignore[1],
                path=PYLINT_IGNORE_PATH,
                line=invalid_ignore[0],
                column=1,
                confidence=calculate_confidence(PYLINT_IGNORE_PATH, line, args.metadata) if args.metadata.changes else None,
            ))

        for path in skip_paths:
            line += 1

            if not path:
                continue

            if not os.path.exists(path):
                # Keep files out of the list which no longer exist in the repo.
                errors.append(SanityMessage(
                    code='A101',
                    message='Remove "%s" since it does not exist' % path,
                    path=PYLINT_SKIP_PATH,
                    line=line,
                    column=1,
                    confidence=calculate_best_confidence(((PYLINT_SKIP_PATH, line), (path, 0)), args.metadata) if args.metadata.changes else None,
                ))

        for path in paths:
            if path not in ignore:
                continue

            for code in ignore[path]:
                line = ignore[path][code]

                if not line:
                    continue

                errors.append(SanityMessage(
                    code='A102',
                    message='Remove since "%s" passes "%s" pylint test' % (path, code),
                    path=PYLINT_IGNORE_PATH,
                    line=line,
                    column=1,
                    confidence=calculate_best_confidence(((PYLINT_IGNORE_PATH, line), (path, 0)), args.metadata) if args.metadata.changes else None,
                ))

        if errors:
            return SanityFailure(self.name, messages=errors)

        return SanitySuccess(self.name)
Beispiel #13
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 def context_filter(path_to_filter):
     """
     :type path_to_filter: str
     :rtype: bool
     """
     return is_subdir(path_to_filter, path_filter)
Beispiel #14
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    def test(self, args, targets):
        """
        :type args: SanityConfig
        :type targets: SanityTargets
        :rtype: TestResult
        """
        if args.python_version in UNSUPPORTED_PYTHON_VERSIONS:
            display.warning('Skipping pylint on unsupported Python version %s.' % args.python_version)
            return SanitySkipped(self.name)

        plugin_dir = os.path.join(ANSIBLE_ROOT, 'test/sanity/pylint/plugins')
        plugin_names = sorted(p[0] for p in [
            os.path.splitext(p) for p in os.listdir(plugin_dir)] if p[1] == '.py' and p[0] != '__init__')

        settings = self.load_settings(args, 'ansible-test')

        paths = sorted(i.path for i in targets.include if os.path.splitext(i.path)[1] == '.py' or is_subdir(i.path, 'bin/'))
        paths = settings.filter_skipped_paths(paths)

        module_paths = [os.path.relpath(p, data_context().content.module_path).split(os.path.sep) for p in
                        paths if is_subdir(p, data_context().content.module_path)]
        module_dirs = sorted(set([p[0] for p in module_paths if len(p) > 1]))

        large_module_group_threshold = 500
        large_module_groups = [key for key, value in
                               itertools.groupby(module_paths, lambda p: p[0] if len(p) > 1 else '') if len(list(value)) > large_module_group_threshold]

        large_module_group_paths = [os.path.relpath(p, data_context().content.module_path).split(os.path.sep) for p in paths
                                    if any(is_subdir(p, os.path.join(data_context().content.module_path, g)) for g in large_module_groups)]
        large_module_group_dirs = sorted(set([os.path.sep.join(p[:2]) for p in large_module_group_paths if len(p) > 2]))

        contexts = []
        remaining_paths = set(paths)

        def add_context(available_paths, context_name, context_filter):
            """
            :type available_paths: set[str]
            :type context_name: str
            :type context_filter: (str) -> bool
            """
            filtered_paths = set(p for p in available_paths if context_filter(p))
            contexts.append((context_name, sorted(filtered_paths)))
            available_paths -= filtered_paths

        def filter_path(path_filter=None):
            """
            :type path_filter: str
            :rtype: (str) -> bool
            """
            def context_filter(path_to_filter):
                """
                :type path_to_filter: str
                :rtype: bool
                """
                return is_subdir(path_to_filter, path_filter)

            return context_filter

        for large_module_dir in large_module_group_dirs:
            add_context(remaining_paths, 'modules/%s' % large_module_dir, filter_path(os.path.join(data_context().content.module_path, large_module_dir)))

        for module_dir in module_dirs:
            add_context(remaining_paths, 'modules/%s' % module_dir, filter_path(os.path.join(data_context().content.module_path, module_dir)))

        add_context(remaining_paths, 'modules', filter_path(data_context().content.module_path))
        add_context(remaining_paths, 'module_utils', filter_path(data_context().content.module_utils_path))

        add_context(remaining_paths, 'units', filter_path(data_context().content.unit_path))

        if data_context().content.collection:
            add_context(remaining_paths, 'collection', lambda p: True)
        else:
            add_context(remaining_paths, 'validate-modules', filter_path('test/sanity/validate-modules/'))
            add_context(remaining_paths, 'sanity', filter_path('test/sanity/'))
            add_context(remaining_paths, 'ansible-test', filter_path('test/runner/'))
            add_context(remaining_paths, 'test', filter_path('test/'))
            add_context(remaining_paths, 'hacking', filter_path('hacking/'))
            add_context(remaining_paths, 'ansible', lambda p: True)

        messages = []
        context_times = []

        test_start = datetime.datetime.utcnow()

        for context, context_paths in sorted(contexts):
            if not context_paths:
                continue

            context_start = datetime.datetime.utcnow()
            messages += self.pylint(args, context, context_paths, plugin_dir, plugin_names)
            context_end = datetime.datetime.utcnow()

            context_times.append('%s: %d (%s)' % (context, len(context_paths), context_end - context_start))

        test_end = datetime.datetime.utcnow()

        for context_time in context_times:
            display.info(context_time, verbosity=4)

        display.info('total: %d (%s)' % (len(paths), test_end - test_start), verbosity=4)

        errors = [SanityMessage(
            message=m['message'].replace('\n', ' '),
            path=m['path'],
            line=int(m['line']),
            column=int(m['column']),
            level=m['type'],
            code=m['symbol'],
        ) for m in messages]

        if args.explain:
            return SanitySuccess(self.name)

        errors = settings.process_errors(errors, paths)

        if errors:
            return SanityFailure(self.name, messages=errors)

        return SanitySuccess(self.name)
Beispiel #15
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    def test(self, args, targets, python_version):
        """
        :type args: SanityConfig
        :type targets: SanityTargets
        :type python_version: str
        :rtype: TestResult
        """
        settings = self.load_processor(args)

        paths = [target.path for target in targets.include]

        doc_targets = collections.defaultdict(list)
        target_paths = collections.defaultdict(dict)

        remap_types = dict(
            modules='module',
        )

        for plugin_type, plugin_path in data_context().content.plugin_paths.items():
            plugin_type = remap_types.get(plugin_type, plugin_type)

            for plugin_file_path in [target.name for target in targets.include if is_subdir(target.path, plugin_path)]:
                plugin_name = os.path.splitext(os.path.basename(plugin_file_path))[0]

                if plugin_name.startswith('_'):
                    plugin_name = plugin_name[1:]

                doc_targets[plugin_type].append(data_context().content.prefix + plugin_name)
                target_paths[plugin_type][data_context().content.prefix + plugin_name] = plugin_file_path

        env = ansible_environment(args, color=False)
        error_messages = []

        for doc_type in sorted(doc_targets):
            cmd = ['ansible-doc', '-t', doc_type] + sorted(doc_targets[doc_type])

            try:
                with coverage_context(args):
                    stdout, stderr = intercept_command(args, cmd, target_name='ansible-doc', env=env, capture=True, python_version=python_version)

                status = 0
            except SubprocessError as ex:
                stdout = ex.stdout
                stderr = ex.stderr
                status = ex.status

            if stderr:
                errors = stderr.strip().splitlines()
                messages = [self.parse_error(e, target_paths) for e in errors]

                if messages and all(messages):
                    error_messages += messages
                    continue

            if status:
                summary = u'%s' % SubprocessError(cmd=cmd, status=status, stderr=stderr)
                return SanityFailure(self.name, summary=summary)

            if stdout:
                display.info(stdout.strip(), verbosity=3)

            if stderr:
                summary = u'Output on stderr from ansible-doc is considered an error.\n\n%s' % SubprocessError(cmd, stderr=stderr)
                return SanityFailure(self.name, summary=summary)

        error_messages = settings.process_errors(error_messages, paths)

        if error_messages:
            return SanityFailure(self.name, messages=error_messages)

        return SanitySuccess(self.name)
Beispiel #16
0
    def test(self, args, targets, python_version):
        """
        :type args: SanityConfig
        :type targets: SanityTargets
        :type python_version: str
        :rtype: TestResult
        """
        settings = self.load_settings(args, None, python_version)

        paths = sorted(
            i.path
            for i in targets.include
            if os.path.splitext(i.path)[1] == '.py' and
            (is_subdir(i.path, data_context().content.module_path) or is_subdir(i.path, data_context().content.module_utils_path))
        )

        paths = settings.filter_skipped_paths(paths)

        if not paths:
            return SanitySkipped(self.name, python_version=python_version)

        env = ansible_environment(args, color=False)

        # create a clean virtual environment to minimize the available imports beyond the python standard library
        virtual_environment_path = os.path.abspath('test/runner/.tox/minimal-py%s' % python_version.replace('.', ''))
        virtual_environment_bin = os.path.join(virtual_environment_path, 'bin')

        remove_tree(virtual_environment_path)

        python = find_python(python_version)

        cmd = [python, '-m', 'virtualenv', virtual_environment_path, '--python', python, '--no-setuptools', '--no-wheel']

        if not args.coverage:
            cmd.append('--no-pip')

        run_command(args, cmd, capture=True)

        # add the importer to our virtual environment so it can be accessed through the coverage injector
        importer_path = os.path.join(virtual_environment_bin, 'importer.py')
        if not args.explain:
            os.symlink(os.path.abspath(os.path.join(ANSIBLE_ROOT, 'test/sanity/import/importer.py')), importer_path)

        # create a minimal python library
        python_path = os.path.abspath('test/runner/.tox/import/lib')
        ansible_path = os.path.join(python_path, 'ansible')
        ansible_init = os.path.join(ansible_path, '__init__.py')
        ansible_link = os.path.join(ansible_path, 'module_utils')

        if not args.explain:
            remove_tree(ansible_path)

            make_dirs(ansible_path)

            with open(ansible_init, 'w'):
                pass

            os.symlink(os.path.join(ANSIBLE_ROOT, 'lib/ansible/module_utils'), ansible_link)

        # activate the virtual environment
        env['PATH'] = '%s:%s' % (virtual_environment_bin, env['PATH'])
        env['PYTHONPATH'] = python_path

        # make sure coverage is available in the virtual environment if needed
        if args.coverage:
            run_command(args, generate_pip_install(['pip'], 'sanity.import', packages=['setuptools']), env=env)
            run_command(args, generate_pip_install(['pip'], 'sanity.import', packages=['coverage']), env=env)
            run_command(args, ['pip', 'uninstall', '--disable-pip-version-check', '-y', 'setuptools'], env=env)
            run_command(args, ['pip', 'uninstall', '--disable-pip-version-check', '-y', 'pip'], env=env)

        cmd = ['importer.py']

        data = '\n'.join(paths)

        display.info(data, verbosity=4)

        results = []

        virtualenv_python = os.path.join(virtual_environment_bin, 'python')

        try:
            with coverage_context(args):
                stdout, stderr = intercept_command(args, cmd, self.name, env, capture=True, data=data, python_version=python_version,
                                                   virtualenv=virtualenv_python)

            if stdout or stderr:
                raise SubprocessError(cmd, stdout=stdout, stderr=stderr)
        except SubprocessError as ex:
            if ex.status != 10 or ex.stderr or not ex.stdout:
                raise

            pattern = r'^(?P<path>[^:]*):(?P<line>[0-9]+):(?P<column>[0-9]+): (?P<message>.*)$'

            results = parse_to_list_of_dict(pattern, ex.stdout)

            results = [SanityMessage(
                message=r['message'],
                path=r['path'],
                line=int(r['line']),
                column=int(r['column']),
            ) for r in results]

        results = settings.process_errors(results, paths)

        if results:
            return SanityFailure(self.name, messages=results, python_version=python_version)

        return SanitySuccess(self.name, python_version=python_version)