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How to use _get_detect_string method in lisa

Best Python code snippet using lisa_python

operating_system.py

Source:operating_system.py

...116            # cast type for easy to use117            posix_factory: Factory[Posix] = cls.__posix_factory118            matched = False119            os_infos: List[str] = []120            for os_info_item in cls._get_detect_string(node):121                if os_info_item:122                    os_infos.append(os_info_item)123                    for sub_type in posix_factory.values():124                        posix_type: Type[Posix] = sub_type125                        pattern = posix_type.name_pattern()126                        if pattern.findall(os_info_item):127                            detected_info = os_info_item128                            result = posix_type(node)129                            matched = True130                            break131                    if matched:132                        break133            if not os_infos:134                raise LisaException(135                    "unknown posix distro, no os info found. "136                    "it may cause by not support basic commands like `cat`"137                )138            elif not result:139                raise LisaException(140                    f"unknown posix distro names '{os_infos}', "141                    f"support it in operating_system."142                )143        else:144            result = Windows(node)145        log.debug(f"detected OS: '{result.name}' by pattern '{detected_info}'")146        return result147    @property148    def is_windows(self) -> bool:149        return not self._is_posix150    @property151    def is_posix(self) -> bool:152        return self._is_posix153    @property154    def information(self) -> OsInformation:155        if not self._information:156            self._information = self._get_information()157            self._log.debug(f"parsed os information: {self._information}")158        return self._information159    @property160    def name(self) -> str:161        return self.__class__.__name__162    def capture_system_information(self, saved_path: Path) -> None:163        ...164    @classmethod165    def _get_detect_string(cls, node: Any) -> Iterable[str]:166        typed_node: Node = node167        cmd_result = typed_node.execute(cmd="lsb_release -d", no_error_log=True)168        yield get_matched_str(cmd_result.stdout, cls.__lsb_release_pattern)169        cmd_result = typed_node.execute(cmd="cat /etc/os-release", no_error_log=True)170        yield get_matched_str(cmd_result.stdout, cls.__os_release_pattern_name)171        yield get_matched_str(cmd_result.stdout, cls.__os_release_pattern_id)172        cmd_result_os_release = cmd_result173        # for RedHat, CentOS 6.x174        cmd_result = typed_node.execute(175            cmd="cat /etc/redhat-release", no_error_log=True176        )177        yield get_matched_str(cmd_result.stdout, cls.__redhat_release_pattern_header)178        yield get_matched_str(cmd_result.stdout, cls.__redhat_release_pattern_bracket)179        # for FreeBSD...

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