import json import os import sys from collections.abc import Callable from typing import Union, Type, Optional from cpl_core.configuration.argument_abc import ArgumentABC from cpl_core.configuration.argument_builder import ArgumentBuilder from cpl_core.configuration.argument_type_enum import ArgumentTypeEnum from cpl_core.configuration.configuration_abc import ConfigurationABC from cpl_core.configuration.configuration_model_abc import ConfigurationModelABC from cpl_core.configuration.configuration_variable_name_enum import ConfigurationVariableNameEnum from cpl_core.configuration.executable_argument import ExecutableArgument from cpl_core.configuration.flag_argument import FlagArgument from cpl_core.configuration.variable_argument import VariableArgument from cpl_core.console.console import Console from cpl_core.console.foreground_color_enum import ForegroundColorEnum from cpl_core.dependency_injection import ServiceProviderABC from cpl_core.environment.application_environment import ApplicationEnvironment from cpl_core.environment.application_environment_abc import ApplicationEnvironmentABC from cpl_core.environment.environment_name_enum import EnvironmentNameEnum class Configuration(ConfigurationABC): def __init__(self): r"""Representation of configuration""" ConfigurationABC.__init__(self) self._application_environment = ApplicationEnvironment() self._config: dict[Union[type, str], Union[ConfigurationModelABC, str]] = {} self._argument_types: list[ArgumentABC] = [] self._additional_arguments: list[str] = [] self._argument_error_function: Optional[Callable] = None self._handled_args = [] @property def environment(self) -> ApplicationEnvironmentABC: return self._application_environment @property def additional_arguments(self) -> list[str]: return self._additional_arguments @property def argument_error_function(self) -> Optional[Callable]: return self._argument_error_function @argument_error_function.setter def argument_error_function(self, argument_error_function: Callable): self._argument_error_function = argument_error_function @staticmethod def _print_info(name: str, message: str): r"""Prints an info message Parameter --------- name: :class:`str` Info name message: :class:`str` Info message """ Console.set_foreground_color(ForegroundColorEnum.green) Console.write_line(f'[{name}] {message}') Console.set_foreground_color(ForegroundColorEnum.default) @staticmethod def _print_warn(name: str, message: str): r"""Prints a warning Parameter --------- name: :class:`str` Warning name message: :class:`str` Warning message """ Console.set_foreground_color(ForegroundColorEnum.yellow) Console.write_line(f'[{name}] {message}') Console.set_foreground_color(ForegroundColorEnum.default) @staticmethod def _print_error(name: str, message: str): r"""Prints an error Parameter --------- name: :class:`str` Error name message: :class:`str` Error message """ Console.set_foreground_color(ForegroundColorEnum.red) Console.write_line(f'[{name}] {message}') Console.set_foreground_color(ForegroundColorEnum.default) def _set_variable(self, name: str, value: any): r"""Sets variable to given value Parameter --------- name: :class:`str` Name of the variable value: :class:`any` Value of the variable """ if name == ConfigurationVariableNameEnum.environment.value: self._application_environment.environment_name = EnvironmentNameEnum(value) elif name == ConfigurationVariableNameEnum.name.value: self._application_environment.application_name = value elif name == ConfigurationVariableNameEnum.customer.value: self._application_environment.customer = value else: self._config[name] = value def _load_json_file(self, file: str, output: bool) -> dict: r"""Reads the json file Parameter --------- file: :class:`str` Name of the file output: :class:`bool` Specifies whether an output should take place Returns ------- Object of :class:`dict` """ try: # open config file, create if not exists with open(file, encoding='utf-8') as cfg: # load json json_cfg = json.load(cfg) if output: self._print_info(__name__, f'Loaded config file: {file}') return json_cfg except Exception as e: self._print_error(__name__, f'Cannot load config file: {file}! -> {e}') return {} def add_environment_variables(self, prefix: str): for variable in ConfigurationVariableNameEnum.to_list(): var_name = f'{prefix}{variable}' if var_name in [key.upper() for key in os.environ.keys()]: self._set_variable(variable, os.environ[var_name]) def add_console_argument(self, argument: ArgumentABC): self._argument_types.append(argument) def _parse_arguments(self, call_stack: list[Callable], arg_list: list[str], args_types: list[ArgumentABC]): for i in range(0, len(arg_list)): arg_str = arg_list[i] Console.write_line('ARG_STR', arg_str) for arg in args_types: Console.write_line('ARG', arg.name, type(arg), len(arg.console_arguments)) arg_str_without_token = arg_str if arg.token != "" and arg.token in arg_str: arg_str_without_token = arg_str.split(arg.token)[1] # executable if isinstance(arg, ExecutableArgument): if arg_str.startswith(arg.token) \ and arg_str_without_token == arg.name or arg_str_without_token in arg.aliases: Console.write_line('EXEC', arg.name) call_stack.append(arg.run) self._parse_arguments(call_stack, arg_list[i:], arg.console_arguments) # variables elif isinstance(arg, VariableArgument): arg_str_without_value = arg_str_without_token if arg.value_token in arg_str_without_value: arg_str_without_value = arg_str_without_token.split(arg.value_token)[0] if arg_str.startswith(arg.token) \ and arg_str_without_value == arg.name or arg_str_without_value in arg.aliases: if arg.value_token != ' ': value = arg_str_without_token.split(arg.value_token)[1] else: value = arg_list[i + 1] self._set_variable(arg.name, value) self._parse_arguments(call_stack, arg_list[i + 1:], arg.console_arguments) # flags elif isinstance(arg, FlagArgument): if arg_str.startswith(arg.token) \ and arg_str_without_token == arg.name or arg_str_without_token in arg.aliases: self._additional_arguments.append(arg.name) self._parse_arguments(call_stack, arg_list[i + 1:], arg.console_arguments) Console.write_line() def parse_console_arguments(self, error: bool = None): # sets environment variables as possible arguments as: --VAR=VALUE for arg_name in ConfigurationVariableNameEnum.to_list(): self.add_console_argument(VariableArgument('--', str(arg_name).upper(), [str(arg_name).lower()], '=')) Console.error('Parsing arguments:') arg_list = sys.argv[1:] call_stack = [] self._parse_arguments(call_stack, arg_list, self._argument_types) Console.error('Parsing finished') for call in call_stack: Console.write_line(call) call(self._additional_arguments) def add_json_file(self, name: str, optional: bool = None, output: bool = True, path: str = None): if os.path.isabs(name): file_path = name else: path_root = self._application_environment.working_directory if path is not None: path_root = path if str(path_root).endswith('/') and not name.startswith('/'): file_path = f'{path_root}{name}' else: file_path = f'{path_root}/{name}' if not os.path.isfile(file_path): if optional is not True: if output: self._print_error(__name__, f'File not found: {file_path}') sys.exit() if output: self._print_warn(__name__, f'Not Loaded config file: {file_path}') return None config_from_file = self._load_json_file(file_path, output) for sub in ConfigurationModelABC.__subclasses__(): for key, value in config_from_file.items(): if sub.__name__ == key or sub.__name__.replace('Settings', '') == key: configuration = sub() configuration.from_dict(value) self.add_configuration(sub, configuration) def add_configuration(self, key_type: Union[str, type], value: ConfigurationModelABC): self._config[key_type] = value def create_console_argument(self, arg_type: ArgumentTypeEnum, token: str, name: str, aliases: list[str], *args, **kwargs) -> ArgumentABC: argument = ArgumentBuilder.build_argument(arg_type, token, name, aliases, *args, *kwargs) self._argument_types.append(argument) return argument def get_configuration(self, search_type: Union[str, Type[ConfigurationModelABC]]) -> \ Optional[Union[str, ConfigurationModelABC]]: if type(search_type) is str: if search_type == ConfigurationVariableNameEnum.environment.value: return self._application_environment.environment_name elif search_type == ConfigurationVariableNameEnum.name.value: return self._application_environment.application_name elif search_type == ConfigurationVariableNameEnum.customer.value: return self._application_environment.customer if search_type not in self._config: return None for config_model in self._config: if config_model == search_type: return self._config[config_model] def resolve_runnable_argument_types(self, services: ServiceProviderABC): for arg in self._argument_types: if isinstance(arg, ExecutableArgument): arg.set_executable(services.get_service(arg.executable_type))