sh_cpl/src/cpl/configuration/configuration.py

188 lines
7.5 KiB
Python

import json
import os
import sys
from collections import Callable
from typing import Union, Type, Optional
from cpl.configuration.configuration_abc import ConfigurationABC
from cpl.configuration.configuration_model_abc import ConfigurationModelABC
from cpl.configuration.configuration_variable_name import ConfigurationVariableName
from cpl.configuration.console_argument import ConsoleArgument
from cpl.console.console import Console
from cpl.console.foreground_color import ForegroundColor
from cpl.environment.hosting_environment import HostingEnvironment
from cpl.environment.environment_abc import EnvironmentABC
from cpl.environment.environment_name import EnvironmentName
class Configuration(ConfigurationABC):
def __init__(self):
ConfigurationABC.__init__(self)
self._hosting_environment = HostingEnvironment()
self._config: dict[Union[type, str], Union[ConfigurationModelABC, str]] = {}
self._argument_types: list[ConsoleArgument] = []
self._additional_arguments: list[str] = []
self._argument_error_function: Optional[Callable] = None
@property
def environment(self) -> EnvironmentABC:
return self._hosting_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):
Console.set_foreground_color(ForegroundColor.green)
Console.write_line(f'[{name}] {message}')
Console.set_foreground_color(ForegroundColor.default)
@staticmethod
def _print_warn(name: str, message: str):
Console.set_foreground_color(ForegroundColor.yellow)
Console.write_line(f'[{name}] {message}')
Console.set_foreground_color(ForegroundColor.default)
@staticmethod
def _print_error(name: str, message: str):
Console.set_foreground_color(ForegroundColor.red)
Console.write_line(f'[{name}] {message}')
Console.set_foreground_color(ForegroundColor.default)
def _set_variable(self, name: str, value: str):
if name == ConfigurationVariableName.environment.value:
self._hosting_environment.environment_name = EnvironmentName(value)
elif name == ConfigurationVariableName.name.value:
self._hosting_environment.application_name = value
elif name == ConfigurationVariableName.customer.value:
self._hosting_environment.customer = value
else:
self._config[name] = value
def add_environment_variables(self, prefix: str):
for variable in ConfigurationVariableName.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, token: str, name: str, aliases: list[str], value_token: str):
self._argument_types.append(ConsoleArgument(token, name, aliases, value_token))
def add_console_arguments(self):
for arg_name in ConfigurationVariableName.to_list():
self.add_console_argument('--', arg_name, [], '')
for arg in sys.argv[1:]:
try:
is_done = False
for argument_type in self._argument_types:
# check prefix
if argument_type.token != '' and arg.startswith(argument_type.token):
name = arg.split(argument_type.token)[1]
if argument_type.value_token == '':
if name == argument_type.name or name in argument_type.aliases:
self._additional_arguments.append(argument_type.name)
is_done = True
break
if argument_type.value_token != '' and arg.__contains__(argument_type.value_token):
name = name.split(argument_type.value_token)[0]
if name == argument_type.name or name in argument_type.aliases:
value = arg.split(argument_type.value_token)[1]
self._set_variable(argument_type.name, value)
is_done = True
break
elif argument_type.value_token == '' and arg == argument_type.name or arg in argument_type.aliases:
is_done = True
self._additional_arguments.append(argument_type.name)
break
if not is_done:
message = f'Invalid argument: {arg}'
if self._argument_error_function is not None:
self._argument_error_function(message)
else:
self._print_error(__name__, message)
exit()
except Exception as e:
message = f'Invalid argument: {arg} -> {e}'
if self._argument_error_function is not None:
self._argument_error_function(message)
else:
self._print_error(__name__, message)
exit()
def add_json_file(self, name: str, optional: bool = None, output: bool = False):
if self._hosting_environment.content_root_path.endswith('/') and not name.startswith('/'):
file_path = f'{self._hosting_environment.content_root_path}{name}'
else:
file_path = f'{self._hosting_environment.content_root_path}/{name}'
if not os.path.isfile(file_path):
if not optional:
if output:
self._print_error(__name__, f'File not found: {file_path}')
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:
configuration = sub()
configuration.from_dict(value)
self.add_configuration(sub, configuration)
def _load_json_file(self, file: str, output: bool) -> 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_configuration(self, key_type: type, value: ConfigurationModelABC):
self._config[key_type] = value
def get_configuration(self, search_type: Union[str, Type[ConfigurationModelABC]]) -> Union[
str, Callable[ConfigurationModelABC]]:
if search_type not in self._config:
raise Exception(f'Config model by type {search_type} not found')
for config_model in self._config:
if config_model == search_type:
return self._config[config_model]