Source code for filip.config

"""
Settings module to set url from .env.filip file. This can also seen as an
example for other applications such as webapp that use the library. Using
`*.env` belongs to best practices in containerized applications. Pydantic
provides a convenient and clean way to manage environments.
"""
from pydantic import Field, AnyHttpUrl, AliasChoices, AnyUrl
from pydantic_settings import BaseSettings, SettingsConfigDict
from pathlib import Path
import os
from dotenv import find_dotenv
ROOT_DIR = os.path.realpath(os.path.join(os.path.dirname(__file__), '..'))


class Settings(BaseSettings):
    """
    Settings class that reads environment variables from a local `.env.filip`
    file or environment variables. The `.env.filip` can be located anywhere
    in the FiLiP repository.
    """
    model_config = SettingsConfigDict(env_file=find_dotenv(Path(ROOT_DIR) / '.env.filip'),
                                      env_file_encoding='utf-8',
                                      case_sensitive=False, extra="ignore")

    CB_URL: AnyHttpUrl = Field(default="http://127.0.0.1:1026",
                               validation_alias=AliasChoices(
                                   'ORION_URL', 'CB_URL', 'CB_HOST',
                                   'CONTEXTBROKER_URL', 'OCB_URL'))

    IOTA_URL: AnyHttpUrl = Field(default="http://127.0.0.1:4041",
                                 validation_alias='IOTA_URL')

    QL_URL: AnyHttpUrl = Field(default="http://127.0.0.1:8668",
                               validation_alias=AliasChoices('QUANTUMLEAP_URL', 'QL_URL'))

    MQTT_BROKER_URL: AnyUrl = Field(default="mqtt://127.0.0.1:1883",
                                    validation_alias=AliasChoices(
                                        'MQTT_BROKER_URL',
                                        'MQTT_URL',
                                        'MQTT_BROKER'))

# create settings object
settings = Settings()