[dev] basic project structure

src/utils/__init__.py

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+from .env import env
+from .logging import logger

src/utils/db/migrate.py

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+import asyncio
+from utils import env
+
+
+async def main():
+    print(env.db.host)
+
+
+asyncio.run(main())

src/utils/env.py

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+from pydantic_settings import BaseSettings, SettingsConfigDict
+from pydantic import SecretStr
+
+
+class BotSettings(BaseSettings):
+    token: SecretStr
+
+
+class DatabaseSettings(BaseSettings):
+    host: str = "mongodb"
+    port: int = 27017
+    user: SecretStr = "user"
+    password: SecretStr = "password"
+    db_name: str = "prod"
+    connection_params: str = ""
+
+    @property
+    def connection_url(self) -> str:
+        return f"mongodb://{self.user.get_secret_value()}:{self.password.get_secret_value()}@{self.host}:{self.port}/{self.db_name}{self.connection_params}"
+
+
+class LogSettings(BaseSettings):
+    level: str = "INFO"
+    show_time: bool = False
+    console_width: int = 150
+
+
+class Settings(BaseSettings):
+    bot: BotSettings
+    db: DatabaseSettings
+    log: LogSettings
+
+    model_config = SettingsConfigDict(
+        case_sensitive=False,
+        env_file=".env",
+        env_nested_delimiter="__",
+        extra="ignore",
+    )
+
+
+env = Settings()  # noqa

src/utils/logging.py

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+import logging
+
+from rich.console import Console
+from rich.logging import RichHandler
+
+from . import env
+
+
+console = Console(
+    width=env.log.console_width,
+    color_system="auto",
+    force_terminal=True,
+)
+
+
+def setup_logging():
+    from aiogram.dispatcher import router
+    from dishka.integrations import aiogram
+
+    logging.basicConfig(
+        level=env.log.level,
+        format=None,  # noqa
+        datefmt=None,
+        handlers=[
+            RichHandler(
+                console=console,
+                markup=True,
+                rich_tracebacks=True,
+                tracebacks_show_locals=True,
+                omit_repeated_times=False,
+                show_time=env.log.show_time,
+                tracebacks_suppress=[router, aiogram],
+            )
+        ],
+    )
+
+
+logger = logging.getLogger(__name__)