feat: automatically looking for "database_config" dir

icon_service_base/database/config.py

@@ -1,9 +1,31 @@
-from typing import Literal
+from pathlib import Path
+from typing import Literal, Optional
 
-from confz import BaseConfig, EnvSource
+from confz import BaseConfig, EnvSource, FileSource
+from loguru import logger
 from pydantic import AnyUrl, SecretStr
 
 
+def find_dir_upwards(start_dir: Path, targets: list[str]) -> Path | None:
+    for parent in start_dir.parents:
+        for target in targets:
+            if (parent / target).is_dir():
+                return parent / target
+    return None
+
+
+# we expect the database_config directory in the root directory of any module installing
+# this package.
+VENV_DIR = find_dir_upwards(Path(__file__).resolve(), [".venv", "venv"])
+CONFIG_DIR: Optional[Path] = None
+if VENV_DIR is not None:
+    CONFIG_DIR = VENV_DIR.parent / "database_config"
+    if not VENV_DIR.exists():
+        CONFIG_DIR = None
+    else:
+        logger.debug(CONFIG_DIR)
+
+
 class OperationMode(BaseConfig):  # type: ignore
     environment: Literal["development"] | Literal["production"] = "development"
 
@@ -17,8 +39,16 @@ class PostgreSQLConfig(BaseConfig):  # type: ignore
     user: str
     password: SecretStr
 
+    if CONFIG_DIR:
+        CONFIG_SOURCES = FileSource(
+            CONFIG_DIR / f"postgres_{OperationMode().environment}.yaml"
+        )
+
 
 class InfluxDBConfig(BaseConfig):  # type: ignore
     url: AnyUrl
     org: str
     token: SecretStr
+
+    if CONFIG_DIR:
+        CONFIG_SOURCES = FileSource(CONFIG_DIR / "influxdb_config.yaml")