fixed a small database issue with price drop tracking and added doc strings

src/monitor_utils/config.py

@@ -1,3 +1,5 @@
+"""Config loading and mode helpers shared across monitors and the bot."""
+
 import json
 import logging
 import pathlib
@@ -7,15 +9,19 @@ from monitor_utils.constants import DEVELOPMENT_BOT_TOKEN, LOGGERS, PRODUCTION_B
 
 
 class DevelopmentMode(str, Enum):
+    """Runtime mode selecting production or development behavior."""
+
     PRODUCTION = "PRODUCTION"
     DEVELOPMENT = "DEVELOPMENT"
 
 
 def is_production(development_mode: DevelopmentMode) -> bool:
+    """Return True when the mode is PRODUCTION."""
     return development_mode == DevelopmentMode.PRODUCTION
 
 
 def get_bot_token(is_production: bool) -> str:
+    """Return the production or development bot token for the mode."""
     if is_production:
         return PRODUCTION_BOT_TOKEN
 
@@ -28,6 +34,17 @@ def get_config(
     test_config_dir: str | pathlib.Path = "tests/configs",
     use_production_path: bool = False,
 ) -> tuple[dict, pathlib.Path]:
+    """Load a monitor's JSON config from the production or test directory.
+
+    Args:
+        monitor_name: Monitor name with or without a .json suffix.
+        config_dir: Directory holding production configs.
+        test_config_dir: Directory holding test configs.
+        use_production_path: Load from config_dir instead of test_config_dir.
+
+    Returns:
+        Tuple of the parsed config dict and the resolved config path.
+    """
     monitor_name = monitor_name.replace(".json", "")
     base = config_dir if use_production_path else test_config_dir
     config_path = pathlib.Path(base) / f"{monitor_name}.json"
@@ -36,5 +53,6 @@ def get_config(
 
 
 def set_logger_levels(loggers: list[str] = LOGGERS, level: int = logging.WARNING):
+    """Set the given loggers to the given level to quiet noisy libraries."""
     for name in loggers:
         logging.getLogger(name).setLevel(level)