Log declutter (#5)

Reviewed-on: #5
Co-authored-by: Mathias Scheider <mathias2784@web.de>

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "utils"
-version = "0.1.2"
+version = "0.1.3"
 description = "Some hopefully useful utilities to use in everyday coding"
 readme = "README.md"
 authors = [

src/utils/logging_config.py

@@ -72,6 +72,10 @@ class LoggingSettings(BaseSettingsConfig):
         root_logger = logging.getLogger()
         root_logger.setLevel(level)
 
+        # Keep Uvicorn's own debug output from following the application's level.
+        for logger_name in ("uvicorn", "uvicorn.error", "uvicorn.access"):
+            logging.getLogger(logger_name).setLevel(logging.INFO)
+
         # Replace and close existing handlers to avoid duplicate output and resource leaks.
         for handler in root_logger.handlers[:]:
             root_logger.removeHandler(handler)

test/test_logging_config.py

@@ -13,6 +13,7 @@ from uvicorn.logging import DefaultFormatter
 from utils.logging_config import LoggingSettings
 
 SECONDS_PER_DAY = 24 * 60 * 60
+UVICORN_LOGGER_NAMES = ("uvicorn", "uvicorn.error", "uvicorn.access")
 
 
 @pytest.fixture
@@ -20,6 +21,8 @@ def restore_root_logger() -> Generator[None]:
     root = logging.getLogger()
     old_handlers = root.handlers[:]
     old_level = root.level
+    uvicorn_loggers = [logging.getLogger(name) for name in UVICORN_LOGGER_NAMES]
+    old_uvicorn_levels = [logger.level for logger in uvicorn_loggers]
     for handler in old_handlers:
         root.removeHandler(handler)
 
@@ -32,6 +35,8 @@ def restore_root_logger() -> Generator[None]:
         for handler in old_handlers:
             root.addHandler(handler)
         root.setLevel(old_level)
+        for logger, level in zip(uvicorn_loggers, old_uvicorn_levels):
+            logger.setLevel(level)
 
 
 def test_sets_valid_log_level(restore_root_logger: None) -> None:
@@ -40,6 +45,16 @@ def test_sets_valid_log_level(restore_root_logger: None) -> None:
     assert logging.getLogger().level == logging.DEBUG
 
 
+def test_keeps_uvicorn_loggers_at_info_with_debug_root(
+    restore_root_logger: None,
+) -> None:
+    LoggingSettings(LOG_LEVEL="DEBUG", LOG_TO_FILE=False)
+
+    assert all(
+        logging.getLogger(name).level == logging.INFO for name in UVICORN_LOGGER_NAMES
+    )
+
+
 def test_invalid_log_level_falls_back_to_info(restore_root_logger: None) -> None:
     with patch("utils.logging_config.logger.error") as log_error:
         LoggingSettings(LOG_LEVEL="NOT_A_LEVEL", LOG_TO_FILE=False)

uv.lock

@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 5
 requires-python = ">=3.14"
 
 [[package]]
@@ -751,7 +751,7 @@ wheels = [
 
 [[package]]
 name = "utils"
-version = "0.1.1"
+version = "0.1.3"
 source = { editable = "." }
 dependencies = [
     { name = "black" },