Change logging to debug level

generic/multidispatch.py

@@ -23,6 +23,8 @@ __all__ = "multidispatch"
 T = TypeVar("T", bound=Union[Callable[..., Any], type])
 KeyType = Union[type, None]
 
+logger = logging.getLogger(__name__)
+
 
 def multidispatch(*argtypes: KeyType) -> Callable[[T], FunctionDispatcher[T]]:
     """Declare function as multidispatch.
@@ -127,7 +129,7 @@ class FunctionDispatcher(Generic[T]):
         trimmed_args = args[: self.params_arity]
         rule = self.registry.lookup(*trimmed_args)
         if not rule:
-            logging.error(self.registry._tree)
+            logger.debug(self.registry._tree)
             raise TypeError(f"No available rule found for {trimmed_args!r}")
         return rule(*args, **kwargs)
 

generic/multimethod.py

@@ -17,6 +17,8 @@ __all__ = ("multimethod", "has_multimethods")
 C = TypeVar("C")
 T = TypeVar("T", bound=Union[Callable[..., Any], type])
 
+logger = logging.getLogger(__name__)
+
 
 def multimethod(*argtypes: KeyType) -> Callable[[T], MethodDispatcher[T]]:
     """Declare method as multimethod.
@@ -82,7 +84,7 @@ class MethodDispatcher(FunctionDispatcher[T]):
         """Process all unbound rule by binding them to ``cls`` type."""
         for argtypes, func in self.local.unbound_rules:
             argtypes = (cls,) + argtypes
-            logging.info("register rule", argtypes)
+            logger.debug("register rule", argtypes)
             self.register_rule(func, *argtypes)
         self.local.unbound_rules = []