log compatibility

Signed-off-by: Jan Kowalleck <jan.kowalleck@gmail.com>

serializable/__init__.py

@@ -41,7 +41,7 @@
 
 from .formatters import BaseNameFormatter, CurrentFormatter
 from .helpers import BaseHelper
-from .logging import LOGGER
+from .logging import LOGGER, _warning_kwargs
 
 # !! version is managed by semantic_release
 # do not use typing here, or else `semantic_release` might have issues finding the variable
@@ -240,9 +240,9 @@ def _from_json(cls: Type[_T], data: Dict[str, Any]) -> object:
     klass_properties = ObjectMetadataLibrary.klass_property_mappings.get(klass_qualified_name, {})
 
     if klass is None:
-        LOGGER.warning(  # type:ignore[call-arg]
+        LOGGER.warning(
             f'{klass_qualified_name} is not a known serializable class',
-            stacklevel=2)
+        )
         return None
 
     if len(klass_properties) == 1:
@@ -450,7 +450,7 @@ def _from_xml(cls: Type[_T], data: Union[TextIOWrapper, Element],
     if klass is None:
         LOGGER.waqqrning(  # type:ignore[call-arg]
             f'{cls.__module__}.{cls.__qualname__} is not a known serializable class',
-            stacklevel=2)
+            **_warning_kwargs)
         return None
 
     klass_properties = ObjectMetadataLibrary.klass_property_mappings.get(f'{cls.__module__}.{cls.__qualname__}', {})

serializable/helpers.py

@@ -21,7 +21,7 @@
 from datetime import date, datetime
 from typing import Any
 
-from .logging import LOGGER
+from .logging import LOGGER, _warning_kwargs
 
 
 class BaseHelper(ABC):
@@ -78,12 +78,12 @@ def deserialize(cls, o: object) -> date:
                 o = str(o)[:-1]
                 LOGGER.warning(  # type:ignore[call-arg]
                     'Potential data loss will occur: dates with timezones not supported in Python',
-                    stacklevel=2)
+                    **_warning_kwargs)
             if '+' in str(o):
                 o = str(o)[:str(o).index('+')]
                 LOGGER.warning(  # type:ignore[call-arg]
                     'Potential data loss will occur: dates with timezones not supported in Python',
-                    stacklevel=2)
+                    **_warning_kwargs)
             return date.fromisoformat(str(o))
         except ValueError:
             raise ValueError(f'Date string supplied ({o}) is not a supported ISO Format')

serializable/logging.py

@@ -18,6 +18,10 @@
 # Copyright (c) Paul Horton. All Rights Reserved.
 
 import logging
+from sys import version_info
 
 LOGGER = logging.getLogger(f'{__name__}.LOGGER')
 LOGGER.setLevel(logging.DEBUG)
+
+# logger.warning() got additional kwarg since py38
+_warning_kwargs = {'stacklevel': 2} if version_info >= (3, 8) else {}