adding latest changes to read-from-config

python/module-packages/read-from-config/library.py

@@ -0,0 +1,62 @@
+# Change MYMODULE
+from __future__ import annotations
+import sys
+from typing import Any, TypeVar, Type, TYPE_CHECKING
+
+if TYPE_CHECKING:
+    import logging
+
+
+config_inst_t = TypeVar('config_inst_t', bound='MYMODULE.config.Config')
+
+
+def export(fn: callable) -> callable:
+    mod = sys.modules[fn.__module__]
+    if hasattr(mod, '__all__'):
+        mod.__all__.append(fn.__name__)
+    else:
+        mod.__all__ = [fn.__name__]
+    return fn
+
+
+def set_config(
+    config_inst: Type[config_inst_t],
+    key: str,
+    default: str = None,
+    cast: Any = None,
+) -> None:
+    """Sets the config variable on the instance of a class.
+
+    Parameters
+    ----------
+    config_inst : Type[config_inst_t]
+        Instance of the :class:`~MYMODULE.config.Config` class.
+    key : str
+        The key referencing the config variable.
+    default : str, optional
+        The default value.
+    cast : Any, optional
+        The type of the variable.
+    """
+    config_var = key.lower().replace('.', '_')
+    setattr(config_inst, config_var, config_inst.get(key, default, cast))
+
+
+# Create function to print cached logged messages and reset
+def process_cached_logs(
+    config_inst: Type[config_inst_t],
+    logger: logging.Logger
+):
+    """Prints the cached messages from :class:`~MYMODULE.config.Config`
+    and resets the cache.
+
+    Parameters
+    ----------
+    config_inst : Type[config_inst_t]
+        Instance of :class:`~MYMODULE.config.Config`.
+    logger : logging.Logger
+        Instance of the logger.
+    """
+    for msg in config_inst.deferred_messages:
+        logger.info(msg)
+    config_inst.reset_log()