Remove unused code

Author: dbatten5

src/maison/config_sources/__init__.py

@@ -1,113 +1,11 @@
 """Module to hold various utils."""
 
-from collections.abc import Generator
-from pathlib import Path
-from typing import Any
-from typing import Optional
+from maison import types
 
-from maison.config_sources.base_source import BaseSource
-from maison.config_sources.ini_source import IniSource
-from maison.config_sources.pyproject_source import PyprojectSource
-from maison.config_sources.toml_source import TomlSource
 
-
-def path_contains_file(path: Path, filename: str) -> bool:
-    """Determine whether a file exists in the given path.
-
-    Args:
-        path: the path in which to search for the file
-        filename: the name of the file
-
-    Returns:
-        A boolean to indicate whether the given file exists in the given path
-    """
-    return (path / filename).is_file()
-
-
-def get_file_path(
-    filename: str, starting_path: Optional[Path] = None
-) -> Optional[Path]:
-    """Search for a file by traversing up the tree from a path.
-
-    Args:
-        filename: the name of the file or an absolute path to a config to search for
-        starting_path: an optional path from which to start searching
-
-    Returns:
-        The `Path` to the file if it exists or `None` if it doesn't
-    """
-    filename_path = Path(filename).expanduser()
-    if filename_path.is_absolute() and filename_path.is_file():
-        return filename_path
-
-    start = starting_path or Path.cwd()
-
-    for path in _generate_search_paths(starting_path=start):
-        if path_contains_file(path=path, filename=filename):
-            return path / filename
-
-    return None
-
-
-def _generate_search_paths(starting_path: Path) -> Generator[Path, None, None]:
-    """Generate paths from a starting path and traversing up the tree.
-
-    Args:
-        starting_path: a starting path to start yielding search paths
-
-    Yields:
-        a path from the tree
-    """
-    yield from [starting_path, *starting_path.parents]
-
-
-def _collect_configs(
-    package_name: str,
-    source_files: list[str],
-    starting_path: Optional[Path] = None,
-) -> list[BaseSource]:
-    """Collect configs and return them in a list.
-
-    Args:
-        package_name: the name of the package to be used to find the right section in
-            the config file
-        source_files: a list of source config filenames to look for.
-        starting_path: an optional starting path to start the search
-
-    Returns:
-        a list of the found config sources
-    """
-    sources: list[BaseSource] = []
-
-    for source in source_files:
-        file_path = get_file_path(
-            filename=source,
-            starting_path=starting_path,
-        )
-
-        if not file_path:
-            continue
-
-        # dict[str, Any] to stop mypy complaining:
-        # https://github.com/python/mypy/issues/5382#issuecomment-583901369
-        source_kwargs: dict[str, Any] = {
-            "filepath": file_path,
-            "package_name": package_name,
-        }
-
-        if source.endswith("toml"):
-            if source.startswith("pyproject"):
-                sources.append(PyprojectSource(**source_kwargs))
-            else:
-                sources.append(TomlSource(**source_kwargs))
-
-        if source.endswith("ini"):
-            sources.append(IniSource(**source_kwargs))
-
-    return sources
-
-
-def deep_merge(destination: dict[Any, Any], source: dict[Any, Any]) -> dict[Any, Any]:
+def deep_merge(
+    destination: types.ConfigValues, source: types.ConfigValues
+) -> types.ConfigValues:
     """Recursively updates the destination dictionary.
 
     Usage example:
@@ -141,7 +39,7 @@ def deep_merge(destination: dict[Any, Any], source: dict[Any, Any]) -> dict[Any,
                 raise RuntimeError(
                     f"Cannot merge dict '{src_value}' into type '{type(dest_node)}'"
                 )
-            deep_merge(dest_node, src_value)
+            _ = deep_merge(dest_node, src_value)
         else:
             destination[key] = src_value