refactor: add logger and move importlib one scope up

src/django_components/__init__.py

@@ -6,6 +6,7 @@ from pathlib import Path
 import django
 from django.utils.module_loading import autodiscover_modules
 
+from django_components.logger import logger
 from django_components.utils import search
 
 if django.VERSION < (3, 2):
@@ -21,27 +22,41 @@ def autodiscover() -> None:
 
         # Autodetect a <component>.py file in a components dir
         component_filepaths = search(search_glob="**/*.py").matched_files
+        logger.debug(
+            f"Autodiscover found {len(component_filepaths)} files in component directories."
+        )
+
         for path in component_filepaths:
-            import_file(path)
+            # This imports the file and runs it's code. So if the file defines any
+            # django components, they will be registered.
+            module_name = _filepath_to_python_module(path)
+            logger.debug(f'Importing module "{module_name}" (derived from path "{path}")')
+            importlib.import_module(module_name)
 
     for path_lib in app_settings.LIBRARIES:
         importlib.import_module(path_lib)
 
 
-def import_file(file_path: Path) -> None:
+def _filepath_to_python_module(file_path: Path) -> str:
+    """
+    Derive python import path from the filesystem path.
+
+    Example:
+    - If project root is `/path/to/project`
+    - And file_path is `/path/to/project/app/components/mycomp.py`
+    - Then the path relative to project root is `app/components/mycomp.py`
+    - Which we then turn into python import path `app.components.mycomp`
+    """
     # Get the root dir, see https://stackoverflow.com/a/16413955/9788634
     project_root = os.path.abspath(os.path.dirname(__name__))
 
-    # Derive python import path from the filesystem path
-    # Example:
-    # If project root is `/path/to/project`
-    # And file_path is `/path/to/project/app/components/mycomp.py`
-    # Then the path relative to project root is `app/components/mycomp.py`
-    # Which we then turn into python import path `app.components.mycomp`
+
     rel_path = os.path.relpath(file_path, start=project_root)
     rel_path_without_suffix = str(Path(rel_path).with_suffix(""))
-    module_name = rel_path_without_suffix.replace(os.sep, ".")
 
-    # This imports the file and runs it's code. So if the file defines any
-    # django components, they will be registered.
-    importlib.import_module(module_name)
+    # NOTE: Path normalizes paths to use `/` as separator, while os.path
+    # uses `os.path.sep`.
+    sep = os.path.sep if os.path.sep in rel_path_without_suffix else "/"
+    module_name = rel_path_without_suffix.replace(sep, ".")
+
+    return module_name