Initial commit, win32 and darwin support only

module_loader.py

@@ -0,0 +1,69 @@
+import imp
+import os
+import re
+import inspect
+import logging
+
+global environment_handlers
+global source_handlers
+environment_handlers = {}
+source_handlers = {}
+
+"""
+This finds all modules in a directory
+
+:param path: The path to the directory
+:returns: A set of modules in the directory
+"""
+def modules_in_dir(path: str) -> set:
+	result = set()
+	for entry in os.listdir(path):
+		if os.path.isfile(os.path.join(path, entry)):
+			matches = re.search("(.+\.py)$", entry)
+			if matches:
+				result.add(matches.group(0))
+	return result
+
+"""
+This automatically loads all modules in a directory
+
+:param path: The path to the directory
+"""
+def import_dir(path: str):
+	for filename in sorted(modules_in_dir(path)):
+		search_path = os.path.join(os.getcwd(), path)
+		module_name, _ = os.path.splitext(filename)
+		fp, path_name, description = imp.find_module(module_name, [search_path,])
+		imp.load_module(module_name, fp, path_name, description)
+
+"""
+This provides a dynamic way to load environment handlers through a decorator
+
+:param environment: The name of the environment
+:returns: A function for decoration
+"""
+def add_environment(environment: str) -> callable:
+	# Get the current frame
+	frame = inspect.stack()[1]
+	# From the current frame, extract the relative path to the file
+	path = frame[0].f_code.co_filename
+	def wrapper(function):
+		environment_handlers[environment] = function
+		logging.info(f"Loaded environment handler {environment} from {path}")
+	return wrapper
+
+"""
+This provides a dynamic way to load wallpaper sources through a decorator
+
+:param source: The name of the source
+:returns: A function for decoration
+"""
+def add_source(source: str) -> callable:
+	# Get the current frame
+	frame = inspect.stack()[1]
+	# From the current frame, extract the relative path to the file
+	path = frame[0].f_code.co_filename
+	def wrapper(function):
+		source_handlers[source] = function
+		logging.info(f"Loaded wallpaper source {source} from {path}")
+	return wrapper