Create registry.py

registry.py

@@ -0,0 +1,25 @@
+from functools import wraps
+import inspect
+
+class FilterRegistry:
+    def __init__(self):
+        self.filters = {}
+        self.params_map = {}
+
+    def register(self, name, **defaults):
+        def decorator(func):
+            self.filters[name] = func
+            sig = inspect.signature(func)
+            params = {}
+            for param in sig.parameters.values():
+                if param.name == 'image':
+                    continue
+                params[param.name] = {
+                    'type': param.annotation,
+                    'default': param.default if param.default != inspect.Parameter.empty else defaults.get(param.name)
+                }
+            self.params_map[name] = params
+            return func
+        return decorator
+
+registry = FilterRegistry()