Add per-endpoint NPM discovery adapters

dns_sync/registry.py

@@ -1,7 +1,7 @@
 import importlib
 
 
-def _load(kind: str, name: str, config):
+def _load(kind: str, name: str, config, *args):
     if not name or not name.replace("_", "").replace("-", "").isalnum():
         raise RuntimeError(f"Invalid {kind} plugin name: {name!r}")
 
@@ -19,7 +19,7 @@ def _load(kind: str, name: str, config):
     if plugin_class is None:
         raise RuntimeError(f"Plugin module {path} does not export Plugin")
 
-    return plugin_class(config)
+    return plugin_class(config, *args)
 
 
 def load_source(name: str, config):
@@ -28,3 +28,7 @@ def load_source(name: str, config):
 
 def load_provider(name: str, config):
     return _load("providers", name, config)
+
+
+def load_adapter(name: str, config, endpoint):
+    return _load("adapters", name, config, endpoint)