allow method renaming

aiohttp_xmlrpc/handler.py

@@ -43,7 +43,11 @@ def __new__(cls, clsname, superclasses, attributedict):
                 continue
 
             value = getattr(instance, key)
-            method_name = key.replace(instance.METHOD_PREFIX, "", 1)
+
+            method_name = getattr(value, "__xmlrpc_name__", None)
+            if method_name is None:
+                method_name = key.replace(instance.METHOD_PREFIX, "", 1)
+
             allowed_methods[method_name] = key
             argmapping[method_name] = inspect.getfullargspec(value)
 
@@ -185,3 +189,10 @@ def _build_xml(cls, tree):
             encoding="utf-8",
             pretty_print=cls.DEBUG,
         )
+
+
+def rename(new_name):
+    def decorator(func):
+        func.__xmlrpc_name__ = new_name
+        return func
+    return decorator

tests/test_handler.py

@@ -8,6 +8,7 @@
 from lxml import etree
 from lxml.builder import E
 
+from aiohttp_xmlrpc.handler import rename
 
 pytest_plugins = (
     "aiohttp.pytest_plugin",
@@ -52,6 +53,10 @@ def rpc_dict_kwargs(self, d, **kw):
     def rpc_dict_kw_only_args(self, d, *, foo, **kw):
         return (d, foo, kw)
 
+    @rename("method_with.new_name")
+    def rpc_ranamed(self):
+        return "renamed_function"
+
 
 class XMLRPCChild(XMLRPCMain):
     def rpc_child(self):
@@ -214,3 +219,8 @@ async def test_13_kw_only_args(client):
         {"foo": "bar"}, foo=32, spam="egg"
     )
     assert result == [{"foo": "bar"}, 32, {"spam": "egg"}]
+
+
+async def test_14_method_renaming(client):
+    result = await client.method_with.new_name()
+    assert result == "renamed_function"