fix: fix errors in the exposed methods resolution

Author: atsareg

src/DIRAC/Core/Tornado/Server/TornadoREST.py

@@ -4,13 +4,9 @@
 """
 
 import os
-import inspect
 from tornado.escape import json_decode
 from tornado.web import url as TornadoURL
-from urllib.parse import unquote
-from functools import partial
 
-from DIRAC import gLogger
 from DIRAC.ConfigurationSystem.Client import PathFinder
 from DIRAC.Core.Tornado.Server.private.BaseRequestHandler import *
 
@@ -171,7 +167,7 @@ def _pre_initialize(cls) -> list:
         """
         urls = []
         # Look for methods that are exported
-        for prefix in [cls.METHOD_PREFIX] if cls.METHOD_PREFIX else cls.SUPPORTED_METHODS:
+        for prefix in [cls.METHOD_PREFIX] if cls.METHOD_PREFIX else [f"{pref}_" for pref in cls.SUPPORTED_METHODS]:
             prefix = prefix.lower()
             for mName, mObj in inspect.getmembers(cls, lambda x: callable(x) and x.__name__.startswith(prefix)):
                 methodName = mName[len(prefix) :]
@@ -341,4 +337,4 @@ def post_note(self, pos_only, /, standard, *, kwd_only):
                 # Wrap argument with annotated type
                 keywordArguments[name] = _type(value) if _type else value
 
-        return (positionalArguments, keywordArguments)
+        return positionalArguments, keywordArguments