@@ -27,7 +27,7 @@ internal class MethodObject : ExtensionType
2727internal PyString ? doc ;
2828internal MaybeType type ;
2929
30- public MethodObject ( MaybeType type , string name , MethodBase [ ] info , bool allow_threads = MethodBinder . DefaultAllowThreads )
30+ public MethodObject ( MaybeType type , string name , MethodBase [ ] info , bool allow_threads )
3131{
3232this . type = type ;
3333this . name = name ;
@@ -45,6 +45,11 @@ public MethodObject(MaybeType type, string name, MethodBase[] info, bool allow_t
4545binder . allow_threads = allow_threads ;
4646}
4747
48+ public MethodObject ( MaybeType type , string name , MethodBase [ ] info )
49+ : this ( type , name , info , allow_threads : AllowThreads ( info ) )
50+ {
51+ }
52+
4853public bool IsInstanceConstructor => name == "__init__" ;
4954
5055public MethodObject WithOverloads ( MethodBase [ ] overloads )
@@ -206,5 +211,27 @@ public static NewReference tp_repr(BorrowedReference ob)
206211var self = ( MethodObject ) GetManagedObject ( ob ) ! ;
207212return Runtime . PyString_FromString ( $ "<method '{ self . name } '>") ;
208213}
214+
215+ static bool AllowThreads ( MethodBase [ ] methods )
216+ {
217+ bool hasAllowOverload = false , hasForbidOverload = false ;
218+ foreach ( var method in methods )
219+ {
220+ bool forbidsThreads = method . GetCustomAttribute < ForbidPythonThreadsAttribute > ( inherit : false ) != null ;
221+ if ( forbidsThreads )
222+ {
223+ hasForbidOverload = true ;
224+ }
225+ else
226+ {
227+ hasAllowOverload = true ;
228+ }
229+ }
230+
231+ if ( hasAllowOverload && hasForbidOverload )
232+ throw new NotImplementedException ( "All method overloads currently must either allow or forbid Python threads together" ) ;
233+
234+ return ! hasForbidOverload ;
235+ }
209236}
210237}