gh-140326: disable the relative import in asyncio REPL (#140327)

Co-authored-by: Kumar Aditya <kumaraditya@python.org>

Author: Locked-chess-official

Lib/asyncio/__main__.py

@@ -212,11 +212,14 @@ def interrupt(self) -> None:
     loop = asyncio.new_event_loop()
     asyncio.set_event_loop(loop)
 
-    repl_locals = {'asyncio': asyncio}
-    for key in {'__name__', '__package__',
-                '__loader__', '__spec__',
-                '__builtins__', '__file__'}:
-        repl_locals[key] = locals()[key]
+    repl_locals = {
+        'asyncio': asyncio,
+        '__name__': __name__,
+        '__package__': None,
+        '__loader__': __loader__,
+        '__spec__': None,
+        '__builtins__': __builtins__,
+    }
 
     console = AsyncIOInteractiveConsole(repl_locals, loop)
 

Misc/NEWS.d/next/Library/2025-10-19-17-34-07.gh-issue-140326.kZM0pV.rst

@@ -0,0 +1,3 @@
+Fix the :mod:`asyncio` REPL namespace so that relative imports no longer
+resolve against the :mod:`asyncio` package and ``__file__`` is no longer
+set.