[3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620)

Turn deprecation warnings added in 3.8 into TypeError.

1 files changed, 1 insertions, 13 deletions

diff --git a/Lib/curses/__init__.py b/Lib/curses/__init__.py
index 24ff3ca..69270bf 100644
--- a/Lib/curses/__init__.py
+++ b/Lib/curses/__init__.py
@@ -60,7 +60,7 @@ except NameError:
 # raises an exception, wrapper() will restore the terminal to a sane state so
 # you can read the resulting traceback.
 
-def wrapper(*args, **kwds):
+def wrapper(func, /, *args, **kwds):
     """Wrapper function that initializes curses and calls another function,
     restoring normal keyboard/screen behavior on error.
     The callable object 'func' is then passed the main window 'stdscr'
@@ -68,17 +68,6 @@ def wrapper(*args, **kwds):
     wrapper().
     """
 
-    if args:
-        func, *args = args
-    elif 'func' in kwds:
-        func = kwds.pop('func')
-        import warnings
-        warnings.warn("Passing 'func' as keyword argument is deprecated",
-                      DeprecationWarning, stacklevel=2)
-    else:
-        raise TypeError('wrapper expected at least 1 positional argument, '
-                        'got %d' % len(args))
-
     try:
         # Initialize curses
         stdscr = initscr()
@@ -110,4 +99,3 @@ def wrapper(*args, **kwds):
             echo()
             nocbreak()
             endwin()
-wrapper.__text_signature__ = '(func, /, *args, **kwds)'