Update prompt_toolkit patch

Author: msimacek

graalpython/lib-graalpython/patches/prompt_toolkit/prompt_toolkit.patch

@@ -1,53 +1,20 @@
 diff --git a/prompt_toolkit/application/application.py b/prompt_toolkit/application/application.py
-index d463781..c92b492 100644
+index d93c243..ed4a57e 100644
 --- a/prompt_toolkit/application/application.py
 +++ b/prompt_toolkit/application/application.py
-@@ -1597,29 +1597,31 @@ def _restore_sigint_from_ctypes() -> Generator[None, None, None]:
+@@ -1594,6 +1594,15 @@ def attach_winch_signal_handler(
+ 
+ @contextmanager
+ def _restore_sigint_from_ctypes() -> Generator[None, None, None]:
++    import sys
++    if sys.implementation.name == 'graalpy':
++        sigint = signal.getsignal(signal.SIGINT)
++        try:
++            yield
++        finally:
++            if sigint is not None:
++                signal.signal(signal.SIGINT, sigint)
++        return
      # The following functions are part of the stable ABI since python 3.2
      # See: https://docs.python.org/3/c-api/sys.html#c.PyOS_getsig
      # Inline import: these are not available on Pypy.
--    try:
--        from ctypes import c_int, c_void_p, pythonapi
--    except ImportError:
--        # Any of the above imports don't exist? Don't do anything here.
--        yield
--        return
- 
--    # PyOS_sighandler_t PyOS_getsig(int i)
--    pythonapi.PyOS_getsig.restype = c_void_p
--    pythonapi.PyOS_getsig.argtypes = (c_int,)
-+    # GraalPy change: avoid PyOS_getsig
-+    # try:
-+    #     from ctypes import c_int, c_void_p, pythonapi
-+    # except ImportError:
-+    #     # Any of the above imports don't exist? Don't do anything here.
-+    #     yield
-+    #     return
- 
--    # PyOS_sighandler_t PyOS_setsig(int i, PyOS_sighandler_t h)
--    pythonapi.PyOS_setsig.restype = c_void_p
--    pythonapi.PyOS_setsig.argtypes = (
--        c_int,
--        c_void_p,
--    )
-+    # # PyOS_sighandler_t PyOS_getsig(int i)
-+    # pythonapi.PyOS_getsig.restype = c_void_p
-+    # pythonapi.PyOS_getsig.argtypes = (c_int,)
-+
-+    # # PyOS_sighandler_t PyOS_setsig(int i, PyOS_sighandler_t h)
-+    # pythonapi.PyOS_setsig.restype = c_void_p
-+    # pythonapi.PyOS_setsig.argtypes = (
-+    #     c_int,
-+    #     c_void_p,
-+    # )
- 
-     sigint = signal.getsignal(signal.SIGINT)
--    sigint_os = pythonapi.PyOS_getsig(signal.SIGINT)
-+    # sigint_os = pythonapi.PyOS_getsig(signal.SIGINT)
- 
-     try:
-         yield
-     finally:
-         signal.signal(signal.SIGINT, sigint)
--        pythonapi.PyOS_setsig(signal.SIGINT, sigint_os)
-+        # pythonapi.PyOS_setsig(signal.SIGINT, sigint_os)