#8862: Fix curses cleanup with getchar is interrupted by a signal.

I have no idea how one would write a test for this.

Patch by July Tikhonov.

Misc/NEWS

@@ -214,6 +214,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #8862: Fixed curses cleanup when getkey is interrputed by a signal.
+
 - Issue #9090: When a socket with a timeout fails with EWOULDBLOCK or EAGAIN,
   retry the select() loop instead of bailing out.  This is because select()
   can incorrectly report a socket as ready for reading (for example, if it

Modules/_cursesmodule.c

@@ -885,7 +885,9 @@ PyCursesWindow_GetKey(PyCursesWindowObject *self, PyObject *args)
     }
     if (rtn == ERR) {
         /* getch() returns ERR in nodelay mode */
-        PyErr_SetString(PyCursesError, "no input");
+        PyErr_CheckSignals();
+        if (!PyErr_Occurred())
+            PyErr_SetString(PyCursesError, "no input");
         return NULL;
     } else if (rtn<=255) {
         return Py_BuildValue("c", rtn);