do not pretend to support passing a fd to access()

Misc/NEWS

@@ -62,6 +62,9 @@ Library
 
 - Issue #26470: Port ssl and hashlib module to OpenSSL 1.1.0.
 
+- Remove support for passing a file descriptor to os.access. It never worked but
+  previously didn't raise.
+
 - Issue #12885: Fix error when distutils encounters symlink.
 
 - Issue #27881: Fixed possible bugs when setting sqlite3.Connection.isolation_level.

Modules/clinic/posixmodule.c.h

@@ -96,7 +96,7 @@ PyDoc_STRVAR(os_access__doc__,
 "Use the real uid/gid to test for access to a path.\n"
 "\n"
 "  path\n"
-"    Path to be tested; can be string, bytes, or open-file-descriptor int.\n"
+"    Path to be tested; can be string or bytes\n"
 "  mode\n"
 "    Operating-system mode bitfield.  Can be F_OK to test existence,\n"
 "    or the inclusive-OR of R_OK, W_OK, and X_OK.\n"
@@ -132,7 +132,7 @@ os_access(PyObject *module, PyObject *args, PyObject *kwargs)
 {
     PyObject *return_value = NULL;
     static char *_keywords[] = {"path", "mode", "dir_fd", "effective_ids", "follow_symlinks", NULL};
-    path_t path = PATH_T_INITIALIZE("access", "path", 0, 1);
+    path_t path = PATH_T_INITIALIZE("access", "path", 0, 0);
     int mode;
     int dir_fd = DEFAULT_DIR_FD;
     int effective_ids = 0;
@@ -5784,4 +5784,4 @@ exit:
 #ifndef OS_SET_HANDLE_INHERITABLE_METHODDEF
     #define OS_SET_HANDLE_INHERITABLE_METHODDEF
 #endif /* !defined(OS_SET_HANDLE_INHERITABLE_METHODDEF) */
-/*[clinic end generated code: output=c27221987f987cf3 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=9d5f831b23145d1e input=a9049054013a1b77]*/

Modules/posixmodule.c

@@ -2517,8 +2517,8 @@ os_lstat_impl(PyObject *module, path_t *path, int dir_fd)
 /*[clinic input]
 os.access -> bool
 
-    path: path_t(allow_fd=True)
-        Path to be tested; can be string, bytes, or open-file-descriptor int.
+    path: path_t
+        Path to be tested; can be string or bytes
 
     mode: int
         Operating-system mode bitfield.  Can be F_OK to test existence,
@@ -2556,7 +2556,7 @@ Note that most operations will use the effective uid/gid, therefore this
 static int
 os_access_impl(PyObject *module, path_t *path, int mode, int dir_fd,
                int effective_ids, int follow_symlinks)
-/*[clinic end generated code: output=cf84158bc90b1a77 input=b75a756797af45ec]*/
+/*[clinic end generated code: output=cf84158bc90b1a77 input=8e8c3a6ba791fee3]*/
 {
     int return_value;