Issue python#29092: Merge 3.6.

Author: zhangyangyu

Doc/library/os.rst

@@ -2213,7 +2213,7 @@ features:
 
    Get the status of a file or a file descriptor. Perform the equivalent of a
    :c:func:`stat` system call on the given path. *path* may be specified as
-   either a string -- directly or indirectly through the :class:`PathLike`
+   either a string or bytes -- directly or indirectly through the :class:`PathLike`
    interface -- or as an open file descriptor. Return a :class:`stat_result`
    object.
 

Modules/clinic/posixmodule.c.h

@@ -9,7 +9,8 @@ PyDoc_STRVAR(os_stat__doc__,
 "Perform a stat system call on the given path.\n"
 "\n"
 "  path\n"
-"    Path to be examined; can be string, bytes, or open-file-descriptor int.\n"
+"    Path to be examined; can be string, bytes, path-like object or\n"
+"    open-file-descriptor int.\n"
 "  dir_fd\n"
 "    If not None, it should be a file descriptor open to a directory,\n"
 "    and path should be a relative string; path will then be relative to\n"
@@ -6492,4 +6493,4 @@ os_getrandom(PyObject *module, PyObject **args, Py_ssize_t nargs, PyObject *kwna
 #ifndef OS_GETRANDOM_METHODDEF
     #define OS_GETRANDOM_METHODDEF
 #endif /* !defined(OS_GETRANDOM_METHODDEF) */
-/*[clinic end generated code: output=30cdd28fc524f2fb input=a9049054013a1b77]*/
+/*[clinic end generated code: output=5a0be969e3f71660 input=a9049054013a1b77]*/

Modules/posixmodule.c

@@ -2386,7 +2386,8 @@ class sched_param_converter(CConverter):
 os.stat
 
     path : path_t(allow_fd=True)
-        Path to be examined; can be string, bytes, or open-file-descriptor int.
+        Path to be examined; can be string, bytes, path-like object or
+        open-file-descriptor int.
 
     *
 
@@ -2413,7 +2414,7 @@ It's an error to use dir_fd or follow_symlinks when specifying path as
 
 static PyObject *
 os_stat_impl(PyObject *module, path_t *path, int dir_fd, int follow_symlinks)
-/*[clinic end generated code: output=7d4976e6f18a59c5 input=099d356c306fa24a]*/
+/*[clinic end generated code: output=7d4976e6f18a59c5 input=270bd64e7bb3c8f7]*/
 {
     return posix_do_stat("stat", path, dir_fd, follow_symlinks);
 }