Index: Python/getargs.c
===================================================================
--- Python/getargs.c	(révision 81794)
+++ Python/getargs.c	(copie de travail)
@@ -864,7 +864,7 @@
         break;
     }
 
-    /* XXX WAAAAH!  's', 'y', 'z', 'u', 'Z', 'e', 'w', 't' codes all
+    /* XXX WAAAAH!  's', 'y', 'z', 'u', 'Z', 'e', 'w' codes all
        need to be cleaned up! */
 
     case 's': {/* text string */
@@ -1361,45 +1361,6 @@
         break;
     }
 
-      /*TEO: This can be eliminated --- here only for backward
-        compatibility */
-    case 't': { /* 8-bit character buffer, read-only access */
-        char **p = va_arg(*p_va, char **);
-        PyBufferProcs *pb = arg->ob_type->tp_as_buffer;
-        Py_ssize_t count;
-        Py_buffer view;
-
-        if (*format++ != '#')
-            return converterr(
-                "invalid use of 't' format character",
-                arg, msgbuf, bufsize);
-        if (pb == NULL || pb->bf_getbuffer == NULL)
-            return converterr(
-                "bytes or read-only character buffer",
-                arg, msgbuf, bufsize);
-
-        if (PyObject_GetBuffer(arg, &view, PyBUF_SIMPLE) != 0)
-            return converterr("string or single-segment read-only buffer",
-                              arg, msgbuf, bufsize);
-
-        count = view.len;
-        *p = view.buf;
-        if (pb->bf_releasebuffer)
-            return converterr(
-                "string or pinned buffer",
-                arg, msgbuf, bufsize);
-
-        PyBuffer_Release(&view);
-
-        if (count < 0)
-            return converterr("(unspecified)", arg, msgbuf, bufsize);
-        {
-            FETCH_SIZE;
-            STORE_SIZE(count);
-        }
-        break;
-    }
-
     default:
         return converterr("impossible<bad format char>", arg, msgbuf, bufsize);
 
Index: Misc/NEWS
===================================================================
--- Misc/NEWS	(révision 81787)
+++ Misc/NEWS	(copie de travail)
@@ -12,6 +12,10 @@
 Core and Builtins
 -----------------
 
+- Issue #8339: Remove "t#" format of PyArg_Parse*() functions, use "y#" or "y*"
+  instead. codecs.charbuffer_encode() now accepts modifiable buffer objects
+  like bytearray.
+
 - Issue #8837: Remove "O?" format of PyArg_Parse*() functions. The format is no
   used anymore and it was never documented.
 
Index: Doc/c-api/arg.rst
===================================================================
--- Doc/c-api/arg.rst	(révision 81787)
+++ Doc/c-api/arg.rst	(copie de travail)
@@ -149,13 +149,6 @@
    any conversion.  Raises :exc:`TypeError` if the object is not a Unicode
    object.  The C variable may also be declared as :ctype:`PyObject\*`.
 
-``t#`` (read-only character buffer) [char \*, int]
-   Like ``s#``, but accepts any object which implements the read-only buffer
-   interface.  The :ctype:`char\*` variable is set to point to the first byte of
-   the buffer, and the :ctype:`int` is set to the length of the buffer.  Only
-   single-segment buffer objects are accepted; :exc:`TypeError` is raised for all
-   others.
-
 ``w`` (read-write character buffer) [char \*]
    Similar to ``s``, but accepts any object which implements the read-write buffer
    interface.  The caller must determine the length of the buffer by other means,
Index: Doc/whatsnew/3.2.rst
===================================================================
--- Doc/whatsnew/3.2.rst	(révision 81787)
+++ Doc/whatsnew/3.2.rst	(copie de travail)
@@ -173,4 +173,6 @@
 
 * bytearray objects cannot be used anymore as filenames: convert them to bytes
 
+* "t#" format of PyArg_Parse*() functions has been removed: use "y#" or "y*" instead
+
 * Stub
Index: Lib/test/test_codecs.py
===================================================================
--- Lib/test/test_codecs.py	(révision 81787)
+++ Lib/test/test_codecs.py	(copie de travail)
@@ -632,6 +632,8 @@
 
     def test_string(self):
         self.assertEqual(codecs.charbuffer_encode(b"spam"), (b"spam", 4))
+        self.assertEqual(codecs.charbuffer_encode(bytearray(b"spam")),
+                         (b"spam", 4))
 
     def test_empty(self):
         self.assertEqual(codecs.charbuffer_encode(b""), (b"", 0))
@@ -639,6 +641,7 @@
     def test_bad_args(self):
         self.assertRaises(TypeError, codecs.charbuffer_encode)
         self.assertRaises(TypeError, codecs.charbuffer_encode, 42)
+        self.assertRaises(TypeError, codecs.charbuffer_encode, "unicode")
 
 class UTF8SigTest(ReadTest):
     encoding = "utf-8-sig"
Index: Modules/_codecsmodule.c
===================================================================
--- Modules/_codecsmodule.c	(révision 81787)
+++ Modules/_codecsmodule.c	(copie de travail)
@@ -642,15 +642,20 @@
 charbuffer_encode(PyObject *self,
                   PyObject *args)
 {
-    const char *data;
+    Py_buffer buffer;
+    const char *errors = NULL;
+    PyObject *bytes;
     Py_ssize_t size;
-    const char *errors = NULL;
 
-    if (!PyArg_ParseTuple(args, "t#|z:charbuffer_encode",
-                          &data, &size, &errors))
+    if (!PyArg_ParseTuple(args, "y*|z:charbuffer_encode",
+                          &buffer, &errors))
         return NULL;
 
-    return codec_tuple(PyBytes_FromStringAndSize(data, size), size);
+    size = buffer.len;
+    bytes = PyBytes_FromStringAndSize(buffer.buf, size);
+    PyBuffer_Release(&buffer);
+
+    return codec_tuple(bytes, size);
 }
 
 static PyObject *