Revert "bpo-34595: Add %T format to PyUnicode_FromFormatV() (GH-9080)" (GH-9187)

This reverts commit 886483e2.

Doc/c-api/unicode.rst

@@ -519,9 +519,6 @@ APIs:
    | :attr:`%R`        | PyObject\*          | The result of calling          |
    |                   |                     | :c:func:`PyObject_Repr`.       |
    +-------------------+---------------------+--------------------------------+
-   | :attr:`%T`        | PyObject\*          | Object type name, equivalent   |
-   |                   |                     | to ``Py_TYPE(op)->tp_name``.   |
-   +-------------------+---------------------+--------------------------------+
 
    An unrecognized format character causes all the rest of the format string to be
    copied as-is to the result string, and any extra arguments discarded.
@@ -546,9 +543,6 @@ APIs:
       Support width and precision formatter for ``"%s"``, ``"%A"``, ``"%U"``,
       ``"%V"``, ``"%S"``, ``"%R"`` added.
 
-   .. versionchanged:: 3.7
-      Support for ``"%T"`` (object type name) added.
-
 
 .. c:function:: PyObject* PyUnicode_FromFormatV(const char *format, va_list vargs)
 

Lib/test/test_unicode.py

@@ -2655,10 +2655,6 @@ class CAPITest(unittest.TestCase):
         check_format(r"%A:'abc\xe9\uabcd\U0010ffff'",
                      b'%%A:%A', 'abc\xe9\uabcd\U0010ffff')
 
-        # test %T (object type name)
-        check_format(r"type name: str",
-                     b'type name: %T', 'text')
-
         # test %V
         check_format('repr=abc',
                      b'repr=%V', 'abc', b'xyz')

Misc/NEWS.d/next/C API/2018-09-06-11-17-49.bpo-34595.Hkz62y.rst

-:c:func:`PyUnicode_FromFormatV`: add ``%T`` format to
-:c:func:`PyUnicode_FromFormatV`, and so to :c:func:`PyUnicode_FromFormat`
-and :c:func:`PyErr_Format`, to format an object type name: equivalent to
-"%s" with ``Py_TYPE(obj)->tp_name``.