[Python-checkins] bpo-38916: array.array: remove fromstring() and tostring() (GH-17487)
Victor Stinner
webhook-mailer at python.org
Mon Dec 9 08:09:37 EST 2019
https://github.com/python/cpython/commit/0131aba5ae20d704b972ecd2ef0fc6c9e370a1b3
commit: 0131aba5ae20d704b972ecd2ef0fc6c9e370a1b3
branch: master
author: Victor Stinner <vstinner at python.org>
committer: GitHub <noreply at github.com>
date: 2019-12-09T14:09:14+01:00
summary:
bpo-38916: array.array: remove fromstring() and tostring() (GH-17487)
array.array: Remove tostring() and fromstring() methods. They were
aliases to tobytes() and frombytes(), deprecated since Python 3.2.
files:
A Misc/NEWS.d/next/Library/2019-12-06-18-47-56.bpo-38916.K-raU8.rst
M Doc/library/array.rst
M Doc/whatsnew/3.9.rst
M Lib/test/test_array.py
M Modules/arraymodule.c
M Modules/clinic/arraymodule.c.h
diff --git a/Doc/library/array.rst b/Doc/library/array.rst
index 2ae2a071262a1..c9a9b1dabb2a7 100644
--- a/Doc/library/array.rst
+++ b/Doc/library/array.rst
@@ -169,11 +169,6 @@ The following data items and methods are also supported:
a.append(x)`` except that if there is a type error, the array is unchanged.
-.. method:: array.fromstring()
-
- Deprecated alias for :meth:`frombytes`.
-
-
.. method:: array.fromunicode(s)
Extends this array with data from the given unicode string. The array must
@@ -231,11 +226,6 @@ The following data items and methods are also supported:
Convert the array to an ordinary list with the same items.
-.. method:: array.tostring()
-
- Deprecated alias for :meth:`tobytes`.
-
-
.. method:: array.tounicode()
Convert the array to a unicode string. The array must be a type ``'u'`` array;
diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
index 1cd96ef3b07af..7cf49bfbb93f9 100644
--- a/Doc/whatsnew/3.9.rst
+++ b/Doc/whatsnew/3.9.rst
@@ -279,6 +279,11 @@ Deprecated
Removed
=======
+* :class:`array.array`: ``tostring()`` and ``fromstring()`` methods have been
+ removed. They were aliases to ``tobytes()`` and ``frombytes()``, deprecated
+ since Python 3.2.
+ (Contributed by Victor Stinner in :issue:`38916`.)
+
* The abstract base classes in :mod:`collections.abc` no longer are
exposed in the regular :mod:`collections` module. This will help
create a clearer distinction between the concrete classes and the abstract
diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py
index c2439579e8ee5..5f612fba8a497 100644
--- a/Lib/test/test_array.py
+++ b/Lib/test/test_array.py
@@ -426,26 +426,6 @@ def test_tofromlist(self):
b.fromlist(a.tolist())
self.assertEqual(a, b)
- def test_tofromstring(self):
- # Warnings not raised when arguments are incorrect as Argument Clinic
- # handles that before the warning can be raised.
- nb_warnings = 2
- with warnings.catch_warnings(record=True) as r:
- warnings.filterwarnings("always",
- message=r"(to|from)string\(\) is deprecated",
- category=DeprecationWarning)
- a = array.array(self.typecode, 2*self.example)
- b = array.array(self.typecode)
- self.assertRaises(TypeError, a.tostring, 42)
- self.assertRaises(TypeError, b.fromstring)
- self.assertRaises(TypeError, b.fromstring, 42)
- b.fromstring(a.tostring())
- self.assertEqual(a, b)
- if a.itemsize>1:
- self.assertRaises(ValueError, b.fromstring, "x")
- nb_warnings += 1
- self.assertEqual(len(r), nb_warnings)
-
def test_tofrombytes(self):
a = array.array(self.typecode, 2*self.example)
b = array.array(self.typecode)
diff --git a/Misc/NEWS.d/next/Library/2019-12-06-18-47-56.bpo-38916.K-raU8.rst b/Misc/NEWS.d/next/Library/2019-12-06-18-47-56.bpo-38916.K-raU8.rst
new file mode 100644
index 0000000000000..cb4c4c03c128a
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2019-12-06-18-47-56.bpo-38916.K-raU8.rst
@@ -0,0 +1,3 @@
+:class:`array.array`: Remove ``tostring()`` and ``fromstring()`` methods.
+They were aliases to ``tobytes()`` and ``frombytes()``, deprecated since
+Python 3.2.
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index 1ceba9e63cbdf..edb56ab6e1873 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -1623,27 +1623,6 @@ frombytes(arrayobject *self, Py_buffer *buffer)
Py_RETURN_NONE;
}
-/*[clinic input]
-array.array.fromstring
-
- buffer: Py_buffer(accept={str, buffer})
- /
-
-Appends items from the string, interpreting it as an array of machine values, as if it had been read from a file using the fromfile() method).
-
-This method is deprecated. Use frombytes instead.
-[clinic start generated code]*/
-
-static PyObject *
-array_array_fromstring_impl(arrayobject *self, Py_buffer *buffer)
-/*[clinic end generated code: output=31c4baa779df84ce input=a3341a512e11d773]*/
-{
- if (PyErr_WarnEx(PyExc_DeprecationWarning,
- "fromstring() is deprecated. Use frombytes() instead.", 2) != 0)
- return NULL;
- return frombytes(self, buffer);
-}
-
/*[clinic input]
array.array.frombytes
@@ -1678,24 +1657,6 @@ array_array_tobytes_impl(arrayobject *self)
}
}
-/*[clinic input]
-array.array.tostring
-
-Convert the array to an array of machine values and return the bytes representation.
-
-This method is deprecated. Use tobytes instead.
-[clinic start generated code]*/
-
-static PyObject *
-array_array_tostring_impl(arrayobject *self)
-/*[clinic end generated code: output=7d6bd92745a2c8f3 input=b6c0ddee7b30457e]*/
-{
- if (PyErr_WarnEx(PyExc_DeprecationWarning,
- "tostring() is deprecated. Use tobytes() instead.", 2) != 0)
- return NULL;
- return array_array_tobytes_impl(self);
-}
-
/*[clinic input]
array.array.fromunicode
@@ -2283,7 +2244,6 @@ static PyMethodDef array_methods[] = {
ARRAY_ARRAY_EXTEND_METHODDEF
ARRAY_ARRAY_FROMFILE_METHODDEF
ARRAY_ARRAY_FROMLIST_METHODDEF
- ARRAY_ARRAY_FROMSTRING_METHODDEF
ARRAY_ARRAY_FROMBYTES_METHODDEF
ARRAY_ARRAY_FROMUNICODE_METHODDEF
ARRAY_ARRAY_INDEX_METHODDEF
@@ -2294,7 +2254,6 @@ static PyMethodDef array_methods[] = {
ARRAY_ARRAY_REVERSE_METHODDEF
ARRAY_ARRAY_TOFILE_METHODDEF
ARRAY_ARRAY_TOLIST_METHODDEF
- ARRAY_ARRAY_TOSTRING_METHODDEF
ARRAY_ARRAY_TOBYTES_METHODDEF
ARRAY_ARRAY_TOUNICODE_METHODDEF
ARRAY_ARRAY___SIZEOF___METHODDEF
diff --git a/Modules/clinic/arraymodule.c.h b/Modules/clinic/arraymodule.c.h
index 33f82d4da8b6c..e1f4b0397b9cb 100644
--- a/Modules/clinic/arraymodule.c.h
+++ b/Modules/clinic/arraymodule.c.h
@@ -312,54 +312,6 @@ array_array_tolist(arrayobject *self, PyObject *Py_UNUSED(ignored))
return array_array_tolist_impl(self);
}
-PyDoc_STRVAR(array_array_fromstring__doc__,
-"fromstring($self, buffer, /)\n"
-"--\n"
-"\n"
-"Appends items from the string, interpreting it as an array of machine values, as if it had been read from a file using the fromfile() method).\n"
-"\n"
-"This method is deprecated. Use frombytes instead.");
-
-#define ARRAY_ARRAY_FROMSTRING_METHODDEF \
- {"fromstring", (PyCFunction)array_array_fromstring, METH_O, array_array_fromstring__doc__},
-
-static PyObject *
-array_array_fromstring_impl(arrayobject *self, Py_buffer *buffer);
-
-static PyObject *
-array_array_fromstring(arrayobject *self, PyObject *arg)
-{
- PyObject *return_value = NULL;
- Py_buffer buffer = {NULL, NULL};
-
- if (PyUnicode_Check(arg)) {
- Py_ssize_t len;
- const char *ptr = PyUnicode_AsUTF8AndSize(arg, &len);
- if (ptr == NULL) {
- goto exit;
- }
- PyBuffer_FillInfo(&buffer, arg, (void *)ptr, len, 1, 0);
- }
- else { /* any bytes-like object */
- if (PyObject_GetBuffer(arg, &buffer, PyBUF_SIMPLE) != 0) {
- goto exit;
- }
- if (!PyBuffer_IsContiguous(&buffer, 'C')) {
- _PyArg_BadArgument("fromstring", "argument", "contiguous buffer", arg);
- goto exit;
- }
- }
- return_value = array_array_fromstring_impl(self, &buffer);
-
-exit:
- /* Cleanup for buffer */
- if (buffer.obj) {
- PyBuffer_Release(&buffer);
- }
-
- return return_value;
-}
-
PyDoc_STRVAR(array_array_frombytes__doc__,
"frombytes($self, buffer, /)\n"
"--\n"
@@ -414,26 +366,6 @@ array_array_tobytes(arrayobject *self, PyObject *Py_UNUSED(ignored))
return array_array_tobytes_impl(self);
}
-PyDoc_STRVAR(array_array_tostring__doc__,
-"tostring($self, /)\n"
-"--\n"
-"\n"
-"Convert the array to an array of machine values and return the bytes representation.\n"
-"\n"
-"This method is deprecated. Use tobytes instead.");
-
-#define ARRAY_ARRAY_TOSTRING_METHODDEF \
- {"tostring", (PyCFunction)array_array_tostring, METH_NOARGS, array_array_tostring__doc__},
-
-static PyObject *
-array_array_tostring_impl(arrayobject *self);
-
-static PyObject *
-array_array_tostring(arrayobject *self, PyObject *Py_UNUSED(ignored))
-{
- return array_array_tostring_impl(self);
-}
-
PyDoc_STRVAR(array_array_fromunicode__doc__,
"fromunicode($self, ustr, /)\n"
"--\n"
@@ -599,4 +531,4 @@ PyDoc_STRVAR(array_arrayiterator___setstate____doc__,
#define ARRAY_ARRAYITERATOR___SETSTATE___METHODDEF \
{"__setstate__", (PyCFunction)array_arrayiterator___setstate__, METH_O, array_arrayiterator___setstate____doc__},
-/*[clinic end generated code: output=6aa421571e2c0756 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=f649fc0bc9f6b13a input=a9049054013a1b77]*/
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