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Issue #20175: Converted the _io module to Argument Clinic.

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This commit is contained in:
Serhiy Storchaka 2015-04-16 11:19:43 +03:00
parent 7f90cba7f3
commit f24131ff31
16 changed files with 4209 additions and 1372 deletions
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429
Modules/_io/bytesio.c
View file

@ -2,6 +2,12 @@
#include "structmember.h" /* for offsetof() */
#include "_iomodule.h"
/*[clinic input]
module _io
class _io.BytesIO "bytesio *" "&PyBytesIO_Type"
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=7f50ec034f5c0b26]*/
typedef struct {
PyObject_HEAD
PyObject *buf;
@ -203,40 +209,71 @@ bytesio_get_closed(bytesio *self)
}
}
PyDoc_STRVAR(readable_doc,
"readable() -> bool. Returns True if the IO object can be read.");
/*[clinic input]
_io.BytesIO.readable
PyDoc_STRVAR(writable_doc,
"writable() -> bool. Returns True if the IO object can be written.");
Returns True if the IO object can be read.
[clinic start generated code]*/
PyDoc_STRVAR(seekable_doc,
"seekable() -> bool. Returns True if the IO object can be seeked.");
/* Generic getter for the writable, readable and seekable properties */
static PyObject *
return_not_closed(bytesio *self)
_io_BytesIO_readable_impl(bytesio *self)
/*[clinic end generated code: output=4e93822ad5b62263 input=96c5d0cccfb29f5c]*/
{
CHECK_CLOSED(self);
Py_RETURN_TRUE;
}
PyDoc_STRVAR(flush_doc,
"flush() -> None. Does nothing.");
/*[clinic input]
_io.BytesIO.writable
Returns True if the IO object can be written.
[clinic start generated code]*/
static PyObject *
bytesio_flush(bytesio *self)
_io_BytesIO_writable_impl(bytesio *self)
/*[clinic end generated code: output=64ff6a254b1150b8 input=700eed808277560a]*/
{
CHECK_CLOSED(self);
Py_RETURN_TRUE;
}
/*[clinic input]
_io.BytesIO.seekable
Returns True if the IO object can be seeked.
[clinic start generated code]*/
static PyObject *
_io_BytesIO_seekable_impl(bytesio *self)
/*[clinic end generated code: output=6b417f46dcc09b56 input=9421f65627a344dd]*/
{
CHECK_CLOSED(self);
Py_RETURN_TRUE;
}
/*[clinic input]
_io.BytesIO.flush
Does nothing.
[clinic start generated code]*/
static PyObject *
_io_BytesIO_flush_impl(bytesio *self)
/*[clinic end generated code: output=187e3d781ca134a0 input=561ea490be4581a7]*/
{
CHECK_CLOSED(self);
Py_RETURN_NONE;
}
PyDoc_STRVAR(getbuffer_doc,
"getbuffer() -> bytes.\n"
"\n"
"Get a read-write view over the contents of the BytesIO object.");
/*[clinic input]
_io.BytesIO.getbuffer
Get a read-write view over the contents of the BytesIO object.
[clinic start generated code]*/
static PyObject *
bytesio_getbuffer(bytesio *self)
_io_BytesIO_getbuffer_impl(bytesio *self)
/*[clinic end generated code: output=72cd7c6e13aa09ed input=8f738ef615865176]*/
{
PyTypeObject *type = &_PyBytesIOBuffer_Type;
bytesiobuf *buf;
@ -254,13 +291,15 @@ bytesio_getbuffer(bytesio *self)
return view;
}
PyDoc_STRVAR(getval_doc,
"getvalue() -> bytes.\n"
"\n"
"Retrieve the entire contents of the BytesIO object.");
/*[clinic input]
_io.BytesIO.getvalue
Retrieve the entire contents of the BytesIO object.
[clinic start generated code]*/
static PyObject *
bytesio_getvalue(bytesio *self)
_io_BytesIO_getvalue_impl(bytesio *self)
/*[clinic end generated code: output=b3f6a3233c8fd628 input=4b403ac0af3973ed]*/
{
CHECK_CLOSED(self);
if (self->string_size <= 1 || self->exports > 0)
@ -281,24 +320,31 @@ bytesio_getvalue(bytesio *self)
return self->buf;
}
PyDoc_STRVAR(isatty_doc,
"isatty() -> False.\n"
"\n"
"Always returns False since BytesIO objects are not connected\n"
"to a tty-like device.");
/*[clinic input]
_io.BytesIO.isatty
Always returns False.
BytesIO objects are not connected to a TTY-like device.
[clinic start generated code]*/
static PyObject *
bytesio_isatty(bytesio *self)
_io_BytesIO_isatty_impl(bytesio *self)
/*[clinic end generated code: output=df67712e669f6c8f input=6f97f0985d13f827]*/
{
CHECK_CLOSED(self);
Py_RETURN_FALSE;
}
PyDoc_STRVAR(tell_doc,
"tell() -> current file position, an integer\n");
/*[clinic input]
_io.BytesIO.tell
Current file position, an integer.
[clinic start generated code]*/
static PyObject *
bytesio_tell(bytesio *self)
_io_BytesIO_tell_impl(bytesio *self)
/*[clinic end generated code: output=b54b0f93cd0e5e1d input=b106adf099cb3657]*/
{
CHECK_CLOSED(self);
return PyLong_FromSsize_t(self->pos);
@ -324,23 +370,25 @@ read_bytes(bytesio *self, Py_ssize_t size)
return PyBytes_FromStringAndSize(output, size);
}
PyDoc_STRVAR(read_doc,
"read([size]) -> read at most size bytes, returned as a bytes object.\n"
"\n"
"If the size argument is negative, read until EOF is reached.\n"
"Return an empty bytes object at EOF.");
/*[clinic input]
_io.BytesIO.read
size as arg: object = None
/
Read at most size bytes, returned as a bytes object.
If the size argument is negative, read until EOF is reached.
Return an empty bytes object at EOF.
[clinic start generated code]*/
static PyObject *
bytesio_read(bytesio *self, PyObject *args)
_io_BytesIO_read_impl(bytesio *self, PyObject *arg)
/*[clinic end generated code: output=85dacb535c1e1781 input=cc7ba4a797bb1555]*/
{
Py_ssize_t size, n;
PyObject *arg = Py_None;
CHECK_CLOSED(self);
if (!PyArg_ParseTuple(args, "|O:read", &arg))
return NULL;
if (PyLong_Check(arg)) {
size = PyLong_AsSsize_t(arg);
if (size == -1 && PyErr_Occurred())
@ -368,43 +416,44 @@ bytesio_read(bytesio *self, PyObject *args)
}
PyDoc_STRVAR(read1_doc,
"read1(size) -> read at most size bytes, returned as a bytes object.\n"
"\n"
"If the size argument is negative or omitted, read until EOF is reached.\n"
"Return an empty bytes object at EOF.");
/*[clinic input]
_io.BytesIO.read1
size: object
/
Read at most size bytes, returned as a bytes object.
If the size argument is negative or omitted, read until EOF is reached.
Return an empty bytes object at EOF.
[clinic start generated code]*/
static PyObject *
bytesio_read1(bytesio *self, PyObject *n)
_io_BytesIO_read1(bytesio *self, PyObject *size)
/*[clinic end generated code: output=16021f5d0ac3d4e2 input=d4f40bb8f2f99418]*/
{
PyObject *arg, *res;
arg = PyTuple_Pack(1, n);
if (arg == NULL)
return NULL;
res = bytesio_read(self, arg);
Py_DECREF(arg);
return res;
return _io_BytesIO_read_impl(self, size);
}
PyDoc_STRVAR(readline_doc,
"readline([size]) -> next line from the file, as a bytes object.\n"
"\n"
"Retain newline. A non-negative size argument limits the maximum\n"
"number of bytes to return (an incomplete line may be returned then).\n"
"Return an empty bytes object at EOF.\n");
/*[clinic input]
_io.BytesIO.readline
size as arg: object = None
/
Next line from the file, as a bytes object.
Retain newline. A non-negative size argument limits the maximum
number of bytes to return (an incomplete line may be returned then).
Return an empty bytes object at EOF.
[clinic start generated code]*/
static PyObject *
bytesio_readline(bytesio *self, PyObject *args)
_io_BytesIO_readline_impl(bytesio *self, PyObject *arg)
/*[clinic end generated code: output=1c2115534a4f9276 input=ca31f06de6eab257]*/
{
Py_ssize_t size, n;
PyObject *arg = Py_None;
CHECK_CLOSED(self);
if (!PyArg_ParseTuple(args, "|O:readline", &arg))
return NULL;
if (PyLong_Check(arg)) {
size = PyLong_AsSsize_t(arg);
if (size == -1 && PyErr_Occurred())
@ -425,26 +474,28 @@ bytesio_readline(bytesio *self, PyObject *args)
return read_bytes(self, n);
}
PyDoc_STRVAR(readlines_doc,
"readlines([size]) -> list of strings, each a line from the file.\n"
"\n"
"Call readline() repeatedly and return a list of the lines so read.\n"
"The optional size argument, if given, is an approximate bound on the\n"
"total number of bytes in the lines returned.\n");
/*[clinic input]
_io.BytesIO.readlines
size as arg: object = None
/
List of bytes objects, each a line from the file.
Call readline() repeatedly and return a list of the lines so read.
The optional size argument, if given, is an approximate bound on the
total number of bytes in the lines returned.
[clinic start generated code]*/
static PyObject *
bytesio_readlines(bytesio *self, PyObject *args)
_io_BytesIO_readlines_impl(bytesio *self, PyObject *arg)
/*[clinic end generated code: output=09b8e34c880808ff input=691aa1314f2c2a87]*/
{
Py_ssize_t maxsize, size, n;
PyObject *result, *line;
char *output;
PyObject *arg = Py_None;
CHECK_CLOSED(self);
if (!PyArg_ParseTuple(args, "|O:readlines", &arg))
return NULL;
if (PyLong_Check(arg)) {
maxsize = PyLong_AsSsize_t(arg);
if (maxsize == -1 && PyErr_Occurred())
@ -488,25 +539,27 @@ bytesio_readlines(bytesio *self, PyObject *args)
return NULL;
}
PyDoc_STRVAR(readinto_doc,
"readinto(bytearray) -> int. Read up to len(b) bytes into b.\n"
"\n"
"Returns number of bytes read (0 for EOF), or None if the object\n"
"is set not to block as has no data to read.");
/*[clinic input]
_io.BytesIO.readinto
buffer: Py_buffer(types={'rwbuffer'})
/
Read up to len(buffer) bytes into buffer.
Returns number of bytes read (0 for EOF), or None if the object
is set not to block as has no data to read.
[clinic start generated code]*/
static PyObject *
bytesio_readinto(bytesio *self, PyObject *arg)
_io_BytesIO_readinto_impl(bytesio *self, Py_buffer *buffer)
/*[clinic end generated code: output=a5d407217dcf0639 input=d289da851c7c4159]*/
{
Py_buffer buffer;
Py_ssize_t len, n;
CHECK_CLOSED(self);
if (!PyArg_Parse(arg, "w*", &buffer))
return NULL;
/* adjust invalid sizes */
len = buffer.len;
len = buffer->len;
n = self->string_size - self->pos;
if (len > n) {
len = n;
@ -514,33 +567,34 @@ bytesio_readinto(bytesio *self, PyObject *arg)
len = 0;
}
memcpy(buffer.buf, PyBytes_AS_STRING(self->buf) + self->pos, len);
memcpy(buffer->buf, PyBytes_AS_STRING(self->buf) + self->pos, len);
assert(self->pos + len < PY_SSIZE_T_MAX);
assert(len >= 0);
self->pos += len;
PyBuffer_Release(&buffer);
return PyLong_FromSsize_t(len);
}
PyDoc_STRVAR(truncate_doc,
"truncate([size]) -> int. Truncate the file to at most size bytes.\n"
"\n"
"Size defaults to the current file position, as returned by tell().\n"
"The current file position is unchanged. Returns the new size.\n");
/*[clinic input]
_io.BytesIO.truncate
size as arg: object = None
/
Truncate the file to at most size bytes.
Size defaults to the current file position, as returned by tell().
The current file position is unchanged. Returns the new size.
[clinic start generated code]*/
static PyObject *
bytesio_truncate(bytesio *self, PyObject *args)
_io_BytesIO_truncate_impl(bytesio *self, PyObject *arg)
/*[clinic end generated code: output=81e6be60e67ddd66 input=11ed1966835462ba]*/
{
Py_ssize_t size;
PyObject *arg = Py_None;
CHECK_CLOSED(self);
CHECK_EXPORTS(self);
if (!PyArg_ParseTuple(args, "|O:truncate", &arg))
return NULL;
if (PyLong_Check(arg)) {
size = PyLong_AsSsize_t(arg);
if (size == -1 && PyErr_Occurred())
@ -586,36 +640,37 @@ bytesio_iternext(bytesio *self)
return read_bytes(self, n);
}
PyDoc_STRVAR(seek_doc,
"seek(pos, whence=0) -> int. Change stream position.\n"
"\n"
"Seek to byte offset pos relative to position indicated by whence:\n"
" 0 Start of stream (the default). pos should be >= 0;\n"
" 1 Current position - pos may be negative;\n"
" 2 End of stream - pos usually negative.\n"
"Returns the new absolute position.");
/*[clinic input]
_io.BytesIO.seek
pos: Py_ssize_t
whence: int = 0
/
Change stream position.
Seek to byte offset pos relative to position indicated by whence:
0 Start of stream (the default). pos should be >= 0;
1 Current position - pos may be negative;
2 End of stream - pos usually negative.
Returns the new absolute position.
[clinic start generated code]*/
static PyObject *
bytesio_seek(bytesio *self, PyObject *args)
_io_BytesIO_seek_impl(bytesio *self, Py_ssize_t pos, int whence)
/*[clinic end generated code: output=c26204a68e9190e4 input=1e875e6ebc652948]*/
{
Py_ssize_t pos;
int mode = 0;
CHECK_CLOSED(self);
if (!PyArg_ParseTuple(args, "n|i:seek", &pos, &mode))
return NULL;
if (pos < 0 && mode == 0) {
if (pos < 0 && whence == 0) {
PyErr_Format(PyExc_ValueError,
"negative seek value %zd", pos);
return NULL;
}
/* mode 0: offset relative to beginning of the string.
mode 1: offset relative to current position.
mode 2: offset relative the end of the string. */
if (mode == 1) {
/* whence = 0: offset relative to beginning of the string.
whence = 1: offset relative to current position.
whence = 2: offset relative the end of the string. */
if (whence == 1) {
if (pos > PY_SSIZE_T_MAX - self->pos) {
PyErr_SetString(PyExc_OverflowError,
"new position too large");
@ -623,7 +678,7 @@ bytesio_seek(bytesio *self, PyObject *args)
}
pos += self->pos;
}
else if (mode == 2) {
else if (whence == 2) {
if (pos > PY_SSIZE_T_MAX - self->string_size) {
PyErr_SetString(PyExc_OverflowError,
"new position too large");
@ -631,9 +686,9 @@ bytesio_seek(bytesio *self, PyObject *args)
}
pos += self->string_size;
}
else if (mode != 0) {
else if (whence != 0) {
PyErr_Format(PyExc_ValueError,
"invalid whence (%i, should be 0, 1 or 2)", mode);
"invalid whence (%i, should be 0, 1 or 2)", whence);
return NULL;
}
@ -644,54 +699,63 @@ bytesio_seek(bytesio *self, PyObject *args)
return PyLong_FromSsize_t(self->pos);
}
PyDoc_STRVAR(write_doc,
"write(bytes) -> int. Write bytes to file.\n"
"\n"
"Return the number of bytes written.");
/*[clinic input]
_io.BytesIO.write
b: object
/
Write bytes to file.
Return the number of bytes written.
[clinic start generated code]*/
static PyObject *
bytesio_write(bytesio *self, PyObject *obj)
_io_BytesIO_write(bytesio *self, PyObject *b)
/*[clinic end generated code: output=53316d99800a0b95 input=f5ec7c8c64ed720a]*/
{
Py_ssize_t n = 0;
Py_buffer buf;
PyObject *result = NULL;
CHECK_CLOSED(self);
CHECK_EXPORTS(self);
if (PyObject_GetBuffer(obj, &buf, PyBUF_CONTIG_RO) < 0)
if (PyObject_GetBuffer(b, &buf, PyBUF_CONTIG_RO) < 0)
return NULL;
if (buf.len != 0)
n = write_bytes(self, buf.buf, buf.len);
if (n >= 0)
result = PyLong_FromSsize_t(n);
PyBuffer_Release(&buf);
return result;
return n >= 0 ? PyLong_FromSsize_t(n) : NULL;
}
PyDoc_STRVAR(writelines_doc,
"writelines(lines) -> None. Write bytes objects to the file.\n"
"\n"
"Note that newlines are not added. The argument can be any iterable\n"
"object producing bytes objects. This is equivalent to calling write() for\n"
"each bytes object.");
/*[clinic input]
_io.BytesIO.writelines
lines: object
/
Write lines to the file.
Note that newlines are not added. lines can be any iterable object
producing bytes-like objects. This is equivalent to calling write() for
each element.
[clinic start generated code]*/
static PyObject *
bytesio_writelines(bytesio *self, PyObject *v)
_io_BytesIO_writelines(bytesio *self, PyObject *lines)
/*[clinic end generated code: output=7f33aa3271c91752 input=e972539176fc8fc1]*/
{
PyObject *it, *item;
PyObject *ret;
CHECK_CLOSED(self);
it = PyObject_GetIter(v);
it = PyObject_GetIter(lines);
if (it == NULL)
return NULL;
while ((item = PyIter_Next(it)) != NULL) {
ret = bytesio_write(self, item);
ret = _io_BytesIO_write(self, item);
Py_DECREF(item);
if (ret == NULL) {
Py_DECREF(it);
@ -708,11 +772,15 @@ bytesio_writelines(bytesio *self, PyObject *v)
Py_RETURN_NONE;
}
PyDoc_STRVAR(close_doc,
"close() -> None. Disable all I/O operations.");
/*[clinic input]
_io.BytesIO.close
Disable all I/O operations.
[clinic start generated code]*/
static PyObject *
bytesio_close(bytesio *self)
_io_BytesIO_close_impl(bytesio *self)
/*[clinic end generated code: output=1471bb9411af84a0 input=37e1f55556e61f60]*/
{
CHECK_EXPORTS(self);
Py_CLEAR(self->buf);
@ -737,7 +805,7 @@ bytesio_close(bytesio *self)
static PyObject *
bytesio_getstate(bytesio *self)
{
PyObject *initvalue = bytesio_getvalue(self);
PyObject *initvalue = _io_BytesIO_getvalue_impl(self);
PyObject *dict;
PyObject *state;
@ -787,7 +855,7 @@ bytesio_setstate(bytesio *self, PyObject *state)
/* Set the value of the internal buffer. If state[0] does not support the
buffer protocol, bytesio_write will raise the appropriate TypeError. */
result = bytesio_write(self, PyTuple_GET_ITEM(state, 0));
result = _io_BytesIO_write(self, PyTuple_GET_ITEM(state, 0));
if (result == NULL)
return NULL;
Py_DECREF(result);
@ -874,16 +942,17 @@ bytesio_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
return (PyObject *)self;
}
/*[clinic input]
_io.BytesIO.__init__
initial_bytes as initvalue: object(c_default="NULL") = b''
Buffered I/O implementation using an in-memory bytes buffer.
[clinic start generated code]*/
static int
bytesio_init(bytesio *self, PyObject *args, PyObject *kwds)
_io_BytesIO___init___impl(bytesio *self, PyObject *initvalue)
/*[clinic end generated code: output=65c0c51e24c5b621 input=aac7f31b67bf0fb6]*/
{
char *kwlist[] = {"initial_bytes", NULL};
PyObject *initvalue = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O:BytesIO", kwlist,
&initvalue))
return -1;
/* In case, __init__ is called multiple times. */
self->string_size = 0;
self->pos = 0;
@ -902,7 +971,7 @@ bytesio_init(bytesio *self, PyObject *args, PyObject *kwds)
}
else {
PyObject *res;
res = bytesio_write(self, initvalue);
res = _io_BytesIO_write(self, initvalue);
if (res == NULL)
return -1;
Py_DECREF(res);
@ -939,6 +1008,8 @@ bytesio_clear(bytesio *self)
}
#include "clinic/bytesio.c.h"
static PyGetSetDef bytesio_getsetlist[] = {
{"closed", (getter)bytesio_get_closed, NULL,
"True if the file is closed."},
@ -946,36 +1017,30 @@ static PyGetSetDef bytesio_getsetlist[] = {
};
static struct PyMethodDef bytesio_methods[] = {
{"readable", (PyCFunction)return_not_closed, METH_NOARGS, readable_doc},
{"seekable", (PyCFunction)return_not_closed, METH_NOARGS, seekable_doc},
{"writable", (PyCFunction)return_not_closed, METH_NOARGS, writable_doc},
{"close", (PyCFunction)bytesio_close, METH_NOARGS, close_doc},
{"flush", (PyCFunction)bytesio_flush, METH_NOARGS, flush_doc},
{"isatty", (PyCFunction)bytesio_isatty, METH_NOARGS, isatty_doc},
{"tell", (PyCFunction)bytesio_tell, METH_NOARGS, tell_doc},
{"write", (PyCFunction)bytesio_write, METH_O, write_doc},
{"writelines", (PyCFunction)bytesio_writelines, METH_O, writelines_doc},
{"read1", (PyCFunction)bytesio_read1, METH_O, read1_doc},
{"readinto", (PyCFunction)bytesio_readinto, METH_O, readinto_doc},
{"readline", (PyCFunction)bytesio_readline, METH_VARARGS, readline_doc},
{"readlines", (PyCFunction)bytesio_readlines, METH_VARARGS, readlines_doc},
{"read", (PyCFunction)bytesio_read, METH_VARARGS, read_doc},
{"getbuffer", (PyCFunction)bytesio_getbuffer, METH_NOARGS, getbuffer_doc},
{"getvalue", (PyCFunction)bytesio_getvalue, METH_NOARGS, getval_doc},
{"seek", (PyCFunction)bytesio_seek, METH_VARARGS, seek_doc},
{"truncate", (PyCFunction)bytesio_truncate, METH_VARARGS, truncate_doc},
_IO_BYTESIO_READABLE_METHODDEF
_IO_BYTESIO_SEEKABLE_METHODDEF
_IO_BYTESIO_WRITABLE_METHODDEF
_IO_BYTESIO_CLOSE_METHODDEF
_IO_BYTESIO_FLUSH_METHODDEF
_IO_BYTESIO_ISATTY_METHODDEF
_IO_BYTESIO_TELL_METHODDEF
_IO_BYTESIO_WRITE_METHODDEF
_IO_BYTESIO_WRITELINES_METHODDEF
_IO_BYTESIO_READ1_METHODDEF
_IO_BYTESIO_READINTO_METHODDEF
_IO_BYTESIO_READLINE_METHODDEF
_IO_BYTESIO_READLINES_METHODDEF
_IO_BYTESIO_READ_METHODDEF
_IO_BYTESIO_GETBUFFER_METHODDEF
_IO_BYTESIO_GETVALUE_METHODDEF
_IO_BYTESIO_SEEK_METHODDEF
_IO_BYTESIO_TRUNCATE_METHODDEF
{"__getstate__", (PyCFunction)bytesio_getstate, METH_NOARGS, NULL},
{"__setstate__", (PyCFunction)bytesio_setstate, METH_O, NULL},
{"__sizeof__", (PyCFunction)bytesio_sizeof, METH_NOARGS, NULL},
{NULL, NULL} /* sentinel */
};
PyDoc_STRVAR(bytesio_doc,
"BytesIO([buffer]) -> object\n"
"\n"
"Create a buffered I/O implementation using an in-memory bytes\n"
"buffer, ready for reading and writing.");
PyTypeObject PyBytesIO_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"_io.BytesIO", /*tp_name*/
@ -998,7 +1063,7 @@ PyTypeObject PyBytesIO_Type = {
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE |
Py_TPFLAGS_HAVE_GC, /*tp_flags*/
bytesio_doc, /*tp_doc*/
_io_BytesIO___init____doc__, /*tp_doc*/
(traverseproc)bytesio_traverse, /*tp_traverse*/
(inquiry)bytesio_clear, /*tp_clear*/
0, /*tp_richcompare*/
@ -1013,7 +1078,7 @@ PyTypeObject PyBytesIO_Type = {
0, /*tp_descr_get*/
0, /*tp_descr_set*/
offsetof(bytesio, dict), /*tp_dictoffset*/
(initproc)bytesio_init, /*tp_init*/
_io_BytesIO___init__, /*tp_init*/
0, /*tp_alloc*/
bytesio_new, /*tp_new*/
};