cpython/Modules/cjkcodecs/multibytecodec.c

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/*
* multibytecodec.c: Common Multibyte Codec Implementation
*
* Written by Hye-Shik Chang <perky@FreeBSD.org>
*/
#define PY_SSIZE_T_CLEAN
#include "Python.h"
#include "structmember.h"
#include "multibytecodec.h"
typedef struct {
const Py_UNICODE *inbuf, *inbuf_top, *inbuf_end;
unsigned char *outbuf, *outbuf_end;
PyObject *excobj, *outobj;
} MultibyteEncodeBuffer;
typedef struct {
const unsigned char *inbuf, *inbuf_top, *inbuf_end;
Py_UNICODE *outbuf, *outbuf_end;
PyObject *excobj, *outobj;
} MultibyteDecodeBuffer;
PyDoc_STRVAR(MultibyteCodec_Encode__doc__,
"I.encode(unicode[, errors]) -> (string, length consumed)\n\
\n\
Return an encoded string version of `unicode'. errors may be given to\n\
set a different error handling scheme. Default is 'strict' meaning that\n\
encoding errors raise a UnicodeEncodeError. Other possible values are\n\
'ignore', 'replace' and 'xmlcharrefreplace' as well as any other name\n\
registered with codecs.register_error that can handle UnicodeEncodeErrors.");
PyDoc_STRVAR(MultibyteCodec_Decode__doc__,
"I.decode(string[, errors]) -> (unicodeobject, length consumed)\n\
\n\
Decodes `string' using I, an MultibyteCodec instance. errors may be given\n\
to set a different error handling scheme. Default is 'strict' meaning\n\
that encoding errors raise a UnicodeDecodeError. Other possible values\n\
2008-10-10 21:49:57 -03:00
are 'ignore' and 'replace' as well as any other name registered with\n\
codecs.register_error that is able to handle UnicodeDecodeErrors.");
2006-02-27 13:20:04 -04:00
static char *codeckwarglist[] = {"input", "errors", NULL};
static char *incnewkwarglist[] = {"errors", NULL};
static char *incrementalkwarglist[] = {"input", "final", NULL};
2006-02-27 13:20:04 -04:00
static char *streamkwarglist[] = {"stream", "errors", NULL};
static PyObject *multibytecodec_encode(MultibyteCodec *,
MultibyteCodec_State *, const Py_UNICODE **, Py_ssize_t,
PyObject *, int);
#define MBENC_RESET MBENC_MAX<<1 /* reset after an encoding session */
static PyObject *
make_tuple(PyObject *object, Py_ssize_t len)
{
PyObject *v, *w;
if (object == NULL)
return NULL;
v = PyTuple_New(2);
if (v == NULL) {
Py_DECREF(object);
return NULL;
}
PyTuple_SET_ITEM(v, 0, object);
w = PyLong_FromSsize_t(len);
if (w == NULL) {
Py_DECREF(v);
return NULL;
}
PyTuple_SET_ITEM(v, 1, w);
return v;
}
static PyObject *
internal_error_callback(const char *errors)
{
if (errors == NULL || strcmp(errors, "strict") == 0)
return ERROR_STRICT;
else if (strcmp(errors, "ignore") == 0)
return ERROR_IGNORE;
else if (strcmp(errors, "replace") == 0)
return ERROR_REPLACE;
else
return PyUnicode_FromString(errors);
}
static PyObject *
call_error_callback(PyObject *errors, PyObject *exc)
{
PyObject *args, *cb, *r;
const char *str;
assert(PyUnicode_Check(errors));
str = _PyUnicode_AsString(errors);
if (str == NULL)
return NULL;
cb = PyCodec_LookupError(str);
if (cb == NULL)
return NULL;
args = PyTuple_New(1);
if (args == NULL) {
Py_DECREF(cb);
return NULL;
}
PyTuple_SET_ITEM(args, 0, exc);
Py_INCREF(exc);
r = PyObject_CallObject(cb, args);
Py_DECREF(args);
Py_DECREF(cb);
return r;
}
static PyObject *
codecctx_errors_get(MultibyteStatefulCodecContext *self)
{
const char *errors;
if (self->errors == ERROR_STRICT)
errors = "strict";
else if (self->errors == ERROR_IGNORE)
errors = "ignore";
else if (self->errors == ERROR_REPLACE)
errors = "replace";
else {
Py_INCREF(self->errors);
return self->errors;
}
return PyUnicode_FromString(errors);
}
static int
codecctx_errors_set(MultibyteStatefulCodecContext *self, PyObject *value,
void *closure)
{
PyObject *cb;
const char *str;
if (!PyUnicode_Check(value)) {
PyErr_SetString(PyExc_TypeError, "errors must be a string");
return -1;
}
str = _PyUnicode_AsString(value);
if (str == NULL)
return -1;
cb = internal_error_callback(str);
if (cb == NULL)
return -1;
ERROR_DECREF(self->errors);
self->errors = cb;
return 0;
}
/* This getset handlers list is used by all the stateful codec objects */
static PyGetSetDef codecctx_getsets[] = {
{"errors", (getter)codecctx_errors_get,
(setter)codecctx_errors_set,
PyDoc_STR("how to treat errors")},
{NULL,}
};
static int
expand_encodebuffer(MultibyteEncodeBuffer *buf, Py_ssize_t esize)
{
Py_ssize_t orgpos, orgsize, incsize;
orgpos = (Py_ssize_t)((char *)buf->outbuf -
PyBytes_AS_STRING(buf->outobj));
orgsize = PyBytes_GET_SIZE(buf->outobj);
incsize = (esize < (orgsize >> 1) ? (orgsize >> 1) | 1 : esize);
if (orgsize > PY_SSIZE_T_MAX - incsize)
return -1;
if (_PyBytes_Resize(&buf->outobj, orgsize + incsize) == -1)
return -1;
buf->outbuf = (unsigned char *)PyBytes_AS_STRING(buf->outobj) +orgpos;
buf->outbuf_end = (unsigned char *)PyBytes_AS_STRING(buf->outobj)
+ PyBytes_GET_SIZE(buf->outobj);
return 0;
}
#define REQUIRE_ENCODEBUFFER(buf, s) { \
if ((s) < 1 || (buf)->outbuf + (s) > (buf)->outbuf_end) \
if (expand_encodebuffer(buf, s) == -1) \
goto errorexit; \
}
static int
expand_decodebuffer(MultibyteDecodeBuffer *buf, Py_ssize_t esize)
{
Py_ssize_t orgpos, orgsize;
orgpos = (Py_ssize_t)(buf->outbuf - PyUnicode_AS_UNICODE(buf->outobj));
orgsize = PyUnicode_GET_SIZE(buf->outobj);
if (PyUnicode_Resize(&buf->outobj, orgsize + (
esize < (orgsize >> 1) ? (orgsize >> 1) | 1 : esize)) == -1)
return -1;
buf->outbuf = PyUnicode_AS_UNICODE(buf->outobj) + orgpos;
buf->outbuf_end = PyUnicode_AS_UNICODE(buf->outobj)
+ PyUnicode_GET_SIZE(buf->outobj);
return 0;
}
#define REQUIRE_DECODEBUFFER(buf, s) { \
if ((s) < 1 || (buf)->outbuf + (s) > (buf)->outbuf_end) \
if (expand_decodebuffer(buf, s) == -1) \
goto errorexit; \
}
/**
* MultibyteCodec object
*/
static int
multibytecodec_encerror(MultibyteCodec *codec,
MultibyteCodec_State *state,
MultibyteEncodeBuffer *buf,
PyObject *errors, Py_ssize_t e)
{
PyObject *retobj = NULL, *retstr = NULL, *tobj;
Py_ssize_t retstrsize, newpos;
Py_ssize_t esize, start, end;
const char *reason;
if (e > 0) {
reason = "illegal multibyte sequence";
esize = e;
}
else {
switch (e) {
case MBERR_TOOSMALL:
REQUIRE_ENCODEBUFFER(buf, -1);
return 0; /* retry it */
case MBERR_TOOFEW:
reason = "incomplete multibyte sequence";
esize = (Py_ssize_t)(buf->inbuf_end - buf->inbuf);
break;
case MBERR_INTERNAL:
PyErr_SetString(PyExc_RuntimeError,
"internal codec error");
return -1;
default:
PyErr_SetString(PyExc_RuntimeError,
"unknown runtime error");
return -1;
}
}
if (errors == ERROR_REPLACE) {
const Py_UNICODE replchar = '?', *inbuf = &replchar;
Py_ssize_t r;
for (;;) {
Py_ssize_t outleft;
outleft = (Py_ssize_t)(buf->outbuf_end - buf->outbuf);
r = codec->encode(state, codec->config, &inbuf, 1,
&buf->outbuf, outleft, 0);
if (r == MBERR_TOOSMALL) {
REQUIRE_ENCODEBUFFER(buf, -1);
continue;
}
else
break;
}
if (r != 0) {
REQUIRE_ENCODEBUFFER(buf, 1);
*buf->outbuf++ = '?';
}
}
if (errors == ERROR_IGNORE || errors == ERROR_REPLACE) {
buf->inbuf += esize;
return 0;
}
start = (Py_ssize_t)(buf->inbuf - buf->inbuf_top);
end = start + esize;
/* use cached exception object if available */
if (buf->excobj == NULL) {
buf->excobj = PyUnicodeEncodeError_Create(codec->encoding,
buf->inbuf_top,
buf->inbuf_end - buf->inbuf_top,
start, end, reason);
if (buf->excobj == NULL)
goto errorexit;
}
else
if (PyUnicodeEncodeError_SetStart(buf->excobj, start) != 0 ||
PyUnicodeEncodeError_SetEnd(buf->excobj, end) != 0 ||
PyUnicodeEncodeError_SetReason(buf->excobj, reason) != 0)
goto errorexit;
if (errors == ERROR_STRICT) {
PyCodec_StrictErrors(buf->excobj);
goto errorexit;
}
retobj = call_error_callback(errors, buf->excobj);
if (retobj == NULL)
goto errorexit;
if (!PyTuple_Check(retobj) || PyTuple_GET_SIZE(retobj) != 2 ||
!PyUnicode_Check((tobj = PyTuple_GET_ITEM(retobj, 0))) ||
!PyLong_Check(PyTuple_GET_ITEM(retobj, 1))) {
PyErr_SetString(PyExc_TypeError,
"encoding error handler must return "
"(unicode, int) tuple");
goto errorexit;
}
{
const Py_UNICODE *uraw = PyUnicode_AS_UNICODE(tobj);
retstr = multibytecodec_encode(codec, state, &uraw,
PyUnicode_GET_SIZE(tobj), ERROR_STRICT,
MBENC_FLUSH);
if (retstr == NULL)
goto errorexit;
}
assert(PyBytes_Check(retstr));
retstrsize = PyBytes_GET_SIZE(retstr);
REQUIRE_ENCODEBUFFER(buf, retstrsize);
memcpy(buf->outbuf, PyBytes_AS_STRING(retstr), retstrsize);
buf->outbuf += retstrsize;
newpos = PyLong_AsSsize_t(PyTuple_GET_ITEM(retobj, 1));
if (newpos < 0 && !PyErr_Occurred())
newpos += (Py_ssize_t)(buf->inbuf_end - buf->inbuf_top);
if (newpos < 0 || buf->inbuf_top + newpos > buf->inbuf_end) {
PyErr_Clear();
PyErr_Format(PyExc_IndexError,
"position %zd from error handler out of bounds",
newpos);
goto errorexit;
}
buf->inbuf = buf->inbuf_top + newpos;
Py_DECREF(retobj);
Py_DECREF(retstr);
return 0;
errorexit:
Py_XDECREF(retobj);
Py_XDECREF(retstr);
return -1;
}
static int
multibytecodec_decerror(MultibyteCodec *codec,
MultibyteCodec_State *state,
MultibyteDecodeBuffer *buf,
PyObject *errors, Py_ssize_t e)
{
PyObject *retobj = NULL, *retuni = NULL;
Py_ssize_t retunisize, newpos;
const char *reason;
Py_ssize_t esize, start, end;
if (e > 0) {
reason = "illegal multibyte sequence";
esize = e;
}
else {
switch (e) {
case MBERR_TOOSMALL:
REQUIRE_DECODEBUFFER(buf, -1);
return 0; /* retry it */
case MBERR_TOOFEW:
reason = "incomplete multibyte sequence";
esize = (Py_ssize_t)(buf->inbuf_end - buf->inbuf);
break;
case MBERR_INTERNAL:
PyErr_SetString(PyExc_RuntimeError,
"internal codec error");
return -1;
default:
PyErr_SetString(PyExc_RuntimeError,
"unknown runtime error");
return -1;
}
}
if (errors == ERROR_REPLACE) {
REQUIRE_DECODEBUFFER(buf, 1);
*buf->outbuf++ = Py_UNICODE_REPLACEMENT_CHARACTER;
}
if (errors == ERROR_IGNORE || errors == ERROR_REPLACE) {
buf->inbuf += esize;
return 0;
}
start = (Py_ssize_t)(buf->inbuf - buf->inbuf_top);
end = start + esize;
/* use cached exception object if available */
if (buf->excobj == NULL) {
buf->excobj = PyUnicodeDecodeError_Create(codec->encoding,
(const char *)buf->inbuf_top,
(Py_ssize_t)(buf->inbuf_end - buf->inbuf_top),
start, end, reason);
if (buf->excobj == NULL)
goto errorexit;
}
else
if (PyUnicodeDecodeError_SetStart(buf->excobj, start) ||
PyUnicodeDecodeError_SetEnd(buf->excobj, end) ||
PyUnicodeDecodeError_SetReason(buf->excobj, reason))
goto errorexit;
if (errors == ERROR_STRICT) {
PyCodec_StrictErrors(buf->excobj);
goto errorexit;
}
retobj = call_error_callback(errors, buf->excobj);
if (retobj == NULL)
goto errorexit;
if (!PyTuple_Check(retobj) || PyTuple_GET_SIZE(retobj) != 2 ||
!PyUnicode_Check((retuni = PyTuple_GET_ITEM(retobj, 0))) ||
!PyLong_Check(PyTuple_GET_ITEM(retobj, 1))) {
PyErr_SetString(PyExc_TypeError,
"decoding error handler must return "
"(unicode, int) tuple");
goto errorexit;
}
retunisize = PyUnicode_GET_SIZE(retuni);
if (retunisize > 0) {
REQUIRE_DECODEBUFFER(buf, retunisize);
memcpy((char *)buf->outbuf, PyUnicode_AS_DATA(retuni),
retunisize * Py_UNICODE_SIZE);
buf->outbuf += retunisize;
}
newpos = PyLong_AsSsize_t(PyTuple_GET_ITEM(retobj, 1));
if (newpos < 0 && !PyErr_Occurred())
newpos += (Py_ssize_t)(buf->inbuf_end - buf->inbuf_top);
if (newpos < 0 || buf->inbuf_top + newpos > buf->inbuf_end) {
PyErr_Clear();
PyErr_Format(PyExc_IndexError,
"position %zd from error handler out of bounds",
newpos);
goto errorexit;
}
buf->inbuf = buf->inbuf_top + newpos;
Py_DECREF(retobj);
return 0;
errorexit:
Py_XDECREF(retobj);
return -1;
}
static PyObject *
multibytecodec_encode(MultibyteCodec *codec,
MultibyteCodec_State *state,
const Py_UNICODE **data, Py_ssize_t datalen,
PyObject *errors, int flags)
{
MultibyteEncodeBuffer buf;
Py_ssize_t finalsize, r = 0;
if (datalen == 0)
return PyBytes_FromStringAndSize(NULL, 0);
buf.excobj = NULL;
buf.outobj = NULL;
buf.inbuf = buf.inbuf_top = *data;
buf.inbuf_end = buf.inbuf_top + datalen;
if (datalen > (PY_SSIZE_T_MAX - 16) / 2) {
PyErr_NoMemory();
goto errorexit;
}
buf.outobj = PyBytes_FromStringAndSize(NULL, datalen * 2 + 16);
if (buf.outobj == NULL)
goto errorexit;
buf.outbuf = (unsigned char *)PyBytes_AS_STRING(buf.outobj);
buf.outbuf_end = buf.outbuf + PyBytes_GET_SIZE(buf.outobj);
while (buf.inbuf < buf.inbuf_end) {
Py_ssize_t inleft, outleft;
/* we don't reuse inleft and outleft here.
* error callbacks can relocate the cursor anywhere on buffer*/
inleft = (Py_ssize_t)(buf.inbuf_end - buf.inbuf);
outleft = (Py_ssize_t)(buf.outbuf_end - buf.outbuf);
r = codec->encode(state, codec->config, &buf.inbuf, inleft,
&buf.outbuf, outleft, flags);
if ((r == 0) || (r == MBERR_TOOFEW && !(flags & MBENC_FLUSH)))
break;
else if (multibytecodec_encerror(codec, state, &buf, errors,r))
goto errorexit;
else if (r == MBERR_TOOFEW)
break;
}
if (codec->encreset != NULL)
for (;;) {
Py_ssize_t outleft;
outleft = (Py_ssize_t)(buf.outbuf_end - buf.outbuf);
r = codec->encreset(state, codec->config, &buf.outbuf,
outleft);
if (r == 0)
break;
else if (multibytecodec_encerror(codec, state,
&buf, errors, r))
goto errorexit;
}
finalsize = (Py_ssize_t)((char *)buf.outbuf -
PyBytes_AS_STRING(buf.outobj));
if (finalsize != PyBytes_GET_SIZE(buf.outobj))
if (_PyBytes_Resize(&buf.outobj, finalsize) == -1)
goto errorexit;
*data = buf.inbuf;
Py_XDECREF(buf.excobj);
return buf.outobj;
errorexit:
Py_XDECREF(buf.excobj);
Py_XDECREF(buf.outobj);
return NULL;
}
static PyObject *
MultibyteCodec_Encode(MultibyteCodecObject *self,
PyObject *args, PyObject *kwargs)
{
MultibyteCodec_State state;
Py_UNICODE *data;
PyObject *errorcb, *r, *arg, *ucvt;
const char *errors = NULL;
Py_ssize_t datalen;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|z:encode",
codeckwarglist, &arg, &errors))
return NULL;
if (PyUnicode_Check(arg))
ucvt = NULL;
else {
arg = ucvt = PyObject_Str(arg);
if (arg == NULL)
return NULL;
else if (!PyUnicode_Check(arg)) {
PyErr_SetString(PyExc_TypeError,
"couldn't convert the object to unicode.");
Py_DECREF(ucvt);
return NULL;
}
}
data = PyUnicode_AS_UNICODE(arg);
datalen = PyUnicode_GET_SIZE(arg);
errorcb = internal_error_callback(errors);
if (errorcb == NULL) {
Py_XDECREF(ucvt);
return NULL;
}
if (self->codec->encinit != NULL &&
self->codec->encinit(&state, self->codec->config) != 0)
goto errorexit;
r = multibytecodec_encode(self->codec, &state,
(const Py_UNICODE **)&data, datalen, errorcb,
MBENC_FLUSH | MBENC_RESET);
if (r == NULL)
goto errorexit;
ERROR_DECREF(errorcb);
Py_XDECREF(ucvt);
return make_tuple(r, datalen);
errorexit:
ERROR_DECREF(errorcb);
Py_XDECREF(ucvt);
return NULL;
}
static PyObject *
MultibyteCodec_Decode(MultibyteCodecObject *self,
PyObject *args, PyObject *kwargs)
{
MultibyteCodec_State state;
MultibyteDecodeBuffer buf;
PyObject *errorcb;
Py_buffer pdata;
const char *data, *errors = NULL;
Py_ssize_t datalen, finalsize;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "y*|z:decode",
codeckwarglist, &pdata, &errors))
return NULL;
data = pdata.buf;
datalen = pdata.len;
errorcb = internal_error_callback(errors);
if (errorcb == NULL) {
PyBuffer_Release(&pdata);
return NULL;
}
if (datalen == 0) {
PyBuffer_Release(&pdata);
ERROR_DECREF(errorcb);
return make_tuple(PyUnicode_FromUnicode(NULL, 0), 0);
}
buf.excobj = NULL;
buf.inbuf = buf.inbuf_top = (unsigned char *)data;
buf.inbuf_end = buf.inbuf_top + datalen;
buf.outobj = PyUnicode_FromUnicode(NULL, datalen);
if (buf.outobj == NULL)
goto errorexit;
buf.outbuf = PyUnicode_AS_UNICODE(buf.outobj);
buf.outbuf_end = buf.outbuf + PyUnicode_GET_SIZE(buf.outobj);
if (self->codec->decinit != NULL &&
self->codec->decinit(&state, self->codec->config) != 0)
goto errorexit;
while (buf.inbuf < buf.inbuf_end) {
Py_ssize_t inleft, outleft, r;
inleft = (Py_ssize_t)(buf.inbuf_end - buf.inbuf);
outleft = (Py_ssize_t)(buf.outbuf_end - buf.outbuf);
r = self->codec->decode(&state, self->codec->config,
&buf.inbuf, inleft, &buf.outbuf, outleft);
if (r == 0)
break;
else if (multibytecodec_decerror(self->codec, &state,
&buf, errorcb, r))
goto errorexit;
}
finalsize = (Py_ssize_t)(buf.outbuf -
PyUnicode_AS_UNICODE(buf.outobj));
if (finalsize != PyUnicode_GET_SIZE(buf.outobj))
if (PyUnicode_Resize(&buf.outobj, finalsize) == -1)
goto errorexit;
PyBuffer_Release(&pdata);
Py_XDECREF(buf.excobj);
ERROR_DECREF(errorcb);
return make_tuple(buf.outobj, datalen);
errorexit:
PyBuffer_Release(&pdata);
ERROR_DECREF(errorcb);
Py_XDECREF(buf.excobj);
Py_XDECREF(buf.outobj);
return NULL;
}
static struct PyMethodDef multibytecodec_methods[] = {
{"encode", (PyCFunction)MultibyteCodec_Encode,
METH_VARARGS | METH_KEYWORDS,
MultibyteCodec_Encode__doc__},
{"decode", (PyCFunction)MultibyteCodec_Decode,
METH_VARARGS | METH_KEYWORDS,
MultibyteCodec_Decode__doc__},
{NULL, NULL},
};
static void
multibytecodec_dealloc(MultibyteCodecObject *self)
{
PyObject_Del(self);
}
static PyTypeObject MultibyteCodec_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"MultibyteCodec", /* tp_name */
sizeof(MultibyteCodecObject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)multibytecodec_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
0, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iterext */
multibytecodec_methods, /* tp_methods */
};
/**
* Utility functions for stateful codec mechanism
*/
#define STATEFUL_DCTX(o) ((MultibyteStatefulDecoderContext *)(o))
#define STATEFUL_ECTX(o) ((MultibyteStatefulEncoderContext *)(o))
static PyObject *
encoder_encode_stateful(MultibyteStatefulEncoderContext *ctx,
PyObject *unistr, int final)
{
PyObject *ucvt, *r = NULL;
Py_UNICODE *inbuf, *inbuf_end, *inbuf_tmp = NULL;
Py_ssize_t datalen, origpending;
if (PyUnicode_Check(unistr))
ucvt = NULL;
else {
unistr = ucvt = PyObject_Str(unistr);
if (unistr == NULL)
return NULL;
else if (!PyUnicode_Check(unistr)) {
PyErr_SetString(PyExc_TypeError,
"couldn't convert the object to unicode.");
Py_DECREF(ucvt);
return NULL;
}
}
datalen = PyUnicode_GET_SIZE(unistr);
origpending = ctx->pendingsize;
if (origpending > 0) {
if (datalen > PY_SSIZE_T_MAX - ctx->pendingsize) {
PyErr_NoMemory();
/* inbuf_tmp == NULL */
goto errorexit;
}
inbuf_tmp = PyMem_New(Py_UNICODE, datalen + ctx->pendingsize);
if (inbuf_tmp == NULL)
goto errorexit;
memcpy(inbuf_tmp, ctx->pending,
Py_UNICODE_SIZE * ctx->pendingsize);
memcpy(inbuf_tmp + ctx->pendingsize,
PyUnicode_AS_UNICODE(unistr),
Py_UNICODE_SIZE * datalen);
datalen += ctx->pendingsize;
ctx->pendingsize = 0;
inbuf = inbuf_tmp;
}
else
inbuf = (Py_UNICODE *)PyUnicode_AS_UNICODE(unistr);
inbuf_end = inbuf + datalen;
r = multibytecodec_encode(ctx->codec, &ctx->state,
(const Py_UNICODE **)&inbuf,
datalen, ctx->errors, final ? MBENC_FLUSH : 0);
if (r == NULL) {
/* recover the original pending buffer */
if (origpending > 0)
memcpy(ctx->pending, inbuf_tmp,
Py_UNICODE_SIZE * origpending);
ctx->pendingsize = origpending;
goto errorexit;
}
if (inbuf < inbuf_end) {
ctx->pendingsize = (Py_ssize_t)(inbuf_end - inbuf);
if (ctx->pendingsize > MAXENCPENDING) {
/* normal codecs can't reach here */
ctx->pendingsize = 0;
PyErr_SetString(PyExc_UnicodeError,
"pending buffer overflow");
goto errorexit;
}
memcpy(ctx->pending, inbuf,
ctx->pendingsize * Py_UNICODE_SIZE);
}
if (inbuf_tmp != NULL)
PyMem_Del(inbuf_tmp);
Py_XDECREF(ucvt);
return r;
errorexit:
if (inbuf_tmp != NULL)
PyMem_Del(inbuf_tmp);
Py_XDECREF(r);
Py_XDECREF(ucvt);
return NULL;
}
static int
decoder_append_pending(MultibyteStatefulDecoderContext *ctx,
MultibyteDecodeBuffer *buf)
{
Py_ssize_t npendings;
npendings = (Py_ssize_t)(buf->inbuf_end - buf->inbuf);
if (npendings + ctx->pendingsize > MAXDECPENDING ||
npendings > PY_SSIZE_T_MAX - ctx->pendingsize) {
PyErr_SetString(PyExc_UnicodeError, "pending buffer overflow");
return -1;
}
memcpy(ctx->pending + ctx->pendingsize, buf->inbuf, npendings);
ctx->pendingsize += npendings;
return 0;
}
static int
decoder_prepare_buffer(MultibyteDecodeBuffer *buf, const char *data,
Py_ssize_t size)
{
buf->inbuf = buf->inbuf_top = (const unsigned char *)data;
buf->inbuf_end = buf->inbuf_top + size;
if (buf->outobj == NULL) { /* only if outobj is not allocated yet */
buf->outobj = PyUnicode_FromUnicode(NULL, size);
if (buf->outobj == NULL)
return -1;
buf->outbuf = PyUnicode_AS_UNICODE(buf->outobj);
buf->outbuf_end = buf->outbuf +
PyUnicode_GET_SIZE(buf->outobj);
}
return 0;
}
static int
decoder_feed_buffer(MultibyteStatefulDecoderContext *ctx,
MultibyteDecodeBuffer *buf)
{
while (buf->inbuf < buf->inbuf_end) {
Py_ssize_t inleft, outleft;
Py_ssize_t r;
inleft = (Py_ssize_t)(buf->inbuf_end - buf->inbuf);
outleft = (Py_ssize_t)(buf->outbuf_end - buf->outbuf);
r = ctx->codec->decode(&ctx->state, ctx->codec->config,
&buf->inbuf, inleft, &buf->outbuf, outleft);
if (r == 0 || r == MBERR_TOOFEW)
break;
else if (multibytecodec_decerror(ctx->codec, &ctx->state,
buf, ctx->errors, r))
return -1;
}
return 0;
}
/**
* MultibyteIncrementalEncoder object
*/
static PyObject *
mbiencoder_encode(MultibyteIncrementalEncoderObject *self,
PyObject *args, PyObject *kwargs)
{
PyObject *data;
int final = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O|i:encode",
incrementalkwarglist, &data, &final))
return NULL;
return encoder_encode_stateful(STATEFUL_ECTX(self), data, final);
}
static PyObject *
mbiencoder_reset(MultibyteIncrementalEncoderObject *self)
{
if (self->codec->decreset != NULL &&
self->codec->decreset(&self->state, self->codec->config) != 0)
return NULL;
self->pendingsize = 0;
Py_RETURN_NONE;
}
static struct PyMethodDef mbiencoder_methods[] = {
{"encode", (PyCFunction)mbiencoder_encode,
METH_VARARGS | METH_KEYWORDS, NULL},
{"reset", (PyCFunction)mbiencoder_reset,
METH_NOARGS, NULL},
{NULL, NULL},
};
static PyObject *
mbiencoder_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
MultibyteIncrementalEncoderObject *self;
PyObject *codec = NULL;
char *errors = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|s:IncrementalEncoder",
incnewkwarglist, &errors))
return NULL;
self = (MultibyteIncrementalEncoderObject *)type->tp_alloc(type, 0);
if (self == NULL)
return NULL;
codec = PyObject_GetAttrString((PyObject *)type, "codec");
if (codec == NULL)
goto errorexit;
if (!MultibyteCodec_Check(codec)) {
PyErr_SetString(PyExc_TypeError, "codec is unexpected type");
goto errorexit;
}
self->codec = ((MultibyteCodecObject *)codec)->codec;
self->pendingsize = 0;
self->errors = internal_error_callback(errors);
if (self->errors == NULL)
goto errorexit;
if (self->codec->encinit != NULL &&
self->codec->encinit(&self->state, self->codec->config) != 0)
goto errorexit;
Py_DECREF(codec);
return (PyObject *)self;
errorexit:
Py_XDECREF(self);
Py_XDECREF(codec);
return NULL;
}
static int
mbiencoder_init(PyObject *self, PyObject *args, PyObject *kwds)
{
return 0;
}
static int
mbiencoder_traverse(MultibyteIncrementalEncoderObject *self,
visitproc visit, void *arg)
{
if (ERROR_ISCUSTOM(self->errors))
Py_VISIT(self->errors);
return 0;
}
static void
mbiencoder_dealloc(MultibyteIncrementalEncoderObject *self)
{
PyObject_GC_UnTrack(self);
ERROR_DECREF(self->errors);
Py_TYPE(self)->tp_free(self);
}
static PyTypeObject MultibyteIncrementalEncoder_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"MultibyteIncrementalEncoder", /* tp_name */
sizeof(MultibyteIncrementalEncoderObject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)mbiencoder_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC
| Py_TPFLAGS_BASETYPE, /* tp_flags */
0, /* tp_doc */
(traverseproc)mbiencoder_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iterext */
mbiencoder_methods, /* tp_methods */
0, /* tp_members */
codecctx_getsets, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
mbiencoder_init, /* tp_init */
0, /* tp_alloc */
mbiencoder_new, /* tp_new */
};
/**
* MultibyteIncrementalDecoder object
*/
static PyObject *
mbidecoder_decode(MultibyteIncrementalDecoderObject *self,
PyObject *args, PyObject *kwargs)
{
MultibyteDecodeBuffer buf;
char *data, *wdata = NULL;
Py_buffer pdata;
Py_ssize_t wsize, finalsize = 0, size, origpending;
int final = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "y*|i:decode",
incrementalkwarglist, &pdata, &final))
return NULL;
data = pdata.buf;
size = pdata.len;
buf.outobj = buf.excobj = NULL;
origpending = self->pendingsize;
if (self->pendingsize == 0) {
wsize = size;
wdata = data;
}
else {
if (size > PY_SSIZE_T_MAX - self->pendingsize) {
PyErr_NoMemory();
goto errorexit;
}
wsize = size + self->pendingsize;
wdata = PyMem_Malloc(wsize);
if (wdata == NULL)
goto errorexit;
memcpy(wdata, self->pending, self->pendingsize);
memcpy(wdata + self->pendingsize, data, size);
self->pendingsize = 0;
}
if (decoder_prepare_buffer(&buf, wdata, wsize) != 0)
goto errorexit;
if (decoder_feed_buffer(STATEFUL_DCTX(self), &buf))
goto errorexit;
if (final && buf.inbuf < buf.inbuf_end) {
if (multibytecodec_decerror(self->codec, &self->state,
&buf, self->errors, MBERR_TOOFEW)) {
/* recover the original pending buffer */
memcpy(self->pending, wdata, origpending);
self->pendingsize = origpending;
goto errorexit;
}
}
if (buf.inbuf < buf.inbuf_end) { /* pending sequence still exists */
if (decoder_append_pending(STATEFUL_DCTX(self), &buf) != 0)
goto errorexit;
}
finalsize = (Py_ssize_t)(buf.outbuf - PyUnicode_AS_UNICODE(buf.outobj));
if (finalsize != PyUnicode_GET_SIZE(buf.outobj))
if (PyUnicode_Resize(&buf.outobj, finalsize) == -1)
goto errorexit;
PyBuffer_Release(&pdata);
if (wdata != data)
PyMem_Del(wdata);
Py_XDECREF(buf.excobj);
return buf.outobj;
errorexit:
PyBuffer_Release(&pdata);
if (wdata != NULL && wdata != data)
PyMem_Del(wdata);
Py_XDECREF(buf.excobj);
Py_XDECREF(buf.outobj);
return NULL;
}
static PyObject *
mbidecoder_reset(MultibyteIncrementalDecoderObject *self)
{
if (self->codec->decreset != NULL &&
self->codec->decreset(&self->state, self->codec->config) != 0)
return NULL;
self->pendingsize = 0;
Py_RETURN_NONE;
}
static struct PyMethodDef mbidecoder_methods[] = {
{"decode", (PyCFunction)mbidecoder_decode,
METH_VARARGS | METH_KEYWORDS, NULL},
{"reset", (PyCFunction)mbidecoder_reset,
METH_NOARGS, NULL},
{NULL, NULL},
};
static PyObject *
mbidecoder_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
MultibyteIncrementalDecoderObject *self;
PyObject *codec = NULL;
char *errors = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|s:IncrementalDecoder",
incnewkwarglist, &errors))
return NULL;
self = (MultibyteIncrementalDecoderObject *)type->tp_alloc(type, 0);
if (self == NULL)
return NULL;
codec = PyObject_GetAttrString((PyObject *)type, "codec");
if (codec == NULL)
goto errorexit;
if (!MultibyteCodec_Check(codec)) {
PyErr_SetString(PyExc_TypeError, "codec is unexpected type");
goto errorexit;
}
self->codec = ((MultibyteCodecObject *)codec)->codec;
self->pendingsize = 0;
self->errors = internal_error_callback(errors);
if (self->errors == NULL)
goto errorexit;
if (self->codec->decinit != NULL &&
self->codec->decinit(&self->state, self->codec->config) != 0)
goto errorexit;
Py_DECREF(codec);
return (PyObject *)self;
errorexit:
Py_XDECREF(self);
Py_XDECREF(codec);
return NULL;
}
static int
mbidecoder_init(PyObject *self, PyObject *args, PyObject *kwds)
{
return 0;
}
static int
mbidecoder_traverse(MultibyteIncrementalDecoderObject *self,
visitproc visit, void *arg)
{
if (ERROR_ISCUSTOM(self->errors))
Py_VISIT(self->errors);
return 0;
}
static void
mbidecoder_dealloc(MultibyteIncrementalDecoderObject *self)
{
PyObject_GC_UnTrack(self);
ERROR_DECREF(self->errors);
Py_TYPE(self)->tp_free(self);
}
static PyTypeObject MultibyteIncrementalDecoder_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"MultibyteIncrementalDecoder", /* tp_name */
sizeof(MultibyteIncrementalDecoderObject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)mbidecoder_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC
| Py_TPFLAGS_BASETYPE, /* tp_flags */
0, /* tp_doc */
(traverseproc)mbidecoder_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iterext */
mbidecoder_methods, /* tp_methods */
0, /* tp_members */
codecctx_getsets, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
mbidecoder_init, /* tp_init */
0, /* tp_alloc */
mbidecoder_new, /* tp_new */
};
/**
* MultibyteStreamReader object
*/
static PyObject *
mbstreamreader_iread(MultibyteStreamReaderObject *self,
const char *method, Py_ssize_t sizehint)
{
MultibyteDecodeBuffer buf;
PyObject *cres;
Py_ssize_t rsize, finalsize = 0;
if (sizehint == 0)
return PyUnicode_FromUnicode(NULL, 0);
buf.outobj = buf.excobj = NULL;
cres = NULL;
for (;;) {
int endoffile;
if (sizehint < 0)
cres = PyObject_CallMethod(self->stream,
(char *)method, NULL);
else
cres = PyObject_CallMethod(self->stream,
(char *)method, "i", sizehint);
if (cres == NULL)
goto errorexit;
if (!PyBytes_Check(cres)) {
PyErr_Format(PyExc_TypeError,
"stream function returned a "
"non-bytes object (%.100s)",
cres->ob_type->tp_name);
goto errorexit;
}
endoffile = (PyBytes_GET_SIZE(cres) == 0);
if (self->pendingsize > 0) {
PyObject *ctr;
char *ctrdata;
if (PyBytes_GET_SIZE(cres) > PY_SSIZE_T_MAX - self->pendingsize) {
PyErr_NoMemory();
goto errorexit;
}
rsize = PyBytes_GET_SIZE(cres) + self->pendingsize;
ctr = PyBytes_FromStringAndSize(NULL, rsize);
if (ctr == NULL)
goto errorexit;
ctrdata = PyBytes_AS_STRING(ctr);
memcpy(ctrdata, self->pending, self->pendingsize);
memcpy(ctrdata + self->pendingsize,
PyBytes_AS_STRING(cres),
PyBytes_GET_SIZE(cres));
Py_DECREF(cres);
cres = ctr;
self->pendingsize = 0;
}
rsize = PyBytes_GET_SIZE(cres);
if (decoder_prepare_buffer(&buf, PyBytes_AS_STRING(cres),
rsize) != 0)
goto errorexit;
if (rsize > 0 && decoder_feed_buffer(
(MultibyteStatefulDecoderContext *)self, &buf))
goto errorexit;
if (endoffile || sizehint < 0) {
if (buf.inbuf < buf.inbuf_end &&
multibytecodec_decerror(self->codec, &self->state,
&buf, self->errors, MBERR_TOOFEW))
goto errorexit;
}
if (buf.inbuf < buf.inbuf_end) { /* pending sequence exists */
if (decoder_append_pending(STATEFUL_DCTX(self),
&buf) != 0)
goto errorexit;
}
finalsize = (Py_ssize_t)(buf.outbuf -
PyUnicode_AS_UNICODE(buf.outobj));
Py_DECREF(cres);
cres = NULL;
if (sizehint < 0 || finalsize != 0 || rsize == 0)
break;
sizehint = 1; /* read 1 more byte and retry */
}
if (finalsize != PyUnicode_GET_SIZE(buf.outobj))
if (PyUnicode_Resize(&buf.outobj, finalsize) == -1)
goto errorexit;
Py_XDECREF(cres);
Py_XDECREF(buf.excobj);
return buf.outobj;
errorexit:
Py_XDECREF(cres);
Py_XDECREF(buf.excobj);
Py_XDECREF(buf.outobj);
return NULL;
}
static PyObject *
mbstreamreader_read(MultibyteStreamReaderObject *self, PyObject *args)
{
PyObject *sizeobj = NULL;
Py_ssize_t size;
if (!PyArg_UnpackTuple(args, "read", 0, 1, &sizeobj))
return NULL;
if (sizeobj == Py_None || sizeobj == NULL)
size = -1;
else if (PyLong_Check(sizeobj))
size = PyLong_AsSsize_t(sizeobj);
else {
PyErr_SetString(PyExc_TypeError, "arg 1 must be an integer");
return NULL;
}
if (size == -1 && PyErr_Occurred())
return NULL;
return mbstreamreader_iread(self, "read", size);
}
static PyObject *
mbstreamreader_readline(MultibyteStreamReaderObject *self, PyObject *args)
{
PyObject *sizeobj = NULL;
Py_ssize_t size;
if (!PyArg_UnpackTuple(args, "readline", 0, 1, &sizeobj))
return NULL;
if (sizeobj == Py_None || sizeobj == NULL)
size = -1;
else if (PyLong_Check(sizeobj))
size = PyLong_AsSsize_t(sizeobj);
else {
PyErr_SetString(PyExc_TypeError, "arg 1 must be an integer");
return NULL;
}
if (size == -1 && PyErr_Occurred())
return NULL;
return mbstreamreader_iread(self, "readline", size);
}
static PyObject *
mbstreamreader_readlines(MultibyteStreamReaderObject *self, PyObject *args)
{
PyObject *sizehintobj = NULL, *r, *sr;
Py_ssize_t sizehint;
if (!PyArg_UnpackTuple(args, "readlines", 0, 1, &sizehintobj))
return NULL;
if (sizehintobj == Py_None || sizehintobj == NULL)
sizehint = -1;
else if (PyLong_Check(sizehintobj))
sizehint = PyLong_AsSsize_t(sizehintobj);
else {
PyErr_SetString(PyExc_TypeError, "arg 1 must be an integer");
return NULL;
}
if (sizehint == -1 && PyErr_Occurred())
return NULL;
r = mbstreamreader_iread(self, "read", sizehint);
if (r == NULL)
return NULL;
sr = PyUnicode_Splitlines(r, 1);
Py_DECREF(r);
return sr;
}
static PyObject *
mbstreamreader_reset(MultibyteStreamReaderObject *self)
{
if (self->codec->decreset != NULL &&
self->codec->decreset(&self->state, self->codec->config) != 0)
return NULL;
self->pendingsize = 0;
Py_RETURN_NONE;
}
static struct PyMethodDef mbstreamreader_methods[] = {
{"read", (PyCFunction)mbstreamreader_read,
METH_VARARGS, NULL},
{"readline", (PyCFunction)mbstreamreader_readline,
METH_VARARGS, NULL},
{"readlines", (PyCFunction)mbstreamreader_readlines,
METH_VARARGS, NULL},
{"reset", (PyCFunction)mbstreamreader_reset,
METH_NOARGS, NULL},
{NULL, NULL},
};
static PyMemberDef mbstreamreader_members[] = {
{"stream", T_OBJECT,
offsetof(MultibyteStreamReaderObject, stream),
READONLY, NULL},
{NULL,}
};
static PyObject *
mbstreamreader_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
MultibyteStreamReaderObject *self;
PyObject *stream, *codec = NULL;
char *errors = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|s:StreamReader",
streamkwarglist, &stream, &errors))
return NULL;
self = (MultibyteStreamReaderObject *)type->tp_alloc(type, 0);
if (self == NULL)
return NULL;
codec = PyObject_GetAttrString((PyObject *)type, "codec");
if (codec == NULL)
goto errorexit;
if (!MultibyteCodec_Check(codec)) {
PyErr_SetString(PyExc_TypeError, "codec is unexpected type");
goto errorexit;
}
self->codec = ((MultibyteCodecObject *)codec)->codec;
self->stream = stream;
Py_INCREF(stream);
self->pendingsize = 0;
self->errors = internal_error_callback(errors);
if (self->errors == NULL)
goto errorexit;
if (self->codec->decinit != NULL &&
self->codec->decinit(&self->state, self->codec->config) != 0)
goto errorexit;
Py_DECREF(codec);
return (PyObject *)self;
errorexit:
Py_XDECREF(self);
Py_XDECREF(codec);
return NULL;
}
static int
mbstreamreader_init(PyObject *self, PyObject *args, PyObject *kwds)
{
return 0;
}
static int
mbstreamreader_traverse(MultibyteStreamReaderObject *self,
visitproc visit, void *arg)
{
if (ERROR_ISCUSTOM(self->errors))
Py_VISIT(self->errors);
Py_VISIT(self->stream);
return 0;
}
static void
mbstreamreader_dealloc(MultibyteStreamReaderObject *self)
{
PyObject_GC_UnTrack(self);
ERROR_DECREF(self->errors);
Py_XDECREF(self->stream);
Py_TYPE(self)->tp_free(self);
}
static PyTypeObject MultibyteStreamReader_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"MultibyteStreamReader", /* tp_name */
sizeof(MultibyteStreamReaderObject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)mbstreamreader_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC
| Py_TPFLAGS_BASETYPE, /* tp_flags */
0, /* tp_doc */
(traverseproc)mbstreamreader_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iterext */
mbstreamreader_methods, /* tp_methods */
mbstreamreader_members, /* tp_members */
codecctx_getsets, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
mbstreamreader_init, /* tp_init */
0, /* tp_alloc */
mbstreamreader_new, /* tp_new */
};
/**
* MultibyteStreamWriter object
*/
static int
mbstreamwriter_iwrite(MultibyteStreamWriterObject *self,
PyObject *unistr)
{
PyObject *str, *wr;
str = encoder_encode_stateful(STATEFUL_ECTX(self), unistr, 0);
if (str == NULL)
return -1;
wr = PyObject_CallMethod(self->stream, "write", "O", str);
Py_DECREF(str);
if (wr == NULL)
return -1;
Py_DECREF(wr);
return 0;
}
static PyObject *
Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn merge in bad ways, so I'll have to merge that extra-carefully (probably manually.) Merged revisions 46495-46605 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r46495 | tim.peters | 2006-05-28 03:52:38 +0200 (Sun, 28 May 2006) | 2 lines Added missing svn:eol-style property to text files. ........ r46497 | tim.peters | 2006-05-28 12:41:29 +0200 (Sun, 28 May 2006) | 3 lines PyErr_Display(), PyErr_WriteUnraisable(): Coverity found a cut-and-paste bug in both: `className` was referenced before being checked for NULL. ........ r46499 | fredrik.lundh | 2006-05-28 14:06:46 +0200 (Sun, 28 May 2006) | 5 lines needforspeed: added Py_MEMCPY macro (currently tuned for Visual C only), and use it for string copy operations. this gives a 20% speedup on some string benchmarks. ........ r46501 | michael.hudson | 2006-05-28 17:51:40 +0200 (Sun, 28 May 2006) | 26 lines Quality control, meet exceptions.c. Fix a number of problems with the need for speed code: One is doing this sort of thing: Py_DECREF(self->field); self->field = newval; Py_INCREF(self->field); without being very sure that self->field doesn't start with a value that has a __del__, because that almost certainly can lead to segfaults. As self->args is constrained to be an exact tuple we may as well exploit this fact consistently. This leads to quite a lot of simplification (and, hey, probably better performance). Add some error checking in places lacking it. Fix some rather strange indentation in the Unicode code. Delete some trailing whitespace. More to come, I haven't fixed all the reference leaks yet... ........ r46502 | george.yoshida | 2006-05-28 18:39:09 +0200 (Sun, 28 May 2006) | 3 lines Patch #1080727: add "encoding" parameter to doctest.DocFileSuite Contributed by Bjorn Tillenius. ........ r46503 | martin.v.loewis | 2006-05-28 18:57:38 +0200 (Sun, 28 May 2006) | 4 lines Rest of patch #1490384: Commit icon source, remove claim that Erik von Blokland is the author of the installer picture. ........ r46504 | michael.hudson | 2006-05-28 19:40:29 +0200 (Sun, 28 May 2006) | 16 lines Quality control, meet exceptions.c, round two. Make some functions that should have been static static. Fix a bunch of refleaks by fixing the definition of MiddlingExtendsException. Remove all the __new__ implementations apart from BaseException_new. Rewrite most code that needs it to cope with NULL fields (such code could get excercised anyway, the __new__-removal just makes it more likely). This involved editing the code for WindowsError, which I can't test. This fixes all the refleaks in at least the start of a regrtest -R :: run. ........ r46505 | marc-andre.lemburg | 2006-05-28 19:46:58 +0200 (Sun, 28 May 2006) | 10 lines Initial version of systimes - a module to provide platform dependent performance measurements. The module is currently just a proof-of-concept implementation, but will integrated into pybench once it is stable enough. License: pybench license. Author: Marc-Andre Lemburg. ........ r46507 | armin.rigo | 2006-05-28 21:13:17 +0200 (Sun, 28 May 2006) | 15 lines ("Forward-port" of r46506) Remove various dependencies on dictionary order in the standard library tests, and one (clearly an oversight, potentially critical) in the standard library itself - base64.py. Remaining open issues: * test_extcall is an output test, messy to make robust * tarfile.py has a potential bug here, but I'm not familiar enough with this code. Filed in as SF bug #1496501. * urllib2.HTTPPasswordMgr() returns a random result if there is more than one matching root path. I'm asking python-dev for clarification... ........ r46508 | georg.brandl | 2006-05-28 22:11:45 +0200 (Sun, 28 May 2006) | 4 lines The empty string is a valid import path. (fixes #1496539) ........ r46509 | georg.brandl | 2006-05-28 22:23:12 +0200 (Sun, 28 May 2006) | 3 lines Patch #1496206: urllib2 PasswordMgr ./. default ports ........ r46510 | georg.brandl | 2006-05-28 22:57:09 +0200 (Sun, 28 May 2006) | 3 lines Fix refleaks in UnicodeError get and set methods. ........ r46511 | michael.hudson | 2006-05-28 23:19:03 +0200 (Sun, 28 May 2006) | 3 lines use the UnicodeError traversal and clearing functions in UnicodeError subclasses. ........ r46512 | thomas.wouters | 2006-05-28 23:32:12 +0200 (Sun, 28 May 2006) | 4 lines Make last patch valid C89 so Windows compilers can deal with it. ........ r46513 | georg.brandl | 2006-05-28 23:42:54 +0200 (Sun, 28 May 2006) | 3 lines Fix ref-antileak in _struct.c which eventually lead to deallocating None. ........ r46514 | georg.brandl | 2006-05-28 23:57:35 +0200 (Sun, 28 May 2006) | 4 lines Correct None refcount issue in Mac modules. (Are they still used?) ........ r46515 | armin.rigo | 2006-05-29 00:07:08 +0200 (Mon, 29 May 2006) | 3 lines A clearer error message when passing -R to regrtest.py with release builds of Python. ........ r46516 | georg.brandl | 2006-05-29 00:14:04 +0200 (Mon, 29 May 2006) | 3 lines Fix C function calling conventions in _sre module. ........ r46517 | georg.brandl | 2006-05-29 00:34:51 +0200 (Mon, 29 May 2006) | 3 lines Convert audioop over to METH_VARARGS. ........ r46518 | georg.brandl | 2006-05-29 00:38:57 +0200 (Mon, 29 May 2006) | 3 lines METH_NOARGS functions do get called with two args. ........ r46519 | georg.brandl | 2006-05-29 11:46:51 +0200 (Mon, 29 May 2006) | 4 lines Fix refleak in socketmodule. Replace bogus Py_BuildValue calls. Fix refleak in exceptions. ........ r46520 | nick.coghlan | 2006-05-29 14:43:05 +0200 (Mon, 29 May 2006) | 7 lines Apply modified version of Collin Winter's patch #1478788 Renames functional extension module to _functools and adds a Python functools module so that utility functions like update_wrapper can be added easily. ........ r46522 | georg.brandl | 2006-05-29 15:53:16 +0200 (Mon, 29 May 2006) | 3 lines Convert fmmodule to METH_VARARGS. ........ r46523 | georg.brandl | 2006-05-29 16:13:21 +0200 (Mon, 29 May 2006) | 3 lines Fix #1494605. ........ r46524 | georg.brandl | 2006-05-29 16:28:05 +0200 (Mon, 29 May 2006) | 3 lines Handle PyMem_Malloc failure in pystrtod.c. Closes #1494671. ........ r46525 | georg.brandl | 2006-05-29 16:33:55 +0200 (Mon, 29 May 2006) | 3 lines Fix compiler warning. ........ r46526 | georg.brandl | 2006-05-29 16:39:00 +0200 (Mon, 29 May 2006) | 3 lines Fix #1494787 (pyclbr counts whitespace as superclass name) ........ r46527 | bob.ippolito | 2006-05-29 17:47:29 +0200 (Mon, 29 May 2006) | 1 line simplify the struct code a bit (no functional changes) ........ r46528 | armin.rigo | 2006-05-29 19:59:47 +0200 (Mon, 29 May 2006) | 2 lines Silence a warning. ........ r46529 | georg.brandl | 2006-05-29 21:39:45 +0200 (Mon, 29 May 2006) | 3 lines Correct some value converting strangenesses. ........ r46530 | nick.coghlan | 2006-05-29 22:27:44 +0200 (Mon, 29 May 2006) | 1 line When adding a module like functools, it helps to let SVN know about the file. ........ r46531 | georg.brandl | 2006-05-29 22:52:54 +0200 (Mon, 29 May 2006) | 4 lines Patches #1497027 and #972322: try HTTP digest auth first, and watch out for handler name collisions. ........ r46532 | georg.brandl | 2006-05-29 22:57:01 +0200 (Mon, 29 May 2006) | 3 lines Add News entry for last commit. ........ r46533 | georg.brandl | 2006-05-29 23:04:52 +0200 (Mon, 29 May 2006) | 4 lines Make use of METH_O and METH_NOARGS where possible. Use Py_UnpackTuple instead of PyArg_ParseTuple where possible. ........ r46534 | georg.brandl | 2006-05-29 23:58:42 +0200 (Mon, 29 May 2006) | 3 lines Convert more modules to METH_VARARGS. ........ r46535 | georg.brandl | 2006-05-30 00:00:30 +0200 (Tue, 30 May 2006) | 3 lines Whoops. ........ r46536 | fredrik.lundh | 2006-05-30 00:42:07 +0200 (Tue, 30 May 2006) | 4 lines fixed "abc".count("", 100) == -96 error (hopefully, nobody's relying on the current behaviour ;-) ........ r46537 | bob.ippolito | 2006-05-30 00:55:48 +0200 (Tue, 30 May 2006) | 1 line struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) ........ r46539 | bob.ippolito | 2006-05-30 02:26:01 +0200 (Tue, 30 May 2006) | 1 line Add a length check to aifc to ensure it doesn't write a bogus file ........ r46540 | tim.peters | 2006-05-30 04:25:25 +0200 (Tue, 30 May 2006) | 10 lines deprecated_err(): Stop bizarre warning messages when the tests are run in the order: test_genexps (or any other doctest-based test) test_struct test_doctest The `warnings` module needs an advertised way to save/restore its internal filter list. ........ r46541 | tim.peters | 2006-05-30 04:26:46 +0200 (Tue, 30 May 2006) | 2 lines Whitespace normalization. ........ r46542 | tim.peters | 2006-05-30 04:30:30 +0200 (Tue, 30 May 2006) | 2 lines Set a binary svn:mime-type property on this UTF-8 encoded file. ........ r46543 | neal.norwitz | 2006-05-30 05:18:50 +0200 (Tue, 30 May 2006) | 1 line Simplify further by using AddStringConstant ........ r46544 | tim.peters | 2006-05-30 06:16:25 +0200 (Tue, 30 May 2006) | 6 lines Convert relevant dict internals to Py_ssize_t. I don't have a box with nearly enough RAM, or an OS, that could get close to tickling this, though (requires a dict w/ at least 2**31 entries). ........ r46545 | neal.norwitz | 2006-05-30 06:19:21 +0200 (Tue, 30 May 2006) | 1 line Remove stray | in comment ........ r46546 | neal.norwitz | 2006-05-30 06:25:05 +0200 (Tue, 30 May 2006) | 1 line Use Py_SAFE_DOWNCAST for safety. Fix format strings. Remove 2 more stray | in comment ........ r46547 | neal.norwitz | 2006-05-30 06:43:23 +0200 (Tue, 30 May 2006) | 1 line No DOWNCAST is required since sizeof(Py_ssize_t) >= sizeof(int) and Py_ReprEntr returns an int ........ r46548 | tim.peters | 2006-05-30 07:04:59 +0200 (Tue, 30 May 2006) | 3 lines dict_print(): Explicitly narrow the return value from a (possibly) wider variable. ........ r46549 | tim.peters | 2006-05-30 07:23:59 +0200 (Tue, 30 May 2006) | 5 lines dict_print(): So that Neal & I don't spend the rest of our lives taking turns rewriting code that works ;-), get rid of casting illusions by declaring a new variable with the obvious type. ........ r46550 | georg.brandl | 2006-05-30 09:04:55 +0200 (Tue, 30 May 2006) | 3 lines Restore exception pickle support. #1497319. ........ r46551 | georg.brandl | 2006-05-30 09:13:29 +0200 (Tue, 30 May 2006) | 3 lines Add a test case for exception pickling. args is never NULL. ........ r46552 | neal.norwitz | 2006-05-30 09:21:10 +0200 (Tue, 30 May 2006) | 1 line Don't fail if the (sub)pkgname already exist. ........ r46553 | georg.brandl | 2006-05-30 09:34:45 +0200 (Tue, 30 May 2006) | 3 lines Disallow keyword args for exceptions. ........ r46554 | neal.norwitz | 2006-05-30 09:36:54 +0200 (Tue, 30 May 2006) | 5 lines I'm impatient. I think this will fix a few more problems with the buildbots. I'm not sure this is the best approach, but I can't think of anything better. If this creates problems, feel free to revert, but I think it's safe and should make things a little better. ........ r46555 | georg.brandl | 2006-05-30 10:17:00 +0200 (Tue, 30 May 2006) | 4 lines Do the check for no keyword arguments in __init__ so that subclasses of Exception can be supplied keyword args ........ r46556 | georg.brandl | 2006-05-30 10:47:19 +0200 (Tue, 30 May 2006) | 3 lines Convert test_exceptions to unittest. ........ r46557 | andrew.kuchling | 2006-05-30 14:52:01 +0200 (Tue, 30 May 2006) | 1 line Add SoC name, and reorganize this section a bit ........ r46559 | tim.peters | 2006-05-30 17:53:34 +0200 (Tue, 30 May 2006) | 11 lines PyLong_FromString(): Continued fraction analysis (explained in a new comment) suggests there are almost certainly large input integers in all non-binary input bases for which one Python digit too few is initally allocated to hold the final result. Instead of assert-failing when that happens, allocate more space. Alas, I estimate it would take a few days to find a specific such case, so this isn't backed up by a new test (not to mention that such a case may take hours to run, since conversion time is quadratic in the number of digits, and preliminary attempts suggested that the smallest such inputs contain at least a million digits). ........ r46560 | fredrik.lundh | 2006-05-30 19:11:48 +0200 (Tue, 30 May 2006) | 3 lines changed find/rfind to return -1 for matches outside the source string ........ r46561 | bob.ippolito | 2006-05-30 19:37:54 +0200 (Tue, 30 May 2006) | 1 line Change wrapping terminology to overflow masking ........ r46562 | fredrik.lundh | 2006-05-30 19:39:58 +0200 (Tue, 30 May 2006) | 3 lines changed count to return 0 for slices outside the source string ........ r46568 | tim.peters | 2006-05-31 01:28:02 +0200 (Wed, 31 May 2006) | 2 lines Whitespace normalization. ........ r46569 | brett.cannon | 2006-05-31 04:19:54 +0200 (Wed, 31 May 2006) | 5 lines Clarify wording on default values for strptime(); defaults are used when better values cannot be inferred. Closes bug #1496315. ........ r46572 | neal.norwitz | 2006-05-31 09:43:27 +0200 (Wed, 31 May 2006) | 1 line Calculate smallest properly (it was off by one) and use proper ssize_t types for Win64 ........ r46573 | neal.norwitz | 2006-05-31 10:01:08 +0200 (Wed, 31 May 2006) | 1 line Revert last checkin, it is better to do make distclean ........ r46574 | neal.norwitz | 2006-05-31 11:02:44 +0200 (Wed, 31 May 2006) | 3 lines On 64-bit platforms running test_struct after test_tarfile would fail since the deprecation warning wouldn't be raised. ........ r46575 | thomas.heller | 2006-05-31 13:37:58 +0200 (Wed, 31 May 2006) | 3 lines PyTuple_Pack is not available in Python 2.3, but ctypes must stay compatible with that. ........ r46576 | andrew.kuchling | 2006-05-31 15:18:56 +0200 (Wed, 31 May 2006) | 1 line 'functional' module was renamed to 'functools' ........ r46577 | kristjan.jonsson | 2006-05-31 15:35:41 +0200 (Wed, 31 May 2006) | 1 line Fixup the PCBuild8 project directory. exceptions.c have moved to Objects, and the functionalmodule.c has been replaced with _functoolsmodule.c. Other minor changes to .vcproj files and .sln to fix compilation ........ r46578 | andrew.kuchling | 2006-05-31 16:08:48 +0200 (Wed, 31 May 2006) | 15 lines [Bug #1473048] SimpleXMLRPCServer and DocXMLRPCServer don't look at the path of the HTTP request at all; you can POST or GET from / or /RPC2 or /blahblahblah with the same results. Security scanners that look for /cgi-bin/phf will therefore report lots of vulnerabilities. Fix: add a .rpc_paths attribute to the SimpleXMLRPCServer class, and report a 404 error if the path isn't on the allowed list. Possibly-controversial aspect of this change: the default makes only '/' and '/RPC2' legal. Maybe this will break people's applications (though I doubt it). We could just set the default to an empty tuple, which would exactly match the current behaviour. ........ r46579 | andrew.kuchling | 2006-05-31 16:12:47 +0200 (Wed, 31 May 2006) | 1 line Mention SimpleXMLRPCServer change ........ r46580 | tim.peters | 2006-05-31 16:28:07 +0200 (Wed, 31 May 2006) | 2 lines Trimmed trailing whitespace. ........ r46581 | tim.peters | 2006-05-31 17:33:22 +0200 (Wed, 31 May 2006) | 4 lines _range_error(): Speed and simplify (there's no real need for loops here). Assert that size_t is actually big enough, and that f->size is at least one. Wrap a long line. ........ r46582 | tim.peters | 2006-05-31 17:34:37 +0200 (Wed, 31 May 2006) | 2 lines Repaired error in new comment. ........ r46584 | neal.norwitz | 2006-06-01 07:32:49 +0200 (Thu, 01 Jun 2006) | 4 lines Remove ; at end of macro. There was a compiler recently that warned about extra semi-colons. It may have been the HP C compiler. This file will trigger a bunch of those warnings now. ........ r46585 | georg.brandl | 2006-06-01 08:39:19 +0200 (Thu, 01 Jun 2006) | 3 lines Correctly unpickle 2.4 exceptions via __setstate__ (patch #1498571) ........ r46586 | georg.brandl | 2006-06-01 10:27:32 +0200 (Thu, 01 Jun 2006) | 3 lines Correctly allocate complex types with tp_alloc. (bug #1498638) ........ r46587 | georg.brandl | 2006-06-01 14:30:46 +0200 (Thu, 01 Jun 2006) | 2 lines Correctly dispatch Faults in loads (patch #1498627) ........ r46588 | georg.brandl | 2006-06-01 15:00:49 +0200 (Thu, 01 Jun 2006) | 3 lines Some code style tweaks, and remove apply. ........ r46589 | armin.rigo | 2006-06-01 15:19:12 +0200 (Thu, 01 Jun 2006) | 5 lines [ 1497053 ] Let dicts propagate the exceptions in user __eq__(). [ 1456209 ] dictresize() vulnerability ( <- backport candidate ). ........ r46590 | tim.peters | 2006-06-01 15:41:46 +0200 (Thu, 01 Jun 2006) | 2 lines Whitespace normalization. ........ r46591 | tim.peters | 2006-06-01 15:49:23 +0200 (Thu, 01 Jun 2006) | 2 lines Record bugs 1275608 and 1456209 as being fixed. ........ r46592 | tim.peters | 2006-06-01 15:56:26 +0200 (Thu, 01 Jun 2006) | 5 lines Re-enable a new empty-string test added during the NFS sprint, but disabled then because str and unicode strings gave different results. The implementations were repaired later during the sprint, but the new test remained disabled. ........ r46594 | tim.peters | 2006-06-01 17:50:44 +0200 (Thu, 01 Jun 2006) | 7 lines Armin committed his patch while I was reviewing it (I'm sure he didn't know this), so merged in some changes I made during review. Nothing material apart from changing a new `mask` local from int to Py_ssize_t. Mostly this is repairing comments that were made incorrect, and adding new comments. Also a few minor code rewrites for clarity or helpful succinctness. ........ r46599 | neal.norwitz | 2006-06-02 06:45:53 +0200 (Fri, 02 Jun 2006) | 1 line Convert docstrings to comments so regrtest -v prints method names ........ r46600 | neal.norwitz | 2006-06-02 06:50:49 +0200 (Fri, 02 Jun 2006) | 2 lines Fix memory leak found by valgrind. ........ r46601 | neal.norwitz | 2006-06-02 06:54:52 +0200 (Fri, 02 Jun 2006) | 1 line More memory leaks from valgrind ........ r46602 | neal.norwitz | 2006-06-02 08:23:00 +0200 (Fri, 02 Jun 2006) | 11 lines Patch #1357836: Prevent an invalid memory read from test_coding in case the done flag is set. In that case, the loop isn't entered. I wonder if rather than setting the done flag in the cases before the loop, if they should just exit early. This code looks like it should be refactored. Backport candidate (also the early break above if decoding_fgets fails) ........ r46603 | martin.blais | 2006-06-02 15:03:43 +0200 (Fri, 02 Jun 2006) | 1 line Fixed struct test to not use unittest. ........ r46605 | tim.peters | 2006-06-03 01:22:51 +0200 (Sat, 03 Jun 2006) | 10 lines pprint functions used to sort a dict (by key) if and only if the output required more than one line. "Small" dicts got displayed in seemingly random order (the hash-induced order produced by dict.__repr__). None of this was documented. Now pprint functions always sort dicts by key, and the docs promise it. This was proposed and agreed to during the PyCon 2006 core sprint -- I just didn't have time for it before now. ........
2006-06-08 11:42:34 -03:00
mbstreamwriter_write(MultibyteStreamWriterObject *self, PyObject *strobj)
{
if (mbstreamwriter_iwrite(self, strobj))
return NULL;
else
Py_RETURN_NONE;
}
static PyObject *
Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn merge in bad ways, so I'll have to merge that extra-carefully (probably manually.) Merged revisions 46495-46605 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r46495 | tim.peters | 2006-05-28 03:52:38 +0200 (Sun, 28 May 2006) | 2 lines Added missing svn:eol-style property to text files. ........ r46497 | tim.peters | 2006-05-28 12:41:29 +0200 (Sun, 28 May 2006) | 3 lines PyErr_Display(), PyErr_WriteUnraisable(): Coverity found a cut-and-paste bug in both: `className` was referenced before being checked for NULL. ........ r46499 | fredrik.lundh | 2006-05-28 14:06:46 +0200 (Sun, 28 May 2006) | 5 lines needforspeed: added Py_MEMCPY macro (currently tuned for Visual C only), and use it for string copy operations. this gives a 20% speedup on some string benchmarks. ........ r46501 | michael.hudson | 2006-05-28 17:51:40 +0200 (Sun, 28 May 2006) | 26 lines Quality control, meet exceptions.c. Fix a number of problems with the need for speed code: One is doing this sort of thing: Py_DECREF(self->field); self->field = newval; Py_INCREF(self->field); without being very sure that self->field doesn't start with a value that has a __del__, because that almost certainly can lead to segfaults. As self->args is constrained to be an exact tuple we may as well exploit this fact consistently. This leads to quite a lot of simplification (and, hey, probably better performance). Add some error checking in places lacking it. Fix some rather strange indentation in the Unicode code. Delete some trailing whitespace. More to come, I haven't fixed all the reference leaks yet... ........ r46502 | george.yoshida | 2006-05-28 18:39:09 +0200 (Sun, 28 May 2006) | 3 lines Patch #1080727: add "encoding" parameter to doctest.DocFileSuite Contributed by Bjorn Tillenius. ........ r46503 | martin.v.loewis | 2006-05-28 18:57:38 +0200 (Sun, 28 May 2006) | 4 lines Rest of patch #1490384: Commit icon source, remove claim that Erik von Blokland is the author of the installer picture. ........ r46504 | michael.hudson | 2006-05-28 19:40:29 +0200 (Sun, 28 May 2006) | 16 lines Quality control, meet exceptions.c, round two. Make some functions that should have been static static. Fix a bunch of refleaks by fixing the definition of MiddlingExtendsException. Remove all the __new__ implementations apart from BaseException_new. Rewrite most code that needs it to cope with NULL fields (such code could get excercised anyway, the __new__-removal just makes it more likely). This involved editing the code for WindowsError, which I can't test. This fixes all the refleaks in at least the start of a regrtest -R :: run. ........ r46505 | marc-andre.lemburg | 2006-05-28 19:46:58 +0200 (Sun, 28 May 2006) | 10 lines Initial version of systimes - a module to provide platform dependent performance measurements. The module is currently just a proof-of-concept implementation, but will integrated into pybench once it is stable enough. License: pybench license. Author: Marc-Andre Lemburg. ........ r46507 | armin.rigo | 2006-05-28 21:13:17 +0200 (Sun, 28 May 2006) | 15 lines ("Forward-port" of r46506) Remove various dependencies on dictionary order in the standard library tests, and one (clearly an oversight, potentially critical) in the standard library itself - base64.py. Remaining open issues: * test_extcall is an output test, messy to make robust * tarfile.py has a potential bug here, but I'm not familiar enough with this code. Filed in as SF bug #1496501. * urllib2.HTTPPasswordMgr() returns a random result if there is more than one matching root path. I'm asking python-dev for clarification... ........ r46508 | georg.brandl | 2006-05-28 22:11:45 +0200 (Sun, 28 May 2006) | 4 lines The empty string is a valid import path. (fixes #1496539) ........ r46509 | georg.brandl | 2006-05-28 22:23:12 +0200 (Sun, 28 May 2006) | 3 lines Patch #1496206: urllib2 PasswordMgr ./. default ports ........ r46510 | georg.brandl | 2006-05-28 22:57:09 +0200 (Sun, 28 May 2006) | 3 lines Fix refleaks in UnicodeError get and set methods. ........ r46511 | michael.hudson | 2006-05-28 23:19:03 +0200 (Sun, 28 May 2006) | 3 lines use the UnicodeError traversal and clearing functions in UnicodeError subclasses. ........ r46512 | thomas.wouters | 2006-05-28 23:32:12 +0200 (Sun, 28 May 2006) | 4 lines Make last patch valid C89 so Windows compilers can deal with it. ........ r46513 | georg.brandl | 2006-05-28 23:42:54 +0200 (Sun, 28 May 2006) | 3 lines Fix ref-antileak in _struct.c which eventually lead to deallocating None. ........ r46514 | georg.brandl | 2006-05-28 23:57:35 +0200 (Sun, 28 May 2006) | 4 lines Correct None refcount issue in Mac modules. (Are they still used?) ........ r46515 | armin.rigo | 2006-05-29 00:07:08 +0200 (Mon, 29 May 2006) | 3 lines A clearer error message when passing -R to regrtest.py with release builds of Python. ........ r46516 | georg.brandl | 2006-05-29 00:14:04 +0200 (Mon, 29 May 2006) | 3 lines Fix C function calling conventions in _sre module. ........ r46517 | georg.brandl | 2006-05-29 00:34:51 +0200 (Mon, 29 May 2006) | 3 lines Convert audioop over to METH_VARARGS. ........ r46518 | georg.brandl | 2006-05-29 00:38:57 +0200 (Mon, 29 May 2006) | 3 lines METH_NOARGS functions do get called with two args. ........ r46519 | georg.brandl | 2006-05-29 11:46:51 +0200 (Mon, 29 May 2006) | 4 lines Fix refleak in socketmodule. Replace bogus Py_BuildValue calls. Fix refleak in exceptions. ........ r46520 | nick.coghlan | 2006-05-29 14:43:05 +0200 (Mon, 29 May 2006) | 7 lines Apply modified version of Collin Winter's patch #1478788 Renames functional extension module to _functools and adds a Python functools module so that utility functions like update_wrapper can be added easily. ........ r46522 | georg.brandl | 2006-05-29 15:53:16 +0200 (Mon, 29 May 2006) | 3 lines Convert fmmodule to METH_VARARGS. ........ r46523 | georg.brandl | 2006-05-29 16:13:21 +0200 (Mon, 29 May 2006) | 3 lines Fix #1494605. ........ r46524 | georg.brandl | 2006-05-29 16:28:05 +0200 (Mon, 29 May 2006) | 3 lines Handle PyMem_Malloc failure in pystrtod.c. Closes #1494671. ........ r46525 | georg.brandl | 2006-05-29 16:33:55 +0200 (Mon, 29 May 2006) | 3 lines Fix compiler warning. ........ r46526 | georg.brandl | 2006-05-29 16:39:00 +0200 (Mon, 29 May 2006) | 3 lines Fix #1494787 (pyclbr counts whitespace as superclass name) ........ r46527 | bob.ippolito | 2006-05-29 17:47:29 +0200 (Mon, 29 May 2006) | 1 line simplify the struct code a bit (no functional changes) ........ r46528 | armin.rigo | 2006-05-29 19:59:47 +0200 (Mon, 29 May 2006) | 2 lines Silence a warning. ........ r46529 | georg.brandl | 2006-05-29 21:39:45 +0200 (Mon, 29 May 2006) | 3 lines Correct some value converting strangenesses. ........ r46530 | nick.coghlan | 2006-05-29 22:27:44 +0200 (Mon, 29 May 2006) | 1 line When adding a module like functools, it helps to let SVN know about the file. ........ r46531 | georg.brandl | 2006-05-29 22:52:54 +0200 (Mon, 29 May 2006) | 4 lines Patches #1497027 and #972322: try HTTP digest auth first, and watch out for handler name collisions. ........ r46532 | georg.brandl | 2006-05-29 22:57:01 +0200 (Mon, 29 May 2006) | 3 lines Add News entry for last commit. ........ r46533 | georg.brandl | 2006-05-29 23:04:52 +0200 (Mon, 29 May 2006) | 4 lines Make use of METH_O and METH_NOARGS where possible. Use Py_UnpackTuple instead of PyArg_ParseTuple where possible. ........ r46534 | georg.brandl | 2006-05-29 23:58:42 +0200 (Mon, 29 May 2006) | 3 lines Convert more modules to METH_VARARGS. ........ r46535 | georg.brandl | 2006-05-30 00:00:30 +0200 (Tue, 30 May 2006) | 3 lines Whoops. ........ r46536 | fredrik.lundh | 2006-05-30 00:42:07 +0200 (Tue, 30 May 2006) | 4 lines fixed "abc".count("", 100) == -96 error (hopefully, nobody's relying on the current behaviour ;-) ........ r46537 | bob.ippolito | 2006-05-30 00:55:48 +0200 (Tue, 30 May 2006) | 1 line struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) ........ r46539 | bob.ippolito | 2006-05-30 02:26:01 +0200 (Tue, 30 May 2006) | 1 line Add a length check to aifc to ensure it doesn't write a bogus file ........ r46540 | tim.peters | 2006-05-30 04:25:25 +0200 (Tue, 30 May 2006) | 10 lines deprecated_err(): Stop bizarre warning messages when the tests are run in the order: test_genexps (or any other doctest-based test) test_struct test_doctest The `warnings` module needs an advertised way to save/restore its internal filter list. ........ r46541 | tim.peters | 2006-05-30 04:26:46 +0200 (Tue, 30 May 2006) | 2 lines Whitespace normalization. ........ r46542 | tim.peters | 2006-05-30 04:30:30 +0200 (Tue, 30 May 2006) | 2 lines Set a binary svn:mime-type property on this UTF-8 encoded file. ........ r46543 | neal.norwitz | 2006-05-30 05:18:50 +0200 (Tue, 30 May 2006) | 1 line Simplify further by using AddStringConstant ........ r46544 | tim.peters | 2006-05-30 06:16:25 +0200 (Tue, 30 May 2006) | 6 lines Convert relevant dict internals to Py_ssize_t. I don't have a box with nearly enough RAM, or an OS, that could get close to tickling this, though (requires a dict w/ at least 2**31 entries). ........ r46545 | neal.norwitz | 2006-05-30 06:19:21 +0200 (Tue, 30 May 2006) | 1 line Remove stray | in comment ........ r46546 | neal.norwitz | 2006-05-30 06:25:05 +0200 (Tue, 30 May 2006) | 1 line Use Py_SAFE_DOWNCAST for safety. Fix format strings. Remove 2 more stray | in comment ........ r46547 | neal.norwitz | 2006-05-30 06:43:23 +0200 (Tue, 30 May 2006) | 1 line No DOWNCAST is required since sizeof(Py_ssize_t) >= sizeof(int) and Py_ReprEntr returns an int ........ r46548 | tim.peters | 2006-05-30 07:04:59 +0200 (Tue, 30 May 2006) | 3 lines dict_print(): Explicitly narrow the return value from a (possibly) wider variable. ........ r46549 | tim.peters | 2006-05-30 07:23:59 +0200 (Tue, 30 May 2006) | 5 lines dict_print(): So that Neal & I don't spend the rest of our lives taking turns rewriting code that works ;-), get rid of casting illusions by declaring a new variable with the obvious type. ........ r46550 | georg.brandl | 2006-05-30 09:04:55 +0200 (Tue, 30 May 2006) | 3 lines Restore exception pickle support. #1497319. ........ r46551 | georg.brandl | 2006-05-30 09:13:29 +0200 (Tue, 30 May 2006) | 3 lines Add a test case for exception pickling. args is never NULL. ........ r46552 | neal.norwitz | 2006-05-30 09:21:10 +0200 (Tue, 30 May 2006) | 1 line Don't fail if the (sub)pkgname already exist. ........ r46553 | georg.brandl | 2006-05-30 09:34:45 +0200 (Tue, 30 May 2006) | 3 lines Disallow keyword args for exceptions. ........ r46554 | neal.norwitz | 2006-05-30 09:36:54 +0200 (Tue, 30 May 2006) | 5 lines I'm impatient. I think this will fix a few more problems with the buildbots. I'm not sure this is the best approach, but I can't think of anything better. If this creates problems, feel free to revert, but I think it's safe and should make things a little better. ........ r46555 | georg.brandl | 2006-05-30 10:17:00 +0200 (Tue, 30 May 2006) | 4 lines Do the check for no keyword arguments in __init__ so that subclasses of Exception can be supplied keyword args ........ r46556 | georg.brandl | 2006-05-30 10:47:19 +0200 (Tue, 30 May 2006) | 3 lines Convert test_exceptions to unittest. ........ r46557 | andrew.kuchling | 2006-05-30 14:52:01 +0200 (Tue, 30 May 2006) | 1 line Add SoC name, and reorganize this section a bit ........ r46559 | tim.peters | 2006-05-30 17:53:34 +0200 (Tue, 30 May 2006) | 11 lines PyLong_FromString(): Continued fraction analysis (explained in a new comment) suggests there are almost certainly large input integers in all non-binary input bases for which one Python digit too few is initally allocated to hold the final result. Instead of assert-failing when that happens, allocate more space. Alas, I estimate it would take a few days to find a specific such case, so this isn't backed up by a new test (not to mention that such a case may take hours to run, since conversion time is quadratic in the number of digits, and preliminary attempts suggested that the smallest such inputs contain at least a million digits). ........ r46560 | fredrik.lundh | 2006-05-30 19:11:48 +0200 (Tue, 30 May 2006) | 3 lines changed find/rfind to return -1 for matches outside the source string ........ r46561 | bob.ippolito | 2006-05-30 19:37:54 +0200 (Tue, 30 May 2006) | 1 line Change wrapping terminology to overflow masking ........ r46562 | fredrik.lundh | 2006-05-30 19:39:58 +0200 (Tue, 30 May 2006) | 3 lines changed count to return 0 for slices outside the source string ........ r46568 | tim.peters | 2006-05-31 01:28:02 +0200 (Wed, 31 May 2006) | 2 lines Whitespace normalization. ........ r46569 | brett.cannon | 2006-05-31 04:19:54 +0200 (Wed, 31 May 2006) | 5 lines Clarify wording on default values for strptime(); defaults are used when better values cannot be inferred. Closes bug #1496315. ........ r46572 | neal.norwitz | 2006-05-31 09:43:27 +0200 (Wed, 31 May 2006) | 1 line Calculate smallest properly (it was off by one) and use proper ssize_t types for Win64 ........ r46573 | neal.norwitz | 2006-05-31 10:01:08 +0200 (Wed, 31 May 2006) | 1 line Revert last checkin, it is better to do make distclean ........ r46574 | neal.norwitz | 2006-05-31 11:02:44 +0200 (Wed, 31 May 2006) | 3 lines On 64-bit platforms running test_struct after test_tarfile would fail since the deprecation warning wouldn't be raised. ........ r46575 | thomas.heller | 2006-05-31 13:37:58 +0200 (Wed, 31 May 2006) | 3 lines PyTuple_Pack is not available in Python 2.3, but ctypes must stay compatible with that. ........ r46576 | andrew.kuchling | 2006-05-31 15:18:56 +0200 (Wed, 31 May 2006) | 1 line 'functional' module was renamed to 'functools' ........ r46577 | kristjan.jonsson | 2006-05-31 15:35:41 +0200 (Wed, 31 May 2006) | 1 line Fixup the PCBuild8 project directory. exceptions.c have moved to Objects, and the functionalmodule.c has been replaced with _functoolsmodule.c. Other minor changes to .vcproj files and .sln to fix compilation ........ r46578 | andrew.kuchling | 2006-05-31 16:08:48 +0200 (Wed, 31 May 2006) | 15 lines [Bug #1473048] SimpleXMLRPCServer and DocXMLRPCServer don't look at the path of the HTTP request at all; you can POST or GET from / or /RPC2 or /blahblahblah with the same results. Security scanners that look for /cgi-bin/phf will therefore report lots of vulnerabilities. Fix: add a .rpc_paths attribute to the SimpleXMLRPCServer class, and report a 404 error if the path isn't on the allowed list. Possibly-controversial aspect of this change: the default makes only '/' and '/RPC2' legal. Maybe this will break people's applications (though I doubt it). We could just set the default to an empty tuple, which would exactly match the current behaviour. ........ r46579 | andrew.kuchling | 2006-05-31 16:12:47 +0200 (Wed, 31 May 2006) | 1 line Mention SimpleXMLRPCServer change ........ r46580 | tim.peters | 2006-05-31 16:28:07 +0200 (Wed, 31 May 2006) | 2 lines Trimmed trailing whitespace. ........ r46581 | tim.peters | 2006-05-31 17:33:22 +0200 (Wed, 31 May 2006) | 4 lines _range_error(): Speed and simplify (there's no real need for loops here). Assert that size_t is actually big enough, and that f->size is at least one. Wrap a long line. ........ r46582 | tim.peters | 2006-05-31 17:34:37 +0200 (Wed, 31 May 2006) | 2 lines Repaired error in new comment. ........ r46584 | neal.norwitz | 2006-06-01 07:32:49 +0200 (Thu, 01 Jun 2006) | 4 lines Remove ; at end of macro. There was a compiler recently that warned about extra semi-colons. It may have been the HP C compiler. This file will trigger a bunch of those warnings now. ........ r46585 | georg.brandl | 2006-06-01 08:39:19 +0200 (Thu, 01 Jun 2006) | 3 lines Correctly unpickle 2.4 exceptions via __setstate__ (patch #1498571) ........ r46586 | georg.brandl | 2006-06-01 10:27:32 +0200 (Thu, 01 Jun 2006) | 3 lines Correctly allocate complex types with tp_alloc. (bug #1498638) ........ r46587 | georg.brandl | 2006-06-01 14:30:46 +0200 (Thu, 01 Jun 2006) | 2 lines Correctly dispatch Faults in loads (patch #1498627) ........ r46588 | georg.brandl | 2006-06-01 15:00:49 +0200 (Thu, 01 Jun 2006) | 3 lines Some code style tweaks, and remove apply. ........ r46589 | armin.rigo | 2006-06-01 15:19:12 +0200 (Thu, 01 Jun 2006) | 5 lines [ 1497053 ] Let dicts propagate the exceptions in user __eq__(). [ 1456209 ] dictresize() vulnerability ( <- backport candidate ). ........ r46590 | tim.peters | 2006-06-01 15:41:46 +0200 (Thu, 01 Jun 2006) | 2 lines Whitespace normalization. ........ r46591 | tim.peters | 2006-06-01 15:49:23 +0200 (Thu, 01 Jun 2006) | 2 lines Record bugs 1275608 and 1456209 as being fixed. ........ r46592 | tim.peters | 2006-06-01 15:56:26 +0200 (Thu, 01 Jun 2006) | 5 lines Re-enable a new empty-string test added during the NFS sprint, but disabled then because str and unicode strings gave different results. The implementations were repaired later during the sprint, but the new test remained disabled. ........ r46594 | tim.peters | 2006-06-01 17:50:44 +0200 (Thu, 01 Jun 2006) | 7 lines Armin committed his patch while I was reviewing it (I'm sure he didn't know this), so merged in some changes I made during review. Nothing material apart from changing a new `mask` local from int to Py_ssize_t. Mostly this is repairing comments that were made incorrect, and adding new comments. Also a few minor code rewrites for clarity or helpful succinctness. ........ r46599 | neal.norwitz | 2006-06-02 06:45:53 +0200 (Fri, 02 Jun 2006) | 1 line Convert docstrings to comments so regrtest -v prints method names ........ r46600 | neal.norwitz | 2006-06-02 06:50:49 +0200 (Fri, 02 Jun 2006) | 2 lines Fix memory leak found by valgrind. ........ r46601 | neal.norwitz | 2006-06-02 06:54:52 +0200 (Fri, 02 Jun 2006) | 1 line More memory leaks from valgrind ........ r46602 | neal.norwitz | 2006-06-02 08:23:00 +0200 (Fri, 02 Jun 2006) | 11 lines Patch #1357836: Prevent an invalid memory read from test_coding in case the done flag is set. In that case, the loop isn't entered. I wonder if rather than setting the done flag in the cases before the loop, if they should just exit early. This code looks like it should be refactored. Backport candidate (also the early break above if decoding_fgets fails) ........ r46603 | martin.blais | 2006-06-02 15:03:43 +0200 (Fri, 02 Jun 2006) | 1 line Fixed struct test to not use unittest. ........ r46605 | tim.peters | 2006-06-03 01:22:51 +0200 (Sat, 03 Jun 2006) | 10 lines pprint functions used to sort a dict (by key) if and only if the output required more than one line. "Small" dicts got displayed in seemingly random order (the hash-induced order produced by dict.__repr__). None of this was documented. Now pprint functions always sort dicts by key, and the docs promise it. This was proposed and agreed to during the PyCon 2006 core sprint -- I just didn't have time for it before now. ........
2006-06-08 11:42:34 -03:00
mbstreamwriter_writelines(MultibyteStreamWriterObject *self, PyObject *lines)
{
PyObject *strobj;
int i, r;
if (!PySequence_Check(lines)) {
PyErr_SetString(PyExc_TypeError,
"arg must be a sequence object");
return NULL;
}
for (i = 0; i < PySequence_Length(lines); i++) {
/* length can be changed even within this loop */
strobj = PySequence_GetItem(lines, i);
if (strobj == NULL)
return NULL;
r = mbstreamwriter_iwrite(self, strobj);
Py_DECREF(strobj);
if (r == -1)
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *
mbstreamwriter_reset(MultibyteStreamWriterObject *self)
{
const Py_UNICODE *pending;
PyObject *pwrt;
pending = self->pending;
pwrt = multibytecodec_encode(self->codec, &self->state,
&pending, self->pendingsize, self->errors,
MBENC_FLUSH | MBENC_RESET);
/* some pending buffer can be truncated when UnicodeEncodeError is
* raised on 'strict' mode. but, 'reset' method is designed to
* reset the pending buffer or states so failed string sequence
* ought to be missed */
self->pendingsize = 0;
if (pwrt == NULL)
return NULL;
assert(PyBytes_Check(pwrt));
if (PyBytes_Size(pwrt) > 0) {
PyObject *wr;
wr = PyObject_CallMethod(self->stream, "write", "O", pwrt);
if (wr == NULL) {
Py_DECREF(pwrt);
return NULL;
}
}
Py_DECREF(pwrt);
Py_RETURN_NONE;
}
static PyObject *
mbstreamwriter_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
MultibyteStreamWriterObject *self;
PyObject *stream, *codec = NULL;
char *errors = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|s:StreamWriter",
streamkwarglist, &stream, &errors))
return NULL;
self = (MultibyteStreamWriterObject *)type->tp_alloc(type, 0);
if (self == NULL)
return NULL;
codec = PyObject_GetAttrString((PyObject *)type, "codec");
if (codec == NULL)
goto errorexit;
if (!MultibyteCodec_Check(codec)) {
PyErr_SetString(PyExc_TypeError, "codec is unexpected type");
goto errorexit;
}
self->codec = ((MultibyteCodecObject *)codec)->codec;
self->stream = stream;
Py_INCREF(stream);
self->pendingsize = 0;
self->errors = internal_error_callback(errors);
if (self->errors == NULL)
goto errorexit;
if (self->codec->encinit != NULL &&
self->codec->encinit(&self->state, self->codec->config) != 0)
goto errorexit;
Py_DECREF(codec);
return (PyObject *)self;
errorexit:
Py_XDECREF(self);
Py_XDECREF(codec);
return NULL;
}
static int
mbstreamwriter_init(PyObject *self, PyObject *args, PyObject *kwds)
{
return 0;
}
static int
mbstreamwriter_traverse(MultibyteStreamWriterObject *self,
visitproc visit, void *arg)
{
if (ERROR_ISCUSTOM(self->errors))
Py_VISIT(self->errors);
Py_VISIT(self->stream);
return 0;
}
static void
mbstreamwriter_dealloc(MultibyteStreamWriterObject *self)
{
PyObject_GC_UnTrack(self);
ERROR_DECREF(self->errors);
Py_XDECREF(self->stream);
Py_TYPE(self)->tp_free(self);
}
static struct PyMethodDef mbstreamwriter_methods[] = {
{"write", (PyCFunction)mbstreamwriter_write,
METH_O, NULL},
{"writelines", (PyCFunction)mbstreamwriter_writelines,
METH_O, NULL},
{"reset", (PyCFunction)mbstreamwriter_reset,
METH_NOARGS, NULL},
{NULL, NULL},
};
static PyMemberDef mbstreamwriter_members[] = {
{"stream", T_OBJECT,
offsetof(MultibyteStreamWriterObject, stream),
READONLY, NULL},
{NULL,}
};
static PyTypeObject MultibyteStreamWriter_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"MultibyteStreamWriter", /* tp_name */
sizeof(MultibyteStreamWriterObject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)mbstreamwriter_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC
| Py_TPFLAGS_BASETYPE, /* tp_flags */
0, /* tp_doc */
(traverseproc)mbstreamwriter_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iterext */
mbstreamwriter_methods, /* tp_methods */
mbstreamwriter_members, /* tp_members */
codecctx_getsets, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
mbstreamwriter_init, /* tp_init */
0, /* tp_alloc */
mbstreamwriter_new, /* tp_new */
};
/**
* Exposed factory function
*/
static PyObject *
__create_codec(PyObject *ignore, PyObject *arg)
{
MultibyteCodecObject *self;
MultibyteCodec *codec;
if (!PyCapsule_IsValid(arg, PyMultibyteCodec_CAPSULE_NAME)) {
PyErr_SetString(PyExc_ValueError, "argument type invalid");
return NULL;
}
codec = PyCapsule_GetPointer(arg, PyMultibyteCodec_CAPSULE_NAME);
if (codec->codecinit != NULL && codec->codecinit(codec->config) != 0)
return NULL;
self = PyObject_New(MultibyteCodecObject, &MultibyteCodec_Type);
if (self == NULL)
return NULL;
self->codec = codec;
return (PyObject *)self;
}
static struct PyMethodDef __methods[] = {
{"__create_codec", (PyCFunction)__create_codec, METH_O},
{NULL, NULL},
};
static struct PyModuleDef _multibytecodecmodule = {
PyModuleDef_HEAD_INIT,
"_multibytecodec",
NULL,
-1,
__methods,
NULL,
NULL,
NULL,
NULL
};
PyMODINIT_FUNC
PyInit__multibytecodec(void)
{
int i;
PyObject *m;
PyTypeObject *typelist[] = {
&MultibyteIncrementalEncoder_Type,
&MultibyteIncrementalDecoder_Type,
&MultibyteStreamReader_Type,
&MultibyteStreamWriter_Type,
NULL
};
if (PyType_Ready(&MultibyteCodec_Type) < 0)
return NULL;
m = PyModule_Create(&_multibytecodecmodule);
if (m == NULL)
return NULL;
for (i = 0; typelist[i] != NULL; i++) {
if (PyType_Ready(typelist[i]) < 0)
return NULL;
Py_INCREF(typelist[i]);
PyModule_AddObject(m, typelist[i]->tp_name,
(PyObject *)typelist[i]);
}
if (PyErr_Occurred()) {
Py_FatalError("can't initialize the _multibytecodec module");
Py_DECREF(m);
m = NULL;
}
return m;
}