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Patch #505705: Remove eval in pickle and cPickle.

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This commit is contained in:
Martin v. Löwis 2002-08-14 07:46:28 +00:00
parent cffac66393
commit 8a8da798a5
8 changed files with 267 additions and 139 deletions
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46
Modules/_codecsmodule.c
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@ -71,7 +71,6 @@ PyObject *codeclookup(PyObject *self, PyObject *args)
return NULL;
}
#ifdef Py_USING_UNICODE
/* --- Helpers ------------------------------------------------------------ */
static
@ -97,6 +96,49 @@ PyObject *codec_tuple(PyObject *unicode,
return v;
}
/* --- String codecs ------------------------------------------------------ */
static PyObject *
escape_decode(PyObject *self,
PyObject *args)
{
const char *errors = NULL;
const char *data;
int size;
if (!PyArg_ParseTuple(args, "s#|z:escape_decode",
&data, &size, &errors))
return NULL;
return codec_tuple(PyString_DecodeEscape(data, size, errors, 0, NULL),
size);
}
static PyObject *
escape_encode(PyObject *self,
PyObject *args)
{
PyObject *str;
const char *errors = NULL;
char *buf;
int len;
if (!PyArg_ParseTuple(args, "O!|z:escape_encode",
&PyString_Type, &str, &errors))
return NULL;
str = PyString_Repr(str, 0);
if (!str)
return NULL;
/* The string will be quoted. Unquote, similar to unicode-escape. */
buf = PyString_AS_STRING (str);
len = PyString_GET_SIZE (str);
memmove(buf, buf+1, len-2);
_PyString_Resize(&str, len-2);
return codec_tuple(str, PyString_Size(str));
}
#ifdef Py_USING_UNICODE
/* --- Decoder ------------------------------------------------------------ */
static PyObject *
@ -669,6 +711,8 @@ mbcs_encode(PyObject *self,
static PyMethodDef _codecs_functions[] = {
{"register", codecregister, METH_VARARGS},
{"lookup", codeclookup, METH_VARARGS},
{"escape_encode", escape_encode, METH_VARARGS},
{"escape_decode", escape_decode, METH_VARARGS},
#ifdef Py_USING_UNICODE
{"utf_8_encode", utf_8_encode, METH_VARARGS},
{"utf_8_decode", utf_8_decode, METH_VARARGS},