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Issue #10180: Pickling file objects is now explicitly forbidden, since

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unpickling them produced nonsensical results.
This commit is contained in:
Antoine Pitrou 2010-11-05 21:15:39 +00:00
parent 4a5f9677f3
commit 243757eb79
6 changed files with 57 additions and 0 deletions
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14
Modules/_io/bufferedio.c
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@ -549,6 +549,15 @@ buffered_isatty(buffered *self, PyObject *args)
return PyObject_CallMethodObjArgs(self->raw, _PyIO_str_isatty, NULL);
}
/* Serialization */
static PyObject *
buffered_getstate(buffered *self, PyObject *args)
{
PyErr_Format(PyExc_TypeError,
"cannot serialize '%s' object", Py_TYPE(self)->tp_name);
return NULL;
}
/* Forward decls */
static PyObject *
@ -1489,6 +1498,7 @@ static PyMethodDef bufferedreader_methods[] = {
{"fileno", (PyCFunction)buffered_fileno, METH_NOARGS},
{"isatty", (PyCFunction)buffered_isatty, METH_NOARGS},
{"_dealloc_warn", (PyCFunction)buffered_dealloc_warn, METH_O},
{"__getstate__", (PyCFunction)buffered_getstate, METH_NOARGS},
{"read", (PyCFunction)buffered_read, METH_VARARGS},
{"peek", (PyCFunction)buffered_peek, METH_VARARGS},
@ -1872,6 +1882,7 @@ static PyMethodDef bufferedwriter_methods[] = {
{"fileno", (PyCFunction)buffered_fileno, METH_NOARGS},
{"isatty", (PyCFunction)buffered_isatty, METH_NOARGS},
{"_dealloc_warn", (PyCFunction)buffered_dealloc_warn, METH_O},
{"__getstate__", (PyCFunction)buffered_getstate, METH_NOARGS},
{"write", (PyCFunction)bufferedwriter_write, METH_VARARGS},
{"truncate", (PyCFunction)buffered_truncate, METH_VARARGS},
@ -2137,6 +2148,8 @@ static PyMethodDef bufferedrwpair_methods[] = {
{"close", (PyCFunction)bufferedrwpair_close, METH_NOARGS},
{"isatty", (PyCFunction)bufferedrwpair_isatty, METH_NOARGS},
{"__getstate__", (PyCFunction)buffered_getstate, METH_NOARGS},
{NULL, NULL}
};
@ -2257,6 +2270,7 @@ static PyMethodDef bufferedrandom_methods[] = {
{"fileno", (PyCFunction)buffered_fileno, METH_NOARGS},
{"isatty", (PyCFunction)buffered_isatty, METH_NOARGS},
{"_dealloc_warn", (PyCFunction)buffered_dealloc_warn, METH_O},
{"__getstate__", (PyCFunction)buffered_getstate, METH_NOARGS},
{"flush", (PyCFunction)buffered_flush, METH_NOARGS},