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bpo-25455: Fixed crashes in repr of recursive buffered file-like objects. (#514)

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Serhiy Storchaka 2017-03-19 19:25:29 +02:00 • committed by GitHub
parent 77ed11552d
commit a5af6e1af7
6 changed files with 74 additions and 9 deletions
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16
Modules/_io/fileio.c
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@ -1082,9 +1082,19 @@ fileio_repr(fileio *self)
self->fd, mode_string(self), self->closefd ? "True" : "False");
}
else {
res = PyUnicode_FromFormat(
"<_io.FileIO name=%R mode='%s' closefd=%s>",
nameobj, mode_string(self), self->closefd ? "True" : "False");
int status = Py_ReprEnter((PyObject *)self);
res = NULL;
if (status == 0) {
res = PyUnicode_FromFormat(
"<_io.FileIO name=%R mode='%s' closefd=%s>",
nameobj, mode_string(self), self->closefd ? "True" : "False");
Py_ReprLeave((PyObject *)self);
}
else if (status > 0) {
PyErr_Format(PyExc_RuntimeError,
"reentrant call inside %s.__repr__",
Py_TYPE(self)->tp_name);
}
Py_DECREF(nameobj);
}
return res;