Merged revisions 80720 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r80720 | antoine.pitrou | 2010-05-03 18:25:33 +0200 (lun., 03 mai 2010) | 5 lines
Issue #7865: The close() method of :mod:`io` objects should not swallow
exceptions raised by the implicit flush(). Also ensure that calling
close() several times is supported. Patch by Pascal Chambon.
........
diff --git a/Modules/_io/bufferedio.c b/Modules/_io/bufferedio.c
index fb651a7..07fe0a1 100644
--- a/Modules/_io/bufferedio.c
+++ b/Modules/_io/bufferedio.c
@@ -440,11 +440,7 @@
res = PyObject_CallMethodObjArgs((PyObject *)self, _PyIO_str_flush, NULL);
ENTER_BUFFERED(self)
if (res == NULL) {
- /* If flush() fails, just give up */
- if (PyErr_ExceptionMatches(PyExc_IOError))
- PyErr_Clear();
- else
- goto end;
+ goto end;
}
Py_XDECREF(res);
diff --git a/Modules/_io/bytesio.c b/Modules/_io/bytesio.c
index 1482d82..4e78cd5 100644
--- a/Modules/_io/bytesio.c
+++ b/Modules/_io/bytesio.c
@@ -169,6 +169,7 @@
static PyObject *
bytesio_flush(bytesio *self)
{
+ CHECK_CLOSED(self);
Py_RETURN_NONE;
}
diff --git a/Modules/_io/iobase.c b/Modules/_io/iobase.c
index 271a41e..2d664ab 100644
--- a/Modules/_io/iobase.c
+++ b/Modules/_io/iobase.c
@@ -183,11 +183,7 @@
res = PyObject_CallMethodObjArgs(self, _PyIO_str_flush, NULL);
PyObject_SetAttrString(self, "__IOBase_closed", Py_True);
if (res == NULL) {
- /* If flush() fails, just give up */
- if (PyErr_ExceptionMatches(PyExc_IOError))
- PyErr_Clear();
- else
- return NULL;
+ return NULL;
}
Py_XDECREF(res);
Py_RETURN_NONE;
diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c
index 89d922c..b039c2f 100644
--- a/Modules/_io/textio.c
+++ b/Modules/_io/textio.c
@@ -2398,16 +2398,30 @@
textiowrapper_close(textio *self, PyObject *args)
{
PyObject *res;
+ int r;
CHECK_INITIALIZED(self);
- res = PyObject_CallMethod((PyObject *)self, "flush", NULL);
- if (res == NULL) {
- /* If flush() fails, just give up */
- PyErr_Clear();
- }
- else
- Py_DECREF(res);
- return PyObject_CallMethod(self->buffer, "close", NULL);
+ res = textiowrapper_closed_get(self, NULL);
+ if (res == NULL)
+ return NULL;
+ r = PyObject_IsTrue(res);
+ Py_DECREF(res);
+ if (r < 0)
+ return NULL;
+
+ if (r > 0) {
+ Py_RETURN_NONE; /* stream already closed */
+ }
+ else {
+ res = PyObject_CallMethod((PyObject *)self, "flush", NULL);
+ if (res == NULL) {
+ return NULL;
+ }
+ else
+ Py_DECREF(res);
+
+ return PyObject_CallMethod(self->buffer, "close", NULL);
+ }
}
static PyObject *