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-rw-r--r--Lib/test/test_fileio.py1
-rw-r--r--Misc/NEWS3
-rw-r--r--Modules/_io/fileio.c7
3 files changed, 10 insertions, 1 deletions
diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py
index fa305da..e9281e3 100644
--- a/Lib/test/test_fileio.py
+++ b/Lib/test/test_fileio.py
@@ -342,6 +342,7 @@ class OtherFileTests(unittest.TestCase):
f.truncate(15)
self.assertEqual(f.tell(), 5)
self.assertEqual(f.seek(0, os.SEEK_END), 15)
+ f.close()
def testTruncateOnWindows(self):
def bug801631():
diff --git a/Misc/NEWS b/Misc/NEWS
index a1b5246..ce29e40 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -143,6 +143,9 @@ C-API
Library
-------
+- Issue #10253: FileIO leaks a file descriptor when trying to open a file
+ for append that isn't seekable. Patch by Brian Brazil.
+
- Issue #5027: The standard ``xml`` namespace is now understood by
xml.sax.saxutils.XMLGenerator as being bound to
http://www.w3.org/XML/1998/namespace. Patch by Troy J. Farrell.
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index f332ee4..a365c9f 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -364,8 +364,13 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
end of file (otherwise, it might be done only on the
first write()). */
PyObject *pos = portable_lseek(self->fd, NULL, 2);
- if (pos == NULL)
+ if (pos == NULL) {
+ if (closefd) {
+ close(self->fd);
+ self->fd = -1;
+ }
goto error;
+ }
Py_DECREF(pos);
}