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| author | Antoine Pitrou <solipsis@pitrou.net> | 2011-10-04 10:28:52 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <solipsis@pitrou.net> | 2011-10-04 10:28:52 (GMT) |
| commit | bf009f0bceb9057a44e30b1b397163663ec69634 (patch) | |
| tree | d89e05dcf2c20ee6bd1b76ffa7d869f1949d52d3 /Modules/_io | |
| parent | 5b99df68b08dc992a1b0b7784ce9f5410ecb8028 (diff) | |
| parent | 0fc80c0d5a76ed59f3db0b3f15e1e37ccc127ffb (diff) | |
| download | cpython-bf009f0bceb9057a44e30b1b397163663ec69634.zip cpython-bf009f0bceb9057a44e30b1b397163663ec69634.tar.gz cpython-bf009f0bceb9057a44e30b1b397163663ec69634.tar.bz2 | |
Issue #13087: BufferedReader.seek() now always raises UnsupportedOperation
if the underlying raw stream is unseekable, even if the seek could be
satisfied using the internal buffer. Patch by John OConnor.
Diffstat (limited to 'Modules/_io')
| -rw-r--r-- | Modules/_io/bufferedio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Modules/_io/bufferedio.c b/Modules/_io/bufferedio.c index a8631e0..b8043d4 100644 --- a/Modules/_io/bufferedio.c +++ b/Modules/_io/bufferedio.c @@ -1155,6 +1155,9 @@ buffered_seek(buffered *self, PyObject *args) CHECK_CLOSED(self, "seek of closed file") + if (_PyIOBase_check_seekable(self->raw, Py_True) == NULL) + return NULL; + target = PyNumber_AsOff_t(targetobj, PyExc_ValueError); if (target == -1 && PyErr_Occurred()) return NULL; |