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author | Brett Cannon <bcannon@gmail.com> | 2006-09-20 18:43:13 (GMT) |
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committer | Brett Cannon <bcannon@gmail.com> | 2006-09-20 18:43:13 (GMT) |
commit | f6aa86e33ba5b29ff9bd442e80e196746b5d2424 (patch) | |
tree | c18f8bff130bd21d2664910a06d303e8282bcb1f | |
parent | 9adeab7b967069b2722c8a163f3404616b62b8e2 (diff) | |
download | cpython-f6aa86e33ba5b29ff9bd442e80e196746b5d2424.zip cpython-f6aa86e33ba5b29ff9bd442e80e196746b5d2424.tar.gz cpython-f6aa86e33ba5b29ff9bd442e80e196746b5d2424.tar.bz2 |
Allow exceptions to be directly sliced again
(e.g., ``BaseException(1,2,3)[0:2]``).
Discovered in Python 2.5.0 by Thomas Heller and reported to python-dev. This
should be backported to 2.5 .
-rw-r--r-- | Misc/NEWS | 2 | ||||
-rw-r--r-- | Objects/exceptions.c | 9 |
2 files changed, 10 insertions, 1 deletions
@@ -12,6 +12,8 @@ What's New in Python 2.6 alpha 1? Core and builtins ----------------- +- Allow exception instances to be directly sliced again. + - Bug #1551432: Exceptions do not define an explicit __unicode__ method. This allows calling unicode() on exceptions classes directly to succeed. diff --git a/Objects/exceptions.c b/Objects/exceptions.c index fda2ab1..bfe28a9 100644 --- a/Objects/exceptions.c +++ b/Objects/exceptions.c @@ -190,12 +190,19 @@ BaseException_getitem(PyBaseExceptionObject *self, Py_ssize_t index) return PySequence_GetItem(self->args, index); } +static PyObject * +BaseException_getslice(PyBaseExceptionObject *self, + Py_ssize_t start, Py_ssize_t stop) +{ + return PySequence_GetSlice(self->args, start, stop); +} + static PySequenceMethods BaseException_as_sequence = { 0, /* sq_length; */ 0, /* sq_concat; */ 0, /* sq_repeat; */ (ssizeargfunc)BaseException_getitem, /* sq_item; */ - 0, /* sq_slice; */ + (ssizessizeargfunc)BaseException_getslice, /* sq_slice; */ 0, /* sq_ass_item; */ 0, /* sq_ass_slice; */ 0, /* sq_contains; */ |