[issue27867] various issues due to misuse of PySlice_GetIndicesEx

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Actually making slicing always working is easier than I expected. Maybe it is even easier than raise an error.

PySlice_GetIndicesEx() is split on two functions. First convert slice attributes to Py_ssize_t, then scale them to appropriate range depending on the length. Here is a sample patch.

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keywords: +patch
stage: needs patch -> patch review
Added file: http://bugs.python.org/file44279/slice_get_indices.patch

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