[issue28765] _sre.compile(): be more strict on types of indexgroup and groupindex

[STINNER Victor]

STINNER Victor added the comment:

sre_compile_remove_groups.patch removes the groups parameter from _sre.compile(). A first step to simplify the API.

I prefer to keep most of the code in pure Python, to have code easier to maintain. So I prefer to not accept only groupindex. I prefer to build both (indexgroup, groupindex) in pure Python and pass them to the C code.

I pushed my patch sre_types.patch.

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<http://bugs.python.org/issue28765>
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