[Cython] DEF converts byte strings to unicode

DEF silently converts byte strings to Unicode strings: $ cat testcase.pyx DEF ABYTE = b'a' print type(ABYTE) $ python --version Python 2.7.10 $ python -c 'import pyximport as p; p.install(); import testcase' Tested with Cython 0.23.1. -- Jakub Wilk __

[Cython] Compiler crash in MarkOverflowingArithmetic

Tested with Cython 0.23.1 on i386. You will probably need a bigger number to trigger it on a 64-bit machine. $ cython test.pyx Error compiling Cython file: ... DEF X = 0x811C9DC5 cdef void f(): cdef unsigned int x = X ^