I'm afraid of you can't, according to the code, it's implemented in
builtin_converters.cpp:
slot_rvalue_from_python();
Boost/Python using global registration only according type saw in C++, I
don't known is it possible to overrides these.
Dear list,
where does boost python define the from python converters for buildin
types such as double / PyLong_Type?
With the help of Changsheng Jiang I was able to modify
builtin_converters.hpp and was able to change a to python converter
for long double to produce numpy.float128. I do not find