def test05_pythonizer(self):
"""Implement and test a pythonizor"""
import cppyy
def pythonizor(klass, name):
if name == 'Integer2':
klass.__repr__ = lambda self: repr(self.m_data)
cppyy.py.add_pythonization(pythonizor, 'Math')
Integer2 = cppyy.gbl.Math.Integer2 # first time a new namespace is used, it can not be imported from
v = [Integer2(j) for j in range(10)]
assert str(v) == '[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]'
i2 = Integer2(13)
assert int(i2) == 13
def test06_add_operator(self):
"""Add operator+"""
import cppyy
cppyy.cppdef("""
namespace Math {
Integer2 operator+(const Integer2& left, const Integer1& right) {
return left.m_data + right.m_data;
}
}""")
from cppyy.gbl import Integer1
from cppyy.gbl.Math import Integer2
i = Integer1(42)
i2 = Integer2(13)
k = i2 + i
assert int(k) == i2.m_data + i.m_data