pybind11/example/example-virtual-functions.py

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#!/usr/bin/env python
from __future__ import print_function
import sys
sys.path.append('.')
from example import ExampleVirt, runExampleVirt, runExampleVirtVirtual, runExampleVirtBool
class ExtendedExampleVirt(ExampleVirt):
def __init__(self, state):
super(ExtendedExampleVirt, self).__init__(state + 1)
self.data = "Hello world"
def run(self, value):
print('ExtendedExampleVirt::run(%i), calling parent..' % value)
return super(ExtendedExampleVirt, self).run(value + 1)
def run_bool(self):
print('ExtendedExampleVirt::run_bool()')
return False
def pure_virtual(self):
print('ExtendedExampleVirt::pure_virtual(): %s' % self.data)
ex12 = ExampleVirt(10)
print(runExampleVirt(ex12, 20))
try:
runExampleVirtVirtual(ex12)
except Exception as e:
print("Caught expected exception: " + str(e))
ex12p = ExtendedExampleVirt(10)
print(runExampleVirt(ex12p, 20))
print(runExampleVirtBool(ex12p))
runExampleVirtVirtual(ex12p)