| #!/usr/bin/env python3 |
| import sys |
| sys.path.append('.') |
| |
| from example import Pet |
| from example import Dog |
| from example import dog_bark |
| from example import pet_print |
| |
| polly = Pet('Polly', 'parrot') |
| molly = Dog('Molly') |
| print(polly.name() + " is a " + polly.species()) |
| pet_print(polly) |
| print(molly.name() + " is a " + molly.species()) |
| pet_print(molly) |
| dog_bark(molly) |
| try: |
| dog_bark(polly) |
| except Exception as e: |
| print('The following error is expected: ' + str(e)) |
| |
| from example import test_callback1 |
| from example import test_callback2 |
| from example import test_callback3 |
| from example import test_callback4 |
| from example import test_callback5 |
| from example import Example5 |
| |
| def func1(): |
| print('Callback function 1 called!') |
| |
| def func2(a, b, c, d): |
| print('Callback function 2 called : ' + str(a) + ", " + str(b) + ", " + str(c) + ", "+ str(d)) |
| return c |
| |
| class MyCallback(Example5): |
| def __init__(self, value): |
| Example5.__init__(self, self, value) |
| |
| def callback(self, value1, value2): |
| print('got callback: %i %i' % (value1, value2)) |
| |
| print(test_callback1(func1)) |
| print(test_callback2(func2)) |
| |
| callback = MyCallback(3) |
| test_callback3(callback, 4) |
| |
| test_callback4(lambda i: i+1) |
| f = test_callback5() |
| print("func(43) = %i" % f(43)) |