helpers.py 文件源码

def sample_environment():
    environment = Environment.create_standard()
    extras = {
        'variable': 20,
        'abc': None,
        'def': None,
        'add': operator.add,
        'subtract': operator.sub,
        'multiply': lambda x, y, z: x * y * z,
        'return10': lambda: 10,
        'x': 10,
        'y': 20,
        'z': 30,
        'foo': 100,
    }
    environment.define_batch_of(extras.items())
    return environment