iframe-proxy | Sunbelt Computer Software

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from multiprocessing import freeze_support
from multiprocessing.managers import BaseManager, BaseProxy
import operator
    def f(self):
        print('you called Foo.f()')
    def g(self):
        print('you called Foo.g()')
    def _h(self):
        print('you called Foo._h()')
# A simple generator function
    for i in range(10):
        yield i*i
# Proxy type for generator objects
class GeneratorProxy(BaseProxy):
    _exposed_ = ['__next__']
    def __iter__(self):
        return self
    def __next__(self):
        return self._callmethod('__next__')
# Function to return the operator module
def get_operator_module():
    return operator
class MyManager(BaseManager):
# register the Foo class; make `f()` and `g()` accessible via proxy
MyManager.register('Foo1', Foo)
# register the Foo class; make `g()` and `_h()` accessible via proxy
MyManager.register('Foo2', Foo, exposed=('g', '_h'))
# register the generator function baz; use `GeneratorProxy` to make proxies
MyManager.register('baz', baz, proxytype=GeneratorProxy)
# register get_operator_module(); make public functions accessible via proxy
MyManager.register('operator', get_operator_module)
def test():
    manager = MyManager()
    manager.start()
    print('-' * 20)
    f1 = manager.Foo1()
    assert not hasattr(f1, '_h')
    assert sorted(f1._exposed_) == sorted(['f', 'g'])
    print('-' * 20)
    f2 = manager.Foo2()
    f2._h()
    assert not hasattr(f2, 'f')
    assert sorted(f2._exposed_) == sorted(['g', '_h'])
    print('-' * 20)
    it = manager.baz()
    for i in it:
        print('<%d>' % i, end=' ')
    print()
    print('-' * 20)
    op = manager.operator()
    print('op.add(23, 45) =', op.add(23, 45))
    print('op.pow(2, 94) =', op.pow(2, 94))
    print('op._exposed_ =', op._exposed_)
if __name__ == '__main__':
    freeze_support()

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