Method pipe_reader

Lib/test/test_io/test_general.py:169–172

()

        # support these operations.

        def pipe_reader():
            [r, w] = os.pipe()
            os.close(w)  # So that read() is harmless
            return self.FileIO(r, "r")

        def pipe_writer():
            [r, w] = os.pipe()