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5.1. Graph
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.. module:: graph

.. function:: run_dot(pipe, filename)

    Run dot program, which transfers dot language to graph image.

    :param pipe: Pipe with do script.
    :param filename: Path to a file in which the image will be created.

.. function:: draw_graph(filename)

    Draw graph to a filename from the mkfile (that should be already imported).

    :param filename: Path to a file in which the image will be created.

.. function:: draw_done_task_graph(filename, tasks)

    Draw graph of done tasks to a filename.

    :param filename: Path to a file in which the image will be created.
    :param task: Task which will be drawed.