=====================
The Pattern in Python
=====================

.. code-block:: python

    from typing import Callable
    import e2c

Configuration via DSL
=====================
The configuration determines the data flow.

.. code-block:: python

    config = (
         '.run -- action',
         'action.render -- render',
         'action.store -- store')

Actors
======
Each function represents an actor.

.. code-block:: python

    def action(data, render, store):
        render(data)
        print('%s in action' % data)
        store(1, data)

    def render(data:str):
        print('%s in render' % data)

    def store(id: int, data:str):
        print('%s and %d in store' % (data, id))

Graph
=======
.. code-block:: python

    graph = e2c.Graph(config)

    graph.actor('action', action)
    graph.actor('render', render)
    graph.actor('store', store)

Visualize
=========
.. code-block:: python

    graph.visualize()

.. image:: /_static/quickstart2.png
   :align: center

Run the flow
============
.. code-block:: python

    graph.run("Hello")

.. code-block:: bash

    $ Hello in render
    $ Hello in action
    $ Hello and 1 in store