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Dave Willmer
2017-04-22 22:54:35 +02:00
parent 061255bf99
commit 42519ab468
1 changed files with 4 additions and 4 deletions
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docs/tutorial/tut01.rst
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@ -15,7 +15,7 @@ Let's write a first data transformation
We'll start with the simplest transformation possible. We'll start with the simplest transformation possible.
In **Bonobo**, a transformation is a plain old python callable, not more, not less. Let's write one that takes a string In **Bonobo**, a transformation is a plain old python callable, not more, not less. Let's write one that takes a string
and uppercase it. and uppercases it.
.. code-block:: python .. code-block:: python
@ -113,12 +113,12 @@ Concepts and definitions
by yielding values (a.k.a returning a generator). by yielding values (a.k.a returning a generator).
* Transformation graph (or Graph): a set of transformations tied together in a :class:`bonobo.Graph` instance, which is a simple * Transformation graph (or Graph): a set of transformations tied together in a :class:`bonobo.Graph` instance, which is a simple
directed acyclic graph (also refered as a DAG, sometimes). directed acyclic graph (also refered as a DAG, sometimes).
* Node: a transformation within the context of a transformation graph. The node defines what to do whith a * Node: a transformation within the context of a transformation graph. The node defines what to do with a
transformation's output, and especially what other node to feed with the output. transformation's output, and especially what other nodes to feed with the output.
* Execution strategy (or strategy): a way to run a transformation graph. It's responsibility is mainly to parallelize * Execution strategy (or strategy): a way to run a transformation graph. It's responsibility is mainly to parallelize
(or not) the transformations, on one or more process and/or computer, and to setup the right queuing mechanism for (or not) the transformations, on one or more process and/or computer, and to setup the right queuing mechanism for
transformations' inputs and outputs. transformations' inputs and outputs.
* Execution context (or context): a wrapper around a node that holds the state for it. If the node need the state, there * Execution context (or context): a wrapper around a node that holds the state for it. If the node needs state, there
are tools available in bonobo to feed it to the transformation using additional call parameters, and so every are tools available in bonobo to feed it to the transformation using additional call parameters, and so every
transformation will be atomic. transformation will be atomic.