pipeline2dot

lsst.ctrl.mpexec.pipeline2dot(pipeline, file)

Convert Pipeline into GraphViz digraph.

This method is mostly for documentation/presentation purposes. Unlike other methods this method does not validate graph consistency.

Parameters:

pipeline : pipe.base.Pipeline

Pipeline description.

file : str or file object

File where GraphViz graph (DOT language) is written, can be a file name or file object.

Raises:

`OSError` is raised when output file cannot be open.

`ImportError` is raised when task class cannot be imported.

`MissingTaskFactoryError` is raised when TaskFactory is needed but not

provided.