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Python code for flexible pipeline control
Python Other

pydpiper is a set of Python modules that offers programmatic control over pipelines.

It is very much under active development.

Classes for building and controling the pipeline can be found in pydpiper/ The location of the pipeline directory must be in the user's $PYTHONPATH.

The code for executing the pipeline can be found in

pydpiper supports config files (lowest precedence), environment variables, and command-line flags (highest precedence) in a mostly uniform way via the ConfigArgParse module. For examples, see the config directory; note that unlike the command line, values in key-value pairs must not be quoted (e.g., --queue-type=sge, not --queue-type='sge'). The config file should also be accessible to any remote machines. You can specify a default configuration file location (e.g., for a site-wide default) with the (otherwise undocumented) environment variable PYDPIPER_CONFIG_FILE.

sge_batch is a Perl script (written independently of this code) that is required to use the --queue-type=sge option currently written into pydpiper. It may be rewritten or moved to a separate subdirectory in the future. For now, this script should reside in a directory in the user's path.

You can use environment variables to override our configuration defaults for the underlying Pyro library, except for $PYRO_SERVERTYPE and $PYRO_LOGFILE; in particular, you may wish to change $PYRO_LOGLEVEL, since this also controls the verbosity of some of the application's own logging. See the Pyro4 documentation for more options.

Application modules that utilize the pipeline class definitions are currently in applications folder. These applications may be moved to a separate repository at a later date.

When your pipeline is running, you can verify the state of your pipeline using the following tool (as of version 1.8): uri

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