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makeDemo.py
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makeDemo.py
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#!/usr/bin/env python
#
# pyFlow - a lightweight parallel task engine
#
# Copyright (c) 2012-2017 Illumina, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
# WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
#
import os.path
import sys
# add module path by hand
#
scriptDir = os.path.abspath(os.path.dirname(__file__))
sys.path.append(scriptDir + "/../../src")
from pyflow import WorkflowRunner
# all pyflow workflows are written into classes derived from
# pyflow.WorkflowRunner:
#
class MakeWorkflow(WorkflowRunner) :
# a workflow is defined by overloading the
# WorkflowRunner.workflow() method:
#
def workflow(self) :
# This command 'configures' a makefile
#
self.addTask("task1", "cd %s; cp .hidden Makefile" % scriptDir)
# Sometimes you get to deal with make. The task below
# demonstates a make command which starts when the above task
# completes. Make tasks are specified as directories which
# contain a makefile. This task points to the direcotry of
# this demo script, which contains has a Makefile at the
# completion of task1.
# pyflow will switch the task command between make and qmake
# depending on run type.
#
self.addTask("make_task", scriptDir, isCommandMakePath=True, nCores=2, dependencies="task1")
# This command 'unconfigures' the makefile
#
self.addTask("task2", "rm -f %s/Makefile" % scriptDir, dependencies="make_task")
# Instantiate the workflow
#
# parameters are passed into the workflow via its constructor:
#
wflow = MakeWorkflow()
# Run the worklow:
#
retval = wflow.run(mode="local", nCores=8)
sys.exit(retval)