"""
This example shows how to add new command to "Shell" build step
"""

import xml.etree.ElementTree as et
from jenkinsapi.jenkins import Jenkins

J = Jenkins("http://localhost:8080")
EMPTY_JOB_CONFIG = """
<?xml version='1.0' encoding='UTF-8'?>
<project>
  <actions>jkkjjk</actions>
  <description></description>
  <keepDependencies>false</keepDependencies>
  <properties/>
  <scm class="hudson.scm.NullSCM"/>
  <canRoam>true</canRoam>
  <disabled>false</disabled>
  <blockBuildWhenDownstreamBuilding>false</blockBuildWhenDownstreamBuilding>
  <blockBuildWhenUpstreamBuilding>false</blockBuildWhenUpstreamBuilding>
  <triggers class="vector"/>
  <concurrentBuild>false</concurrentBuild>
  <builders/>
  <publishers/>
  <buildWrappers/>
</project>
"""

jobname = "foo_job"
new_job = J.create_job(jobname, EMPTY_JOB_CONFIG)
new_conf = new_job.get_config()

root = et.fromstring(new_conf.strip())

builders = root.find("builders")
shell = et.SubElement(builders, "hudson.tasks.Shell")
command = et.SubElement(shell, "command")
command.text = "ls"

print(et.tostring(root))
J[jobname].update_config(et.tostring(root))