Shell Action Execute Python in Oozie

Shell action can directly execute python program with param and module. Don't need include .sh file.

<action name="shell_action">

      <shell xmlns="uri:oozie:shell-action:0.2">

           <job-tracker>${jobTracker}</job-tracker>

           <name-node>${nameNode}</name-node>

           <prepare>

                 <delete path='${db_path}/${report_date}'/>

           </prepare>

           <configuration>

                <property>

                    <name>mapred.job.queue.name</name>

                    <value>${queueName}</value>

               </property>

           </configuration>

          <exec>python</exec>

          <argument>${python_script}</argument>

         <argument>${report_date}</argument>

         <argument>${db_path}</argument>

         <file>${python_path}</file>

          <file>${lib_path}</file>

          <capture-output/>

      </shell>

      <ok to="end"/>

      <error to="send_email"/>

 </action>