Class PythonExec

  • All Implemented Interfaces:
    AdditionalInformationHandler, CleanUpHandler, Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, QuickInfoSupporter, ShallowCopySupporter<Actor>, SizeOfHandler, Stoppable, StoppableWithFeedback, VariablesInspectionHandler, VariableChangeListener, Actor, ErrorHandler, OutputProducer, com.github.fracpete.processoutput4j.core.StreamingProcessOwner, Serializable, Comparable

    public class PythonExec
    extends AbstractPythonExecution
    Executes the specified Python script with the specified options and broadcasts the generated output (stdout and/or stderr) continuously.

    Input/output:
    - generates:
       java.lang.String


    -logging-level <OFF|SEVERE|WARNING|INFO|CONFIG|FINE|FINER|FINEST> (property: loggingLevel)
        The logging level for outputting errors and debugging output.
        default: WARNING
     
    -name <java.lang.String> (property: name)
        The name of the actor.
        default: PythonExec
     
    -annotation <adams.core.base.BaseAnnotation> (property: annotations)
        The annotations to attach to this actor.
        default:
     
    -skip <boolean> (property: skip)
        If set to true, transformation is skipped and the input token is just forwarded
        as it is.
        default: false
     
    -stop-flow-on-error <boolean> (property: stopFlowOnError)
        If set to true, the flow execution at this level gets stopped in case this
        actor encounters an error; the error gets propagated; useful for critical
        actors.
        default: false
     
    -silent <boolean> (property: silent)
        If enabled, then no errors are output in the console; Note: the enclosing
        actor handler must have this enabled as well.
        default: false
     
    -output-type <STDOUT|STDERR|BOTH> (property: outputType)
        Determines the output type; if BOTH is selected then an array is output
        with stdout as first element and stderr as second
        default: STDOUT
     
    -prefix-stdout <java.lang.String> (property: prefixStdOut)
        The (optional) prefix to use for output from stdout.
        default:
     
    -prefix-stderr <java.lang.String> (property: prefixStdErr)
        The (optional) prefix to use for output from stderr.
        default:
     
    -time-out <int> (property: timeOut)
        The maximum time in seconds for the process to run before getting killed,
         ignored if less than 1.
        default: -1
        minimum: -1
     
    -script <adams.core.io.PlaceholderFile> (property: script)
        The Python command to run.
        default: ${CWD}
     
    -script-options <adams.core.base.BaseText> (property: scriptOptions)
        The command-line options for the script.
        default:
     
    -working-directory <java.lang.String> (property: workingDirectory)
        The current working directory for the command.
        default:
     
    -placeholder <boolean> (property: optionsContainPlaceholder)
        Set this to true to enable automatic placeholder expansion for the option
        string.
        default: false
     
    -variable <boolean> (property: optionsContainVariable)
        Set this to true to enable automatic variable expansion for the option string.
        default: false
     
    Author:
    fracpete (fracpete at waikato dot ac dot nz)
    See Also:
    Serialized Form
    • Field Detail

      • m_ScriptOptions

        protected BaseText m_ScriptOptions
        the options for the script.
      • m_WorkingDirectory

        protected String m_WorkingDirectory
        the current working directory.
      • m_OptionsContainPlaceholder

        protected boolean m_OptionsContainPlaceholder
        whether the options contain placeholders, which need to be expanded first.
      • m_OptionsContainVariable

        protected boolean m_OptionsContainVariable
        whether the options contain variables, which need to be expanded first.
    • Constructor Detail

      • PythonExec

        public PythonExec()
    • Method Detail

      • setScript

        public void setScript​(PlaceholderFile value)
        Sets the Python script to run.
        Parameters:
        value - the script
      • getScript

        public PlaceholderFile getScript()
        Returns the Python script to run.
        Returns:
        the script
      • scriptTipText

        public String scriptTipText()
        Returns the tip text for this property.
        Returns:
        tip text for this property suitable for displaying in the GUI or for listing the options.
      • setScriptOptions

        public void setScriptOptions​(BaseText value)
        Sets the command-line options for the script.
        Parameters:
        value - the options
      • getScriptOptions

        public BaseText getScriptOptions()
        Returns the command-line options for the script.
        Returns:
        the options
      • scriptOptionsTipText

        public String scriptOptionsTipText()
        Returns the tip text for this property.
        Returns:
        tip text for this property suitable for displaying in the GUI or for listing the options.
      • setWorkingDirectory

        public void setWorkingDirectory​(String value)
        Sets the current working directory for the command.
        Parameters:
        value - the directory, ignored if empty
      • getWorkingDirectory

        public String getWorkingDirectory()
        Returns the current working directory for the command.
        Returns:
        the directory, ignored if empty
      • workingDirectoryTipText

        public String workingDirectoryTipText()
        Returns the tip text for this property.
        Returns:
        tip text for this property suitable for displaying in the GUI or for listing the options.
      • setOptionsContainPlaceholder

        public void setOptionsContainPlaceholder​(boolean value)
        Sets whether the option string contains placeholders which need to be expanded first.
        Parameters:
        value - true if option string contains placeholders
      • getOptionsContainPlaceholder

        public boolean getOptionsContainPlaceholder()
        Returns whether the option string contains placeholders which need to be expanded first.
        Returns:
        true if command string contains placeholders
      • optionsContainPlaceholderTipText

        public String optionsContainPlaceholderTipText()
        Returns the tip text for this property.
        Returns:
        tip text for this property suitable for displaying in the GUI or for listing the options.
      • setOptionsContainVariable

        public void setOptionsContainVariable​(boolean value)
        Sets whether the option string contains variables which need to be expanded first.
        Parameters:
        value - true if option string contains variables
      • getOptionsContainVariable

        public boolean getOptionsContainVariable()
        Returns whether the option string contains variables which need to be expanded first.
        Returns:
        true if option string contains variables
      • optionsContainVariableTipText

        public String optionsContainVariableTipText()
        Returns the tip text for this property.
        Returns:
        tip text for this property suitable for displaying in the GUI or for listing the options.
      • doExecute

        protected String doExecute()
        Executes the flow item.
        Specified by:
        doExecute in class AbstractActor
        Returns:
        null if everything is fine, otherwise error message