<HR><A NAME="CLASS_PYTHONOBJECTINPUTSTREAM"><!-- --></A><H3>CLASS_PYTHONOBJECTINPUTSTREAM</H3><PRE>public static final java.lang.String <B>CLASS_PYTHONOBJECTINPUTSTREAM</B></PRE><DL><DD>the classname of the Python ObjectInputStream<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.core.Jython.CLASS_PYTHONOBJECTINPUTSTREAM">Constant Field Values</A></DL></DL><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="Jython()"><!-- --></A><H3>Jython</H3><PRE>public <B>Jython</B>()</PRE><DL><DD>default constructor, tries to instantiate a Python Interpreter<P></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="getInterpreter()"><!-- --></A><H3>getInterpreter</H3><PRE>public java.lang.Object <B>getInterpreter</B>()</PRE><DL><DD>returns the currently used Python Interpreter<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the interpreter, can be null</DL></DD></DL><HR><A NAME="invoke(java.lang.String, java.lang.Class[], java.lang.Object[])"><!-- --></A><H3>invoke</H3><PRE>public java.lang.Object <B>invoke</B>(java.lang.String&nbsp;methodName,                               java.lang.Class[]&nbsp;paramClasses,                               java.lang.Object[]&nbsp;paramValues)</PRE><DL><DD>executes the specified method on the current interpreter and returns the  result, if any<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>o</CODE> - the object the method should be called from,                                e.g., a Python Interpreter<DD><CODE>methodName</CODE> - the name of the method<DD><CODE>paramClasses</CODE> - the classes of the parameters<DD><CODE>paramValues</CODE> - the values of the parameters<DT><B>Returns:</B><DD>the return value of the method, if any (in that case null)</DL></DD></DL><HR><A NAME="isPresent()"><!-- --></A><H3>isPresent</H3><PRE>public static boolean <B>isPresent</B>()</PRE><DL><DD>returns whether the Jython classes are present or not, i.e. whether the  classes are in the classpath or not<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>whether the Jython classes are available</DL></DD></DL><HR><A NAME="newInterpreter()"><!-- --></A><H3>newInterpreter</H3><PRE>public static java.lang.Object <B>newInterpreter</B>()</PRE><DL><DD>initializes and returns a Python Interpreter<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the interpreter or null if Jython classes not present</DL></DD></DL><HR><A NAME="newInstance(java.io.File, java.lang.Class)"><!-- --></A><H3>newInstance</H3><PRE>public static java.lang.Object <B>newInstance</B>(java.io.File&nbsp;file,                                           java.lang.Class&nbsp;template)</PRE><DL><DD>loads the module and returns a new instance of it as instance of the provided Java class template.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>filename</CODE> - the path to the Jython module, incl. filename<DD><CODE>template</CODE> - the template for the returned Java object<DT><B>Returns:</B><DD>the Jython object</DL></DD></DL><HR><A NAME="newInstance(java.io.File, java.lang.Class, java.io.File[])"><!-- --></A><H3>newInstance</H3><PRE>public static java.lang.Object <B>newInstance</B>(java.io.File&nbsp;file,                                           java.lang.Class&nbsp;template,                                           java.io.File[]&nbsp;paths)</PRE><DL><DD>loads the module and returns a new instance of it as instance of the provided Java class template. The paths are added to 'sys.path' - can  be used if the module depends on other Jython modules.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>filename</CODE> - the path to the Jython module, incl. filename<DD><CODE>template</CODE> - the template for the returned Java object<DD><CODE>paths</CODE> - additional paths to add to "sys.path"<DT><B>Returns:</B><DD>the Jython object</DL></DD></DL><HR><A NAME="invoke(java.lang.Object, java.lang.String, java.lang.Class[], java.lang.Object[])"><!-- --></A><H3>invoke</H3><PRE>public static java.lang.Object <B>invoke</B>(java.lang.Object&nbsp;o,                                      java.lang.String&nbsp;methodName,                                      java.lang.Class[]&nbsp;paramClasses,                                      java.lang.Object[]&nbsp;paramValues)</PRE><DL><DD>executes the specified method and returns the result, if any<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>o</CODE> - the object the method should be called from,                                e.g., a Python Interpreter<DD><CODE>methodName</CODE> - the name of the method<DD><CODE>paramClasses</CODE> - the classes of the parameters<DD><CODE>paramValues</CODE> - the values of the parameters<DT><B>Returns:</B><DD>the return value of the method, if any (in that case null)</DL></DD></DL><HR><A NAME="deserialize(java.io.InputStream)"><!-- --></A><H3>deserialize</H3><PRE>public static java.lang.Object <B>deserialize</B>(java.io.InputStream&nbsp;in)</PRE><DL><DD>deserializes the Python Object from the stream<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>in</CODE> - the stream to use<DT><B>Returns:</B><DD>the deserialized object</DL></DD></DL><HR><A NAME="getRevision()"><!-- --></A><H3>getRevision</H3><PRE>public java.lang.String <B>getRevision</B>()</PRE><DL><DD>Returns the revision string.<P><DD><DL><DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/core/RevisionHandler.html#getRevision()">getRevision</A></CODE> in interface <CODE><A HREF="../../weka/core/RevisionHandler.html" title="interface in weka.core">RevisionHandler</A></CODE></DL></DD><DD><DL><DT><B>Returns:</B><DD>the revision</DL></DD></DL><HR><A NAME="main(java.lang.String[])"><!-- --></A><H3>main</H3><PRE>public static void <B>main</B>(java.lang.String[]&nbsp;args)</PRE><DL><DD>If no arguments are given, it just prints the presence of the Jython classes, otherwise it expects a Jython filename to execute.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>args</CODE> - commandline arguments</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">  <TR ALIGN="center" VALIGN="top">  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;<A HREF="../../weka/core/Javadoc.html" title="class in weka.core"><B>PREV CLASS</B></A>&nbsp;&nbsp;<A HREF="../../weka/core/JythonObject.html" title="interface in weka.core"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">  <A HREF="../../index.html?weka/core/Jython.html" target="_top"><B>FRAMES</B></A>  &nbsp;&nbsp;<A HREF="Jython.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;&nbsp;<SCRIPT type="text/javascript">  <!--  if(window==top) {    document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); 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