That works fine.
With direct rewriting of argv, there is no need to set args globaly for
PythonInterpreter and thus initialization can be:

>  PythonInterpreter.initialize(System.getProperties(),postProp,null);

which is a bit more clear codingwise.

Thanks for your help Jeff,
Michal

----- Original Message ----- 

>  You can change argv like this:
> 
>  import sys
>  sys.argv=['a','new','set','of','args']
> 
>  Or you could just replace the last one, if you need
>  the same flags for jythonc:
> 
>  sys.argv[-1]='newfile.py'
> 
>  You don't need to import main multiple times.  Your
>  code could be
> 
>  PythonInterpreter.initialize(System.getProperties(),postProp,new
>  String[]{"","--jar","g.jar","d:\\_p\\jin.py"});
>  PythonInterpreter pi = new PythonInterpreter();
>  pi.exec("import main");
>  pi.exec("main.main()");
>  pi.exec("import sys");
>  String[] extraFiles = {"file1.py","file2.py","file3.py"};
>  for (int i=0;i<extraFiles.length;++i) {
>    pi.exec("sys.argv[-1]='"+extraFiles[i]+"'");
>    pi.exec("main.main()");
>  }
> 
>  -----Original Message-----
> 
>  Good, have it working for one run now.
> 
>  code is:
>  -----------------------------
>  PythonInterpreter.initialize(System.getProperties(),postProp,new
>  String[]{"","--jar","g.jar","d:\\_p\\jin.py"});
>  PythonInterpreter pi = new PythonInterpreter();
>  pi.exec("import main");
>  pi.exec("main.main()");
>  -----------------------------
> 
>  But, it I need to run it with different paramteters on different files.
>  Trying to call PythonInterpreter.initialize() with different arguments
>  doesn't work, as it checks if it was initialized already and if so, it
>  returns immediatelly and doesn't set anything. Calling 'PythonInterpreter
>  pi2 = new PythonInterpreter();' doesn't help either.
> 
>  Is there a way, how to set argv in Python ?
>  So that my code would then be
> 
>  pi.exec(".......change argv ......");
> 
>  pi.exec("import main");
>  pi.exec("main.main()");
>  pi.exec(".......change argv ......");
> 
>  pi.exec("import main");
>  pi.exec("main.main()");
>  ......
> 
>  Michal
> 
>  ----- Original Message ----- 
>  >
>  > Then you probably need to prepend a dummy argv[0].
>  > When you start jython with a .py file, such as is
>  > done from the jython script, the name of the .py
>  > file is the first element of argv.  Your first element
>  > of argv is --jar.  The code is expecting the first
>  > argument to be the second element.  Try this:
>  >
> 
String[]{"jythonc.py","--jar","g.jar","--compiler","javac","d:\\_p\\jin.py"}




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