[Jython-users] programmatically importing pkg.subpkg.* into a namespace

[leon j. b. <lj...@ne...>]

hi,

i need to make all the classes in a specific package available
to Jython script code without the code having to qualify the
class names.

this is what i currently do to do the import:

    /**
     * @see   ScriptingEngine#importClass(String, Object)
     * @since 1.1.0
     */
    public void importClass(String name, Object namespace) 
        throws ScriptingException
    {
        namespace = namespace == null ? module.__dict__ : namespace;
        if (!(namespace instanceof PyStringMap)) {
            throw new ScriptingException("Namespace is not a valid Python namespace");
        }
        try {
            __builtin__.__import__(name, module.__dict__, (PyStringMap)namespace);
        } catch (PyException e) {
            throw new ScriptingException(e, "Could not import \"" + name + "\"");
        }
    }

and this gets invoked after the namespace for the script has been created.

this is how scripts are compiled:

    /**
     * @see   ScriptingEngine#compile(String)
     * @since 1.1.0
     */
    public Object compile(String code) throws ScriptingException {
        try {
            PyCode cobj = 
                Py.compile_flags(
                    code,
                    STRING_FILE_NAME,
                    TYPE_EXEC,
                    null);
            return cobj;
        } catch (PyException e) {
            throw new ScriptingException(e, "Could not compile Python code");
        }
    }

and this is how they are run:

    /**
     * @see   ScriptingEngine#run(Object, Object)
     * @since 1.1.0
     */
    public Object run(Object obj, Object namespace) 
        throws ScriptingException 
    {
        if (!(obj instanceof PyCode)) {
            throw new ScriptingException("Object is not compiled Python code");
        }
        if ((namespace != null) && (!(namespace instanceof PyStringMap))) {
            throw new ScriptingException("Namespace is not a valid Python namespace");
        }
        
        try {
            namespace = namespace == null ? module.__dict__ : namespace;
            return Py.runCode((PyCode)obj, (PyStringMap)namespace, module.__dict__);
        } catch (PyException e) {
            throw new ScriptingException(e, "Could not run Python code");
        }
    }

the namespace passed to importClass() is the same as the namespace
the run() method takes.

but i still get NameErrors in the actual scripts.
what is the programmatic (in Java) equivalent of "from package import *"?

thanks,
leon.

-- 
lj...@ne... :: +27.82.7890445
>> don't play in the kiln.