[Jython-dev] Lost SyntaxErrors (sometimes) in Jython 2.1 Alpha 1

[Rich S. <rse...@ya...>]

Hi,

I've been seeing a problem with Jython 2.1 alpha 1, where sometimes
SyntaxError exceptions are being lost. All we see at application startup
is an ImportError for a top level module. This is making it extremely
difficult to do development.

I don't have a test case for this, but I can probably come up with one
if you need it.

However, by running jdb I found the spot where these are being lost. 
In PyModule.java, there is a method called "impHook", which has the
following lines.

    private static PyObject impHook(String name) {
        if (silly_list == null) {
            silly_list = new PyTuple(new PyString[] {
                                     Py.newString("__doc__"),});
        }
        try {
            return __builtin__.__import__(name, null, null, silly_list);
        } catch(PyException e) {
            return null;
        }
    }

The SyntaxError gets caught here, and is never seen again. :-)

Is there a fix/workaround for this?

Thanks,


Rich
--
rse...@ya...






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