Am Freitag, den 09.12.2005, 16:04 -0800 schrieb Andi Vajda: > On Fri, 9 Dec 2005, tsuraan wrote: > > > I read in the readme that you had to write the PythonThreads class to > > get around the differences between java (gcj) threading and python > > threading. My application exposes the functionality of lucene through > > the threaded soap server of SOAPpy, which (I assume :) doesn't use the > > PythonThreads class. Would I then, in the thread started by the soap > > server, just start another PythonThreads thread to do the actual > > lucene work? Can a PythonThread started from a normal thread work > > correctly with regards to not breaking lucene? That's the only big > > question I have right now. PyLucene looks really nice. > > For any threaded libgcj usage, the thread *has* to be started by > java.lang.Thread. This is a limitation of libgcj's garbage collector. The > author of the GC module, Hans Boehm, is aware of that problem and is working > on a fix. Earlier today, he posted this to the [EMAIL PROTECTED] mailing list: > http://gcc.gnu.org/ml/java/2005-12/msg00126.html > I don't expect a fix to show up in gcj in the near future - this bug is very > old - so, for the foreseeable future, threaded libgcj usage needs to work > around this. This workaround has nothing to do with python, the problem is > the > same with raw C or C++. > > The PyLucene.PythonThread class is a subclass of python's threading.Thread > class that delegates the actual starting of the OS thread to java.lang.Thread. > To python, this thread looks like one of its own. > > As for SOAP or Twisted or any other such python threaded networking server > software, there usually is a way to override the thread creation. For > example, > in twisted, we - Chandler at OSAF - created a custom thread pool that makes > PyLucene.PythonThread instances instead of threading.Thread ones.
One idea is to overwrite the names, early in the execution of your program: import threading, PyLucene threading.Thread = PyLucene.PythonThread Andreas > > Andi.. > _______________________________________________ > pylucene-dev mailing list > [email protected] > http://lists.osafoundation.org/mailman/listinfo/pylucene-dev
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