On Fri, Oct 15, 2004 at 11:16:19PM +0900, Austine Jane wrote:
> I am using PersistentList to hold instances of a subclass of Persistent.
> The instance of PersistentList is attached as an item in root dictionary.
>
> Whether I am using FileStorage or ClientStorage, the system breaks when
> there are more than a dozen of items in the PersistentList.

Yikes.  Something is badly wrong.

> Following tracebacks were made when I put in about twenty items in the list
> and stopped the client and restarted the client(the durus server was still
> running) to put another item. The error is reproducible and it happens
> always.
>
> traceback 1:
>
> Traceback (most recent call last):
>  File "c:\python23\Lib\site-packages\quixote\publish.py", line 522, in
> process_request
>    output = self.try_publish(request, env.get('PATH_INFO', ''))
>  File "c:\python23\Lib\site-packages\quixote\publish.py", line 457, in
> try_publish
>    output = object(request)
> [snip]
>  File "C:\PYTHON23\lib\site-packages\durus\file_storage.py", line 108, in
> __init__
>    self._build_index()
>  File "C:\PYTHON23\lib\site-packages\durus\file_storage.py", line 130, in
> _build_index
>    trecord = readn(self.fp, size)
>  File "C:\PYTHON23\lib\site-packages\durus\file_storage.py", line 16, in
> readn
>    s = fp.read(n)
> MemoryError

Would it be possible for you to provide sample code to reproduce
this problem?  We can try to run it on a Windows machine we have
here.

  Neil