[Zope-dev] Re: AccessControl Problems on Mac OSX

[Casey Duncan]

It looks like this bug was closed due to lack of feedback from the
original poster. I would suggest opening a new collector issue and
reference that one if you think it is the same issue (it certainly
appears to be on the surface).

The collector issue would stand a much better chance of being acted on
if you also submit a patch with a cooresponding unittest that fails on
Mac OS X with the current implementation.

-Casey

On Thu, 8 Jul 2004 15:12:13 +1000 (EST)
Terry Kerr [EMAIL PROTECTED] wrote:

 Hi,
 
 I seem to be having problems relating to AccessControl on MacOSX.  I
 have a python product which I previously ran in Zope2.4.3/Python 2.1.3
 and have upgraded it to run in Zope2.7.1/Python2.3.3.  It runs fine on
 Linux and FreeBSD, however I get this traceback with some actions
 within the product on Mac OSX 10.1
 
   Module Products.PageTemplates.Expressions, line 201, in __call__
 
   Module Products.PageTemplates.Expressions, line 189, in _eval
 
   Module Products.PageTemplates.Expressions, line 145, in _eval
 __traceback_info__: shopper
 
   Module Products.PageTemplates.Expressions, line 340, in
   restrictedTraverse
 __traceback_info__: {'path': ['name'], 'TraversalRequestNameStack':
 []}
 
 SystemError: NULL result without error in PyObject_Call
 
 
 
 I narrowed this down to a guarded_getattr() problem in the
 AccessControl module.  One thing I notice is that there is a C and a
 Python implementation of the access control stuff.
 
 If I explicitly set name='PYTHON' at the beginning of
 AccessControl/Implementation.py::setImplementation(), my product works
 fine, so I gather the problem is related to the C implementation.
 
 Has anyone experienced any similar problems on MacOSX?
 
 I notice this related issue in the zope collector, but it was
 rejected? http://zope.org/Collectors/Zope/232
 
 Should I add another issue to the collector?
 
 terry
 
 
 
 
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[Zope-dev] Streaming large files

[Thilo Staebler]

hi!
I have to stream large mpeg-files over http with range support. this 
works quite nice until the client seeks in the (media)player and the 
files aren't to large, because zope caches the whole file...
...so each seek means streaming the whole file from the requested 
position till end *g*
- my RESPONSE object doesn't even know, that the player has seeked e.g. 
back to the beginning...
is there a way to bypass the zope caching? and how do I know if the 
player has disconnected, so I can stop streaming?

thanks in advance
thilo
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