On Jan 6, 6:29 am, Karen Tracey <kmtra...@gmail.com> wrote: > On Tue, Jan 5, 2010 at 2:22 PM, Patrick May <patrick....@codestreet.com>wrote: > > > > > > > On Jan 5, 2:18 pm, Karen Tracey <kmtra...@gmail.com> wrote: > > > On Tue, Jan 5, 2010 at 1:55 PM, Patrick May <patrick....@codestreet.com > > >wrote: > > > > > I’m running Django using mod_wsgi under Apache. I’m > > > > trying to write messages to the Apache error log with: > > > > > sys.stderr.write(‘Message…’) > > > > > but for some reason they don’t appear. This is under OS X (Snow > > Leopard). > > > > Do I have to configure something in httpd.conf to enable this? > > > > Do you also include sys.stderr.flush() ? > > > No, I thought that mod_wsgi did the flush automatically (from some > > reading on the web). > > That's not been my experience. Without an explicit call to .flush() I don't > see the data written to sys.stderr appearing in the log file immediately.
It should auto flush on a newline being output if using sys.stderr.write(). When using 'print >> sys.stderr', the 'print' adds a newline automatically and so many wouldn't realise that it is the newline that causes a flush to occur. Graham
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