id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
99	itertools.count() overflows	Zooko	Brian Warner	"In defiance of the Python documentation, itertools.count() in Python 2.5.1 raises an overflow error if you call next() on it more than PY_SSIZE_T_MAX times (see attached stack trace).  Here is a patch which does the same thing but does the normal Python behavior of switching to longs as needed:

{{{
2008-10-13 15:38:38.816Z [-] Exception rendering error page:
2008-10-13 15:38:38.817Z [-] Unhandled Error
        Traceback (most recent call last):
          File ""/usr/lib/python2.5/site-packages/foolscap/eventual.py"", line 26, in _turn
            cb(*args, **kwargs)
          File ""/usr/lib/python2.5/site-packages/twisted/internet/defer.py"", line 239, in callback
            self._startRunCallbacks(result)
          File ""/usr/lib/python2.5/site-packages/twisted/internet/defer.py"", line 304, in _startRunCallbacks
            self._runCallbacks()
          File ""/usr/lib/python2.5/site-packages/twisted/internet/defer.py"", line 317, in _runCallbacks
            self.result = callback(self.result, *args, **kw)
        --- <exception caught here> ---
          File ""/var/lib/python-support/python2.5/nevow/appserver.py"", line 82, in processingFailed
            handler.renderHTTP_exception(ctx, reason)
          File ""/usr/lib/python2.5/site-packages/allmydata/web/common.py"", line 129, in renderHTTP_exception
            return super.renderHTTP_exception(self, ctx, f)
          File ""/var/lib/python-support/python2.5/nevow/appserver.py"", line 61, in renderHTTP_exception
            request.finishRequest( False )
          File ""/var/lib/python-support/python2.5/nevow/appserver.py"", line 171, in finishRequest
            server.Request.finish(self)
          File ""/usr/lib/python2.5/site-packages/twisted/web/server.py"", line 272, in finish
            http.Request.finish(self)
          File ""/usr/lib/python2.5/site-packages/twisted/web/http.py"", line 667, in finish
            self.channel.factory.log(self)
          File ""/var/lib/python-support/python2.5/nevow/appserver.py"", line 312, in log
            request._logger()
          File ""/usr/lib/python2.5/site-packages/allmydata/webish.py"", line 116, in _logger
            level=log.OPERATIONAL,
          File ""/usr/lib/python2.5/site-packages/foolscap/logging/log.py"", line 137, in msg
            num = self.seqnum.next()
        exceptions.OverflowError: cannot count beyond PY_SSIZE_T_MAX
}}}
"	defect	closed	major	0.3.2	logging	0.3.0	fixed	patch