<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Apr 5, 2011, at 4:04 PM, Bill Noon wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Menlo; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div>Ok. It is ticket 5028, <a href="http://twistedmatrix.com/trac/ticket/5028">http://twistedmatrix.com/trac/ticket/5028</a></div></span></blockquote><br></div><div>As exarkun already noted here: <<a href="http://twistedmatrix.com/trac/ticket/5028#comment:2">http://twistedmatrix.com/trac/ticket/5028#comment:2</a>>, this is caused by foolscap manipulating an attribute which probably shouldn't have been public in the first place, and *definitely* isn't mutable. This means that there are several other types of instrumentation which foolscap will break.</div><div><br></div><div>This is a popular ticket this week - I just mentioned it in another thread: <<a href="http://twistedmatrix.com/trac/ticket/3204">http://twistedmatrix.com/trac/ticket/3204</a>>. If foolscap needs to switch protocols mid-stream, it either needs to do what AMP does, or contribute a real fix for that ticket. (And then require a new version of Twisted :).)</div><div><br></div></body></html>