On Mar 27, 2007, at 12:30 PM, Jean-Paul Calderone wrote:
Python 2.5 includes sys._current_frames() which returns a mapping from thread identifiers to the frame objects which you might be able to use to learn what is going on. You can call this from your manhole prompt when you notice the system to have hung.
Great! Thanks. Still working on debugging this, but for other people who need to jump into a manhole for something like this in the future -- the following works well. ======= import sys import traceback def formatTraceback ( frameId , frameObj ): traceback_lines= traceback.format_stack( frameObj ) if not len(traceback_lines): return print "" print "----------------------------------------------------------------------- -----------" print ">> --- %s | %s ===================================" % ( frameId , frameObj ) print "".join(traceback_lines) print "<< --- %s | %s ===================================" % ( frameId , frameObj ) print "" def printCurrentStack(): frames= sys._current_frames() for frameId in frames: frameObj= frames[frameId] formatTraceback( frameId , frameObj ) printCurrentStack() // Jonathan Vanasco | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | FindMeOn.com - The cure for Multiple Web Personality Disorder | Web Identity Management and 3D Social Networking | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | RoadSound.com - Tools For Bands, Stuff For Fans | Collaborative Online Management And Syndication Tools | - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -