Precise Python Exception Messages

precise_exceptions.py

#!/bin/env python
"""
Exceptions that give more precise error messages.
"""
import sys, inspect


def main():
  try:
    # your application code

  except Exception, e:
    frame = inspect.trace()[-1]
    print >> sys.stderr, "Exception:\n  from %s, line %d:\n    %s" % (frame[1], frame[2], e)
    sys.exit(1)

  sys.exit(0)