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Project Description

Tipper is a small utility for dumping stack tracebacks of running Python processes.

Included is a module that, when imported, installs a signal handler for SIGUSR1. Running kill -SIGUSR1 [pid] will cause the process to dump the current stack trace of each thread to $TMPDIR/tipper-[unix timestamp]-[parent pid]-[pid].log.

Tipper can also be used as Django application, though it has no dependencies on Django itself.

Python 2.5 or newer is required. Python 3.x is also supported.



To take Tipper for a test drive, first install Tipper:

$ pip install tipper

Set up a Python process to inspect:

$ cat > <<EOF
> import os, sys, time, tipper
> sys.stdout.write('%s\n' % os.getpid())
> while True:
>     time.sleep(1)
$ python

And send SIGUSR1 to it:

$ kill -SIGUSR1 945

You should end up with a file in $TMPDIR that looks like the following:

$ cat "$TMPDIR/tipper-1292830152.19-681-945.log"
Date: 2010-12-20 18:29:12.192733
Parent process ID: 681
Process ID: 945

Traceback (thread 140048470763264):

  File "", line 4, in <module>

      Arguments: <module>()
      Local variables:

      {'__builtins__': <module '__builtin__' (built-in)>,
       '__doc__': None,
       '__file__': '',
       '__name__': '__main__',
       '__package__': None,
       'os': <module 'os' from '/usr/lib/python2.6/os.pyc'>,
       'sys': <module 'sys' (built-in)>,
       'time': <module 'time' (built-in)>,
       'tipper': <module 'tipper' from '/usr/local/lib/python2.6/dist-packages/tipper/'>}

To get a briefer overview of the log, you can use grep:

$ grep -v '^      \|^$' "$TMPDIR/tipper-1292830152.19-681-945.log"
Date: 2010-12-20 18:29:12.192733
Parent process ID: 681
Process ID: 945
Traceback (thread 140048470763264):
  File "", line 4, in <module>


Version 0.1 (Dec. 20, 2010)

  • Initial release.


Download the official development repository using Mercurial:

hg clone

Visit Bitbucket if you’d like to fork the project, watch for new changes, or report issues.

Release History

Release History


This version

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TODO: Figure out how to actually get changelog content.

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Download Files

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TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
tipper-0.1.tar.gz (4.0 kB) Copy SHA256 Checksum SHA256 Source Mar 31, 2013

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