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Traceback of hanged process


Hello,

please, how do I create a pythonic traceback from a python process that
hangs and is not running in an interpreter that I executed manually
or it is but doesn't react on CTRL-C etc? I'm trying to debug a server
implemented in Python, so I need some analog of 'gdb attach' for C.

Unfortunatelly, googling and reading documentation revealed nothing, so
please excuse if this question is dumb.

Thank you,
Hynek Hanke
Jan 6 '07 #1
3 1285
On 6 ene, 19:45, Hynek Hanke <h...@brailcom.orgwrote:
please, how do I create a pythonic traceback from a python process that
hangs and is not running in an interpreter that I executed manually
or it is but doesn't react on CTRL-C etc? I'm trying to debug a server
implemented in Python, so I need some analog of 'gdb attach' for C.
On Windows, Pythonwin has an option "Break into running code".
Try starting the script with python -i, and send it a signal..

--
Gabriel Genellina

Jan 7 '07 #2
Hynek Hanke wrote:
Hello,

please, how do I create a pythonic traceback from a python process that
hangs and is not running in an interpreter that I executed manually
or it is but doesn't react on CTRL-C etc? I'm trying to debug a server
implemented in Python, so I need some analog of 'gdb attach' for C.

Unfortunatelly, googling and reading documentation revealed nothing, so
please excuse if this question is dumb.
In python2.5, you can run a background thread that listens on a port or
unix socket, and prints a formatted version of sys._current_frames() to
stderr.

-Mike

Jan 8 '07 #3
Klaas wrote:
Hynek Hanke wrote:
>Hello,

please, how do I create a pythonic traceback from a python process that
hangs and is not running in an interpreter that I executed manually
or it is but doesn't react on CTRL-C etc? I'm trying to debug a server
implemented in Python, so I need some analog of 'gdb attach' for C.
....
In python2.5, you can run a background thread that listens on a port or
unix socket, and prints a formatted version of sys._current_frames() to
stderr.
You can also use the signal module to similar effect. Works well in
Twisted, at least:

http://blog.vrplumber.com/835

HTH,
Mike

--
________________________________________________
Mike C. Fletcher
Designer, VR Plumber, Coder
http://www.vrplumber.com
http://blog.vrplumber.com

Jan 8 '07 #4

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