Mercurial > hg
view contrib/showstack.py @ 41564:a5493a251ad3
attr: make some docstrings raw strings
This avoids a SyntaxWarning in Python 3.8 due to invalid
\ escapes.
Differential Revision: https://phab.mercurial-scm.org/D5817
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Mon, 04 Feb 2019 09:10:07 -0800 |
parents | 6dae1f31c6c9 |
children | 2372284d9457 |
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# showstack.py - extension to dump a Python stack trace on signal # # binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs) r"""dump stack trace when receiving SIGQUIT (Ctrl-\) or SIGINFO (Ctrl-T on BSDs) """ from __future__ import absolute_import, print_function import signal import sys import traceback def sigshow(*args): sys.stderr.write("\n") traceback.print_stack(args[1], limit=10, file=sys.stderr) sys.stderr.write("----\n") def sigexit(*args): sigshow(*args) print('alarm!') sys.exit(1) def extsetup(ui): signal.signal(signal.SIGQUIT, sigshow) signal.signal(signal.SIGALRM, sigexit) try: signal.signal(signal.SIGINFO, sigshow) except AttributeError: pass