view contrib/showstack.py @ 28461:b433233e25d9

convert: fix "stdlib import follows local import" problem in transport

Before this patch, import-checker reports error below for importing
subversion python binding libraries.

    stdlib import "svn.*" follows local import: mercurial

# showstack.py - extension to dump a Python stack trace on signal
#
# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)

import sys, signal, traceback

def sigshow(*args):
    sys.stderr.write("\n")
    traceback.print_stack(args[1], limit=10, file=sys.stderr)
    sys.stderr.write("----\n")

def extsetup(ui):
    signal.signal(signal.SIGQUIT, sigshow)
    try:
        signal.signal(signal.SIGINFO, sigshow)
    except AttributeError:
        pass