annotate contrib/showstack.py @ 35467:d6cfa722b044

templater: look up mapping table through template engine

These functions are stub for symbol/resource separation. This series is
intended to address the following problems:

 a) internal data may be exposed to user (issue5699)
 b) defaults['repo'] (a repository name) will conflict with mapping['repo']
    (a repo object) in hgweb

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

from __future__ import absolute_import
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 extsetup(ui):
    signal.signal(signal.SIGQUIT, sigshow)
    try:
        signal.signal(signal.SIGINFO, sigshow)
    except AttributeError:
        pass