contrib/showstack.py

log: translate column labels at once (issue5750)

This makes sure that all columns are aligned. getlogcolumns() is hosted by
templatekw so the namespaces module can see it.

i18n/de.po is updated so test-log.t passes with no error. "obsolete:" and
"instability:" are kept untranslated.

# 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