tests/crashgetbundler.py

color: move 'write-err' logic to the core ui class

This is similar to what we needed for 'write', we move the logic from the
extension to the core class. Beside the dispatch to 'win32print', we just apply
label to the argument.

from __future__ import absolute_import

from mercurial.i18n import _
from mercurial import (
        changegroup,
        error,
        extensions
    )

def abort(orig, *args, **kwargs):
    raise error.Abort(_('this is an exercise'))

def uisetup(ui):
    extensions.wrapfunction(changegroup, 'getbundler', abort)