[cwctl] rewrite wsgi method choices
This will help devs to add new choices by adding their callback to WSGI_CHOICES.
Note:
``options`` becomes a property because ``wsgichoices()`` should be
evaluated at the last-minute.
@echo off
rem = """-*-Python-*- script
rem -------------------- DOS section --------------------
rem You could set PYTHONPATH or TK environment variables here
python -x "%~f0" %*
goto exit
"""
# -------------------- Python section --------------------
import sys
from os.path import join, dirname, normpath
sys.path.insert(0, normpath(join(dirname(__file__), '..', '..')))
from cubicweb.cwctl import run
run(sys.argv[1:])
DosExitLabel = """
:exit
rem """