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waf_old/docs/book/examples/configuration_dang/dang.py

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Python

#! /usr/bin/env python
# encoding: utf-8
print('→ loading the dang tool')
from waflib.Configure import conf
def options(opt):
opt.add_option('--dang', action='store', default='', dest='dang')
@conf
def read_dang(ctx):
ctx.start_msg('Checking for DANG')
if ctx.options.dang:
ctx.env.DANG = ctx.options.dang
ctx.end_msg(ctx.env.DANG)
else:
ctx.end_msg('DANG is not set')
def configure(ctx):
ctx.read_dang()