python.py 文件源码

def configure(conf):
    """
    Detect the python interpreter
    """
    v = conf.env
    v['PYTHON'] = Options.options.python or os.environ.get('PYTHON', sys.executable)
    if Options.options.pythondir:
        v['PYTHONDIR'] = Options.options.pythondir
    if Options.options.pythonarchdir:
        v['PYTHONARCHDIR'] = Options.options.pythonarchdir

    conf.find_program('python', var='PYTHON')

    v['PYFLAGS'] = ''
    v['PYFLAGS_OPT'] = '-O'

    v['PYC'] = getattr(Options.options, 'pyc', 1)
    v['PYO'] = getattr(Options.options, 'pyo', 1)

    try:
        v.PYTAG = conf.cmd_and_log(conf.env.PYTHON + ['-c', "import imp;print(imp.get_tag())"]).strip()
    except Errors.WafError:
        pass