Main.py 文件源码

def _exec_main(parser, values):
    sconsflags = os.environ.get('SCONSFLAGS', '')
    all_args = sconsflags.split() + sys.argv[1:]

    options, args = parser.parse_args(all_args, values)

    if isinstance(options.debug, list) and "pdb" in options.debug:
        import pdb
        pdb.Pdb().runcall(_main, parser)
    elif options.profile_file:
        # compat layer imports "cProfile" for us if it's available.
        from profile import Profile

        prof = Profile()
        try:
            prof.runcall(_main, parser)
        finally:
            prof.dump_stats(options.profile_file)
    else:
        _main(parser)