fabric好的写法

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fabric好的写法

  • 过滤fabfile中 私有函数 和 不可调用的函数
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    bad:
    cmds = dict([n for n in filter(lambda n: (n[0][0] != '_') and callable(n[1]), locals().items())])
    new:
    COMMANDS = {}
    def load(filename, **kvargs):
        "Load up the given fabfile."
        execfile(filename)
        for name, obj in locals().items():
            if not name.startswith('_') and isinstance(obj, types.FunctionType):
                COMMANDS[name] = obj