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huntzhan
V2EX  ›  Python

个人项目, magic-parameter, 传入参数类型检查

  •  
  •   huntzhan ·
    huntzhan · Apr 18, 2016 · 2755 views
    This topic created in 3706 days ago, the information mentioned may be changed or developed.

    项目地址: https://github.com/huntzhan/magic-parameter

    一句话概括: 周末倒腾出来的 prove of concept project, 可以帮你做传入参数的类型检查.

    简单的例子:

    from magic_parameter import class_init_parameter
    
    @class_init_parameter
    class Example(object):
    
        PARAMETERS = [
            ('a', int),
        ]
    
        def __init__(self):
            print(self.a)
    

    Runtime:

    In [8]: Example(1)
    1
    In [9]: Example(1.0)
    ---------------------------------------------------------------------------
    TypeError            
    ...
    TypeError: Rule:
    name: None
    type: <class 'int'>
    Arg: 1.0
    

    觉得好玩的给个 Star 呀.

    经过与 @RyanKung 讨论 后, 发现还有许多不足, 希望各位可以给点建设性的建议.

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