使用 py 去调用 restful 过程中产生的一些问题. - V2EX
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coolerku

使用 py 去调用 restful 过程中产生的一些问题.

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  •   coolerku Jul 17, 2017 2272 views
    This topic created in 3209 days ago, the information mentioned may be changed or developed.

    大家好,py 新手一个. 因工作需要,最近在用 py 的 requests 去调用一个系统的 restful api,写的过程中有些小疑问.同时也深感自己 py 功力的不足. 希望路过的大佬能就下面的问题,例子指点下 .多多包涵, 谢谢!

    1. 像 TestA 下 create 方法中的 data 参数, 目前指定了几个参数. 但是个人考虑到将来可能需要操作到其他参数, 打算先定义好一个 dict, 里面包括所有官方参数及对应默认值(平均 20-30 个参数吧).如果用户有输入某个指定参数,则有**kwargs 接收该参数,然后更新这个 dict. 然后不用 data. 请问各位大佬这样写好吗?或者有什么好的建议呢??

    2. 对于这个调用的 py, 个人思路是写一个通用的父类方法, 然后子类去继承. 再根据不同对象,更新不同的参数, 最后直接调用该子类即可.但是发现好像老是在重复写一些东西, 感觉不简洁, 很笨.麻烦大佬就下面的代码指点下, 应该从哪些方面来优化下. 或者说下小弟的不足之处, 指点下学习的方向.

    附简易代码 (命名临时随便写的) :

    # 通用方法

    class Base(object): def read(self, module_name, data, object_name=None, key_name=None): url = self.generate_addr(module_name, object_name, key_name) res = self.session.get(url) return res def create(self, module_name, data, object_name=None, key_name=None): url = self.generate_addr(module_name, object_name, key_name) res = self.session.post(url, data=data) return res 

    # 具体对象

    class TestA(Base): def __init__(self, address, **kwargs): super(TestA, self).__init__(address, **kwargs) elf.test_module = 'test' def read(self, **kwargs): url = self.generate_addr(self.test_module, **kwargs) res = self.session.get(url) return res def create(self, data, **kwargs): # 用于生成系统所需的数据 def create_data(data): def data_one(): payload = {'b':'2'} payload['a'] = data['1'] return {'module_name':self.test_module, 'payload':payload, 'key_index':None} def data_two(): module_name = 'another_test' payload = {} payload['a1'] = data['1'] key_index = 1 return {'module_name':module_name, 'payload':payload, 'key_index':key_index} return data_one(), data_two() items = create_data(data) # 此处有想过用列表生成式, 但感觉不好写 res_dict = [] for item in items: url = self.generate_addr(item['module_name'],key_name=item['key_index']) res = self.session.post(url, data=item['payload']) res_dict.append(res) return res_dict 
    1 replies    2017-07-17 20:16:32 +08:00
    coolerku
        1
    coolerku  
    OP
       Jul 17, 2017 via iPhone
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