Python3 初学实践案例(10)对象转字典 object to dict 我在写代码的时候遇到一个问题,就是 sqlalchemy 从数据库中查的的结果是一个对象,我虽然可以直接把这个对象用 x.id 的方式取出来内容,但是总是感觉不爽,我希望可以更好的处理这个对象。但是打印出来的结果一直是 <__main__.Passwd object at 0x10ea50cc...
def obj_to_dict(obj): if hasattr(obj, '__dict__'): return obj.__dict__ raise TypeError(f'Object of type {obj.__class__.__name__} is not JSON serializable') person_dict = obj_to_dict(person) print(person_dict) # 输出: {'name': 'Alice', 'age': 30} 4. (可选) 处理...
defkeys(self):'''当对实例化对象使用dict(obj)的时候, 会调用这个方法,这里定义了字典的键, 其对应的值将以obj['name']的形式取,但是对象是不可以以这种方式取值的, 为了支持这种取值, 可以为类增加一个方法'''return('name','price','desc') def__getitem__(self, item):'''内置方法, 当使用obj[...
book1=Book("Python Crash Course","Eric Matthes",2015)book2=Book("Fluent Python","Luciano Ramalho",2015)library=Library([book1,book2])defobj_to_dict(obj):ifisinstance(obj,(str,int,float)):returnobjelifisinstance(obj,dict):return{key:obj_to_dict(value)forkey,valueinobj.items()}elifisins...
defobject_to_dict(obj):result=dict()forattrindir(obj):value=getattr(obj,attr)result[attr]=valuereturnresult 1. 2. 3. 4. 5. 6. 5. 示例 假设我们有一个名为Person的类,它有两个属性name和age,我们希望将一个Person对象转成字典。代码如下: ...
python list to dict keys=['name','age'] values=['lds',33] #获取list list_obj=list(zip(keys,values)) #list排序 list_obj=sorted(list_obj,key=lambda n:n[0]) print(list_obj) #转换为url连接字符串 url_str="" pattern_str="{0}={1}"...
(source, keys, values, valids) if todict: return sub else: r = object() r.__dict__.update(r) return rdef objectset(obj, source, keys = None): if type(obj) == dict: buf = object() buf.__dict__.update(obj) obj = buf elif not isinstance(obj, object): return obj if ...
https://github.com/Laerdal/python-objdictgen objdictgen includes tools to generate c code that works in tandem with a canfestival library. This tool has been built to work together with the Laerdal Medical fork for the canfestival library:...
dict-to-object 把python 字典转换成一个对象,可以使用.x和['x']来访问对象的属性 使用方法 fromdict_to_objimportdict_to_obj obj1 = dict_to_obj({'a':1,'b': {"w": []}}) print(obj1) print(obj1.a) print(obj1.b.w) print(obj1['a']) ...
obj, end = self.scan_once(s, idx) ValueError: Expecting property name: line 1 column 2 (char 1) 2、通过 eval >>> user_info = '{"name" : "john", "gender" : "male", "age": 28}' >>> user_dict = eval(user_info)