Python的内置 json 模块只能处理具有直接 JSON 等价物的Python 基元类型(例如,str、int、float、bool、None等)。 如果Python 字典包含一个自定义 Python 对象作为键之一,并且如果我们尝试将其转换为 JSON 格式,你将得到一个 TypeError 即Object of type "Your Class" is not JSON serializable....
TypeError: Decimal('1457501') is not JSON serializable 在使用json的时候经常会遇到xxx is not JSON serializable,也就是无法序列化某些对象 import decimal class DecimalEncoder(json.JSONEncoder): def default(self, o): if isinstance(o, decimal.Decimal): return float(o) super(DecimalEncoder, self).def...
报错:'0.80454153 is not JSON serializable' 输出y_pred_prob的类别:<type 'numpy.float32'> 参考https://stackoverflow.com/questions/27050108/convert-numpy-type-to-python/27050186#27050186中类似问题的解决方案,有个回答中提到: Ultimately, it looks likejsonis telling you that anintisn't serializable, ...
python代码 import json import numpy as np data = {} data['code'] = 0 data['reading'] = '123,456,789' data['total'] = [np.array(3), np.array(4)] encode_json = json.dumps(data) 1. 2. 3. 4. 5. 6. 7. 问题 data数据中有numpy格式的数据,所以json不能编码 解决 转换成python...
TypeError: Object of type <class_name> is not JSON serializable 这个错误通常表示Python对象无法被...
我正在尝试从 python 向 json 文件发送一个简单的字典,但我不断收到“TypeError: 1425 is not JSON serializable”消息。 import json alerts = {'upper':[1425],'lower':[576],'level':[2],'datetime':['2012-08-08 15:30']} afile = open('test.json','w') afile.write(json.dumps(alerts,en...
(obj): if isinstance(obj, MyClass): return obj.to_dict() raise TypeError(f'Object of type {obj.__class__.__name__} is not JSON serializable') # 使用default参数进行序列化 json_str = json.dumps(data, default=custom_encoder) print(json_str) # 输出: [{"value": 1}, {"value": ...
homepage.views.Book object at 0x7f1afe3a8ef0 is not JSON serializable CLASSES classBook(object):def__init__(self,bookId,bookName,bookPrice,bookAuthor,bookYear,bookStar,bookCatagory): self.bookId=bookId self.bookName=bookName self.bookPrice=bookPrice self.bookAuthor=bookAuthor self.bookYear=...
使用python分离出一串文本,因为是看起来像整数,结果json转换时发生异常:TypeError: Object of type Decimal is not JSON serializable msgInfo={"uid":3232324232}json.dumps(msgInfo,ensure_ascii=False) 原因: decimal格式不能被json.dumps正确处理。json.dumps函数发现字典里面有 Decimal类型的数据,无法JSON serializab...
class JsonSerializable: def _serialize_prop(self, name): return getattr(self, name) def _as_dict(self): props = {} for key in dir(self): if not is_normal_prop(self, key): continue value = self._serialize_prop(key) if not (is_basic_type(value) or isinstance(value, JsonSerializable...