【python】解决json.dump(字典)时报错Object of type ‘float32‘ is not JSON serializable
1 问题 json.dump原生不支持字典类型,会报错Object of type ‘float32’ is not JSON serializable import json dict = {'我':1,'是':2,'帅':3,'哥':4} json.dump(dict, open('h...
【Python】已解决:TypeError: Object of type JpegImageFile is not JSON serializable
已解决:TypeError: Object of type JpegImageFile is not JSON serializable 一、分析问题背景 在进行Python编程时,特别是处理图像数据和JSON序列化时,常会遇到各种错误。TypeError: Object of type JpegImageFile is not JSON serializable 是其中一种常见...
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TypeError: Object of type ‘float32‘ is not JSON serializable
先将list转换成numpy.array,在将numpy.array转换成listimport numpy as np import json b=np.array(a).tolist() json_str=json.dumps(b)ok示例:def load_datum(filename): with open(osp.join(data_root,'pointlines',filen...
TypeError: Object of type 'datetime' is not JSON serializable
json序列化时间对象的时候报错: TypeError: Object of type 'datetime' is not JSON serializable解决办法重写json序列化类# -*- coding: utf-8 -*-import jsonimport datetimeclass DateEncoder(json.JSONEncoder): def default(se...
pymongo:Object of type ObjectId is not JSON serializable
1.问题原因是由于ObjectId无法在服务端生成json数据请在文件头引入这两个python包from bson import ObjectId import json2.写一个decoder类# decoder类,将ObjectId对象转化为字符串 class JSONEncoder(json.JSONEncoder): def default(self, o): i...
TypeError: Object of type 'datetime' is not JSON serializable
json序列化时间对象的时候报错: TypeError: Object of type 'datetime' is not JSON serializable解决办法重写json序列化类# -*- coding: utf-8 -*- import json import datetime class DateEncoder(json.JSONEncoder): def defa...
成功解决TypeError: Object of type 'ndarray' is not JSON serializable
解决问题TypeError: Object of type 'ndarray' is not JSON serializable解决方法def default(self, obj): if isinstance(obj, (numpy.int_, numpy.intc, numpy.intp, numpy.int8, ...
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