json.dump([1,2,3],f)elifmethod =='pickle':importpickle with open('file','w') as f: pickle.dump([1, 2, 3], f) 简化版 defdump(method):ifmethod =='json':#(简化版)importjson as melifmethod =='pickle':importpickle as m with open('file','w') as f: m.dump([1, 2, 3]...
501Day23-06 pickle的使用 04:25 502Day23-07 xml与shelve模块了解 05:42 503Day23-08 configparser模块 - 1 07:19 504Day23-08 configparser模块 - 3 07:19 505Day23-09 闲聊 06:55 506Day23-10 hash介绍 - 1 11:00 507Day23-10 hash介绍 - 3 15:55 508Day23-11 hashlib应用介绍 - 1 08:34...
# 模块的导入语法 # import 模块名 import os # 调用模块的函数 # 模块名.函数名 # makedirs作用递归创建目录 os.makedirs(r"D:\成绩\各班级成绩") # with open ( r"D:\成绩\各班级成绩\1班成绩.txt", mode = "w", encoding="utf-8" ) as f : f.write("张三,30分") with open (r"D:\...
In [1]: import pickle In [2]: d = {'name': '二两', 'age': 30, 'hobby': 'code'} # 将变量序列化到文件中 In [3]: with open('example.pickle', 'wb') as f: ...: pickle.dump(d, f) ...: # 将变量反序列化到文件中 In [4]: with open('example.pickle', 'rb') as f...
python import pickle import sqlalchemy data ={'key':'value'} with open('data.pkl','wb') as f: pickle.b9ef165b255673dde47bff07f4390fb1(data,f) engine = sqlalchemy.create_engine('mysql://user:password@localhost/dbname') connection = engine.connect() metadata = sqlalchemy.MetaData() ...
501Day23-06 pickle的使用 04:25 502Day23-07 xml与shelve模块了解 05:42 503Day23-08 configparser模块 - 1 07:19 504Day23-08 configparser模块 - 3 07:19 505Day23-09 闲聊 06:55 506Day23-10 hash介绍 - 1 11:00 507Day23-10 hash介绍 - 3 15:55 508Day23-11 hashlib应用介绍 - 1 08:34...
pickle模块提供了四个功能:dumps、dump、loads、load 7. shelve模块 shelve模块是一个简单的k,v将内存数据通过文件持久化的模块,可以持久化任何pickle可支持的python数据格式 1 import shelve,datetime 2 3 d = shelve.open('shelve_test') #打开一个文件 ...
defblue_peter():importmenpo.ioasmioimporth5itfrommenpo.visualize.imageimportglyphfrommenpo.featureimporthogimportmatplotlib.pyplotasplt# Loading the pre-built HOG AAMimportcPickleaspicklewithopen('/Users/pts08/hog_lfpw_aam.pkl','rb')asf:
shelve模块时一个简单的key-value将内存数据通过文件持久化地模块,可以持久化任何pickle可支持地python数据格式。key必须是字符串 写: import shelve d = shelve.open("shelve_test1") info = {"name":"Mr Wu","age":19} names = ["Mr Wu","Jing Jiu","Na Yue"] ...
读取txt文件显示空字典import tkinter as tk import pickle from tkinter import messagebox window = tk.Tk() window.title('词典') window.geometry('500x500') window.resizable(False,False) window.config(bg = 'red') window.attributes('-alpha',0.8) list1 = [] dict1 = {} var4 = tk.StringVar...