摘要：import sqlite3 from datetime import datetime #sqlite3 #初始化sqlite3 内存表 conn = sqlite3.connect(':memory:', check_same_thread=False) #开启外键约束 conn.execute('pragma foreign_keys=ON') #创建表 关联外键必须设置主键 sql =... 阅读全文

摘要：from bs4 import BeautifulSoup from bs4.element import * data = """ beatifulsoup learning note i`m son1 哈哈 ... 阅读全文

摘要：import tarfile import os, shutil filepath = 'd:/python project' ftarname = './test.tar.gz' tarlib = './test/' print(os.getcwd()) #==================gz压缩文件=================== # with tarfile.open(ftarn... 阅读全文

摘要：import requests from requests import cookies # requests 更为强大，方便 url = 'http://www.baidu.com' session = requests.Session() #初始化一个session get,post,put session.headers = {} # 设置协议头 session.auth = () # ... 阅读全文

摘要：# _*_coding:utf-8_*_ # author:leo # date: # email:alplf123@163.com from concurrent.futures import * from urllib import request import time import random tasks = [] def test(val): rand = random.r... 阅读全文

摘要：from queue import Queue from datetime import datetime import threading import os,sys q = Queue() fileprefix = 'test' def creator(): for i in range(1, 100): q.put_nowait(i) print(... 阅读全文

摘要：#coding:utf-8 import logging from logging import handlers import time #简单的不同级别日志输出 # logging.debug('this is debug msg') # logging.info('this is info msg') # logging.warning('this is warning msg') # l... 阅读全文