#coding:utf-8 import re def strip_tags(string, allowed_tags=''): if allowed_tags != '': # Get a list of all allowed tag names. allowed_tags = allowed_tags.split(',') allowed_tags_pattern = ['</?'+allowed_tag+'[^>]*>' for allowed_tag in allowed_ta…
在(1)中脚本实现了保留指定文件的功能,但不能删除空目录,在此补上删除空目录的方法 def DeleteEmptyDir(path): for i in range(1,100): for parent,dirnames,filenames in os.walk(path): for dirname in dirnames: FullPath = parent + '\\' + dirname if not os.listdir(FullPath): os.rmdir(FullPath) 该方法…
如何让你的Python程序支持多语言 本文介绍如何通过Python标准库gettext帮助你的程序支持多语言. 代码例子 import random guessesTaken = 0 print(_("Hello! What's your name?")) myName = input() number = random.randint(1, 20) print("Well, {}, I am thinking of a number between 1 and 20.&qu…
有时候需要对一个特定的含有小数点的数字保留指定位数,比如"123.123600". 在数据库中以函数的形式实现如下: USE [数据库名称] GO /****** Object: UserDefinedFunction [dbo].[AvgLimit] Script Date: 2016/12/29 11:30:44 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO ,),@numlimit int) ) As Begin…
去除指定标签 from bs4 import BeautifulSoup #去除属性ul [s.extract() for s in soup("ul")] # 去除属性svg [s.extract() for s in soup("svg")] # 去除属性script [s.extract() for s in soup("script")] 去除注释 from bs4 import BeautifulSoup, Comment #去除注释…