python os module tutorial

Common Python modules (OS module) and pythonos ModuleI. Introduction to the Python OS Module The OS module is a

The OS module is simply a python system-programmed operating module that can handle files and directories that we manually need to do on a daily basis.You can view the Help documentation for the OS module:>>> Import

Description of common functions of the Python OS module, and functions of the pythonos Module The OS module in the Python standard library contains common operating system functions. Th

encoded name of the Unicode file name converted to the system file nameSys.setdefaultencoding (name) is used to set the current default character encoding, if name and any one of the available encodings do not match, throw lookuperror, this function will only be used by the site module Sitecustomize, Once the site module is used, he will remove it from the SYS module.Sys.builtin_module_names List of module

The OS module of the Python-based moduleThe role of the OS module:OS, the semantics of the operating system, so it must be operating system-related functions, can handle files and directories we need to do daily manual operations, such as: Display the current directory of all files/delete a file/get file Size ...In add

Detailed explanation of the OS module in python and the pythonos Module The OS module allows you to create, delete, and view file attributes for directories or files, as well as perform path operations on files and directories. Fo

The Python OS module contains common operating system features. This module is especially important if you want your program to be platform-agnostic. (in one language) two, common Method 1, os.name output string indicates the platform being used. If the window is ' NT ', it is ' POSIX ' for Linux/unix users. 2. The OS.

I. Overview of OS ModulesThe Python OS module contains common operating system features. This module is especially important if you want your program to be platform-agnostic. (in one's language)Second, common methods1, Os.nameThe output string indicates the platform being us

The OS module operates as follows:1OS.GETCWD ()#gets the current working directory, which is the directory path of the current Python script work2Os.chdir ("dirname")#change the current script working directory, equivalent to the shell CD3Os.curdir#return to current directory: ('. ')4Os.pardir#Gets the parent directory string name of the current directory: (' ...

(path1,path2) #将多个路径组合后返回, automatically using system-specified path separators in the middle of the pathOs.path.getatime (PATH) #返回文件或目录的最后读取时间Os.path.getmtime (PATH) #返回文件或目录的最后修改时间JudgeOs.path.exists (PATH) #判断路径是否存在Os.isabs (PATH) #判断路径是否是绝对路径Os.isfilke (PATH) #判断文件是否存在Os.isdir (PATH) #判断目录是否存在Import SysSys.path #返回模块的搜索路径SYS.ARGV #获取文件传递的参数, the first one is the file nameSys.exit (n) #退出程序Sys.version #获取当前python解释器的版本Sys.platform returns the ope

The JSON full name is the JavaScript object Notation (that is, the JavaScript objects tag), which is a subset of JavaScript.Front-end and back-end data interaction, in fact, JS and Python for data interactionInterface One: Json.dumps (obj) # converts the Obj object into a JSON stringInterface two: Json.loads (s) # convert s This JSON string to Python data typeInterface three: Json.dump (obj,f) #将obj这个对象转成成J

I. Overview of OS ModulesThe Python OS module contains common operating system features. This module is especially important if you want your program to be platform-agnostic.Second, common methods1, Os.nameThe output string indicates the platform being used. If the window is