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This article is to share with you about how to understand the python os module, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

File system module: os

Table of contents:

Chdir (): switch the working directory

Chroot (): sets the root directory of the current process

Listdir (): lists all file names in the specified directory

Mkdir (): creates the specified directory

Makedirs (): how long the directory is created

Getcwd (): get the working directory

Rmdir (): delete a directory

Removedirs (): delete multi-level directories

File:

Mkfifo (): create pipe

Mknod (): create a device file

Remove (): delete files

Unlink (): delete linked files

Rename (): rename

Stat (): put back the status information of the file

Symlink (): create a linked file

Utime (): update timestamp

Tmpfile (): create and open a new temporary file

Walk (): create a directory tree

Related to access rights

Access (): verifies the permission mode of a user or user group

Chmod (): modify permissions

Chown (): modify the owner and group

Umask (): sets the default permission mode

File descriptor:

Open (): open of the underlying operating system ()

Read ():

Write ():

Device file:

Makedev ():

Major (): get the main equipment number

Minor (): get the secondary device number

Path Management:

Import os.path

Basename (): path base name

Dirname (): path directory name

Join (): consolidate file name

Split (): returns dirname (), basename () tuple

Splitext (): returns (filename,extension) tuple

Information:

Getatime ()

Getctime ()

Getmtime ()

Getsize (): returns the file size

Query

Exists (): determines whether the specified file exists

Isabs (): determines whether the specified path is an absolute path

Isdir (): whether it is a directory

Isfile (): whether it is a file

Islink (): whether it is a symbolic link

Ismount (): whether it is the mount point

Samefile (): whether the two paths point to the same file

The above is how to understand the python os module, the editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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