Python module os handles the operating system. This involves environment variables, files and folders.
This blog only covers a summary of the module methods. See full documentation here.
import os| Method | Args / Kwargs | Data Type | Description |
|---|---|---|---|
| os.getcwd() | returns the current working directory in string | ||
| os.chdir() | path_name | string | changes os directory to path_name |
| os.listdir() | returns a list of files and folders | ||
| os.mkdir() | folder_name | string | creates a folder named folder_name |
| os.mkdirs() | path_name | string | creates directory and sub-directories defined by path_name |
| os.rmdir() | folder_name | string | removes a folder named folder_name |
| os.removedirs() | path_name | string | removes directory and sub-directories defined by path_name |
| os.rename() | name, new_name | string, string | renames a file/folder named name into new_name |
| os.stat() | filename | string | displays the stats/attributes of filename |
| os.walk() | path_name | string | returns a generator object containing a tuple of (directory in string, sub-directories of directory in list, and filenames of directory in list) for all directories and sub-directories in by path_name |
| os.environ.get() | environment_variable | string | returns the value of environment_variable. e.g. 'HOME' returns the home directory of the os |
| os.path.expanduser() | ??? | ??? | ??? |
| os.path.join() | base_dir, fname | string, string | concatenates base directory base_dir to a file/folder fname |
| os.path.basename() | path_name | string | returns the base file/folder name of the directory path_name |
| os.path.dirname() | path_name | string | returns the parent directory of the file/folder defined by path_name |
| os.path.split() | path_name | string | returns a tuple of directory name and file/folder name specified by path_name |
| os.path.exists() | path_name | string | returns a boolean representing the existence of path_name in the os |
| os.path.isdir() | path_name | string | checks if the directory path_name is a folder/directory and returns a boolean |
| os.path.isfile() | path_name | string | checks if the directory path_name is a file and returns a boolean |
| os.path.splitext() | path_name | string | returns a tuple of root name and extension name of a given directory |