Python | os.mkdir() method

29 May, 2019
OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of using operating system dependent functionality.
All functions in os module raise OSError in the case of invalid or inaccessible file names and paths, or other arguments that have the correct type, but are not accepted by the operating system.
os.mkdir() method in Python is used to create a directory named path with the specified numeric mode. This method raise FileExistsError if the directory to be created already exists.
Syntax: os.mkdir(path, mode = 0o777, *, dir_fd = None)
Parameter:path: A path-like object representing a file system path. A path-like object is either a string or bytes object representing a path.mode (optional) : A Integer value representing mode of the directory to be created. If this parameter is omitted then default value Oo777 is used.dir_fd (optional) : A file descriptor referring to a directory. The default value of this parameter is None.If the specified path is absolute then dir_fd is ignored.
Note: The ‘*’ in parameter list indicates that all following parameters (Here in our case ‘dir_fd’) are keyword-only parameters and they can be provided using their name, not as positional parameter.
Return Type: This method does not return any value.
# Python program to explain os.mkdir() method     # importing os module import os  # Directorydirectory = "GeeksForGeeks"  # Parent Directory pathparent_dir = "/home/User/Documents"  # Pathpath = os.path.join(parent_dir, directory)  # Create the directory# 'GeeksForGeeks' in# '/home / User / Documents'os.mkdir(path)print("Directory '%s' created" %directory)    # Directorydirectory = "ihritik"  # Parent Directory pathparent_dir = "/home/User/Documents"  # modemode = 0o666  # Pathpath = os.path.join(parent_dir, directory)  # Create the directory# 'GeeksForGeeks' in# '/home / User / Documents'# with mode 0o666os.mkdir(path, mode)print("Directory '%s' created" %directory)
Directory 'GeeksForGeeks' created
Directory 'ihritik' created

# Python program to explain os.mkdir() method     # importing os module import os  # Directorydirectory = "GeeksForGeeks"  # Parent Directory pathparent_dir = "/home/User/Documents"  # Pathpath = os.path.join(parent_dir, directory)  # Create the directory# 'GeeksForGeeks' in# '/home / User / Documents'os.mkdir(path)print("Directory '%s' created" %directory)  # if directory / file that # is to be created already# exists then 'FileExistsError'# will be raised by os.mkdir() method  # Similarly, if the specified path# is invalid 'FileNotFoundError' Error# will be raised
Traceback (most recent call last):
  File "osmkdir.py", line 17, in 
    os.mkdir(path)
FileExistsError: [Errno 17] File exists: '/home/User/Documents/GeeksForGeeks'

# Python program to explain os.mkdir() method     # importing os module import os  # pathpath = '/home/User/Documents/GeeksForGeeks'  # Create the directory# 'GeeksForGeeks' in# '/home/User/Documents'try:    os.mkdir(path)except OSError as error:    print(error)    
[Errno 17] File exists: '/home/User/Documents/GeeksForGeeks'

Reference: https://docs.python.org/3/library/os.html
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