Python os chmod() Method with example

Hello dear readers! Welcome back to another section of our tutorial on Python. In this tutorial guide, we are going to be studying about the Os chmod() method.

The Python os chmod() method changes the mode of path to the passed numeric mode.


The following below is the syntax for Python Os chmod() method -

os.chmod(path,  mode);

Parameter Details

  • path - This is the path for which the mode would be set.
  • mode - It may take one of the below mentioned values or bitwise ORed combinations of them.
    • stat.S_ISUID - It sets the user ID on execution.
    • stat.S_ISGID - It sets the group ID on execution.
    • stat.S_ENFMT - The record locking is enforced.
    • stat.S_ISVTX - Save text image after execution.
    • stat.S_IREAD - Read by owner.
    • stat.S_IWRITE - Write by owner.
    • stat.S_IEXEC - Execute by owner.
    • stat.S_IRWXU - Read, write, and as well execute by owner.
    • stat.S_IRUSR - Read by owner.
    • stat.S_IWUSR - Write by owner.
    • stat.S_IXUSR - Execute by owner.
    • stat.S_IRWXG - Read, write, and also execute by group.
    • stat.S_IRGRP - Read by group.
    • stat.S_IWGRP - Write by group.
    • stat.S_IXGRP - Execute by group.
    • stat.S_IRWXO - Read, write, and also execute by others.
    • stat.S_IROTH - Read by others.
    • stat.S_IWOTH - Write by others.
    • stat.S_IXOTH - Execute by others.

Return Value

It does not return any value.


The following below is a simple example -


import os, sys, stat

# Assuming /tmp/foo.txt exists, Set a file execute by the group.
os.chmod("/tmp/foo.txt", stat.S_IXGRP)

# Set a file write by others.
os.chmod("/tmp/foo.txt", stat.S_IWOTH)
print "Changed mode successfully!!"

When the above code is executed, it will produce the following result -

Changed mode successfully!!

Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial, we are going to be studying about the Python OS chown() Method.

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