Python os.fchown() 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 fchown() method.

The Python os fchown() method changes the owner as well as the group id of the file given by fd to the numeric uid and gid. In order to leave one of the ids unchanged, set it to -1.

Note - This method is available on Python version 2.6 onwards.

Syntax

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

os.chown(fd,  uid,  gid);

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Parameter Details

• fd - The file descriptor for which the owner and group id needs to be set up.

• uid - This is the Owner ID that is to be set for the file.

• gid - This is the Group ID that is to be set for the file.

Return Value

It does not return any value.

Example

The following below is a simple example -

#!/usr/bin/python

import os, sys, stat

# Now open a file "/tmp/foo.txt"
fd = os.open( "/tmp", os.O_RDONLY )

# Set the user Id to 100 for this file.
os.fchown( fd, 100, -1)

# Set the group Id to 50 for this file.
os.fchown( fd, -1, 50)

print "Changed ownership successfully!!"

# Close opened file.
os.close( fd )

Output

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

Changed ownership successfully!!

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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 fdatasync() Method.

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