Python os.fchmod() Method


Python method fchmod() changes the mode of the file given by fd to the numeric mode. The mode may take one of the following values or bitwise ORed combinations of them −

Note − This method is available Python 2.6 onwards.


Following is the syntax for fchmod() method −

os.fchmod(fd, mode);


Return Value

This method does not return any value.


The following example shows the usage of fchmod() method −


import os, sys, stat

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

# Set a file execute by the group.

os.fchmod( fd, stat.S_IXGRP)

# Set a file write by others.
os.fchmod(fd, stat.S_IWOTH)

print "Changed mode successfully!!"

# Close opened file.
os.close( fd )

When we run above program, it produces following result −

Changed mode successfully!!