Python os.chflags() Method

Description

The method chflags() sets the flags of path to the numeric flags. The flags may take a combination (bitwise OR) of the various values described below.

Note: This method is available Python version 2.6 onwards. Most of the flags can be changed by super-user only.

Syntax

Following is the syntax for chflags() method

os.chflags(path, flags)

Parameters

• path -- This is complete path of the directory to be changed to a new location.

• flags -- The flags specified are formed by OR'ing the following values:

  • so.UF_NODUMP: Do not dump the file.
  • so.UF_IMMUTABLE: The file may not be changed.
  • so.UF_APPEND: The file may only be appended to.
  • so.UF_NOUNLINK: The file may not be renamed or deleted.
  • so.UF_OPAQUE: The directory is opaque when viewed through a union stack.
  • so.SF_ARCHIVED: The file may be archived.
  • so.SF_IMMUTABLE: The file may not be changed.
  • so.SF_APPEND: The file may only be appended to.
  • so.SF_NOUNLINK: The file may not be renamed or deleted.
  • so.SF_SNAPSHOT: The file is a snapshot file.

Return Value

This method does not return any value.

Example

The following example shows the usage of chflags() method.

#!/usr/bin/python
import os

path = "/tmp/foo.txt"

# Set a flag so that file may not be renamed or deleted.
flags = os.SF_NOUNLINK
retval = os.chflags( path, flags)
print "Return Value: %s" % retval

Let us compile and run the above program, this will produce the following result:

Return Value : None