Python os.fpathconf() Method


Description

Python method fpathconf() returns system configuration information relevant to an open file.This variable is very similar to unix system call fpathconf() and accept the similar arguments.

Syntax

Following is the syntax for fpathconf() method −

os.fpathconf(fd, name)

Parameters

Return Value

This method returns system configuration information relevant to an open file.

Example

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

#!/usr/bin/python

import os, sys

# Open a file
fd = os.open( "foo.txt", os.O_RDWR|os.O_CREAT )

print "%s" % os.pathconf_names

# Now get maximum number of links to the file.
no = os.fpathconf(fd, 'PC_LINK_MAX')
print "Maximum number of links to the file. :%d" % no

# Now get maximum length of a filename
no = os.fpathconf(fd, 'PC_NAME_MAX')
print "Maximum length of a filename :%d" % no

# Close opened file
os.close( fd)

print "Closed the file successfully!!"

When we run above program, it produces following result −

{'PC_MAX_INPUT': 2, 'PC_VDISABLE': 8, 'PC_SYNC_IO': 9, 
'PC_SOCK_MAXBUF': 12, 'PC_NAME_MAX': 3, 'PC_MAX_CANON': 1, 
'PC_PRIO_IO': 11, 'PC_CHOWN_RESTRICTED': 6, 'PC_ASYNC_IO': 10, 
'PC_NO_TRUNC': 7, 'PC_FILESIZEBITS': 13, 'PC_LINK_MAX': 0, 
'PC_PIPE_BUF': 5, 'PC_PATH_MAX': 4}

Maximum number of links to the file. :127
Maximum length of a filename :255
Closed the file successfully!!
python_files_io.htm