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# Copyright (C) 2006-2007 Dan Pascu. See LICENSE for details.
#
"""Interaction with the underlying operating system"""
__all__ = ['default_host_ip', 'unlink']
## System variables
# The default IP address of this system. This is the IP address of the network
# interface that has the default route assigned to it, or in other words the
# IP address that will be used when making connections to the internet.
import socket
try:
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
s.connect(('1.2.3.4', 56))
default_host_ip = s.getsockname()[0]
finally:
s.close()
del s
except socket.error:
default_host_ip = None
del socket
## Functions
def unlink(path):
"""Remove a file ignoring errors"""
from os import unlink as os_unlink
try: os_unlink(path)
except: pass
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