def do_delete(self, options):
"""Delete existing hostname.
A valid hostname must be passed, no IP or alias are valid arguments.
:Results: None
"""
hosts = Hosts()
try:
hosts.delete(options.hostname)
except IOError as e:
if e.errno == 13:
print("You don't have permissions to write '%s'. %s" % (hosts.hosts_file, "Did you forgot 'sudo'?"))
else:
raise IOError
exit(1)
