def check_MAC_address(option, opt_str, value, parser):
"""
Check MAC address as an OptionParser callback
Postcondition: sets value to proper option if check passes
Raises: OptionValueError if MAC address is malformed
"""
try:
value = str(com.MACAddress(value))
except com.MACAddress.MACAddressError, e:
raise OptionValueError(str(e))
def check_MAC_address(option, opt_str, value, parser):
'''
Check MAC address as an OptionParser callback
Postcondition: sets value to proper option if check passes
Raises: OptionValueError if MAC address is malformed
'''
try:
value = str(com.MACAddress(value))
except com.MACAddress.MACAddressError as err:
raise OptionValueError(str(err))
setattr(parser.values, option.dest, value)
def parse_options(cmd_options=None):
''' Parse and validate options '''
usage = '\n' + get_usage()
parser = OptionParser(usage=usage)
(options, args) = parser.parse_args(cmd_options)
# check that we got the client's name passed in
if not args:
parser.error(_("Missing required argument, <macaddr>"))
elif len(args) > 1:
parser.error(_("Too many arguments: %s") % args)
# Create a macAddress object and exit if MAC is not valid
try:
options.mac = com.MACAddress(args[0])
except com.MACAddress.MACAddressError, err:
raise SystemExit("Error:\t" + str(err))
def parse_options():
'''
Parse and validate options
Args: None
Returns: A tuple of a class object representing client to delete
and an options object
'''
parser = OptionParser(usage=_("usage: %prog [options] MAC_address"))
(options, args) = parser.parse_args()
# check that we got the client's name passed in
if len(args) != 1:
parser.print_help()
sys.exit(1)
# Create a macAddress object and exit if MAC is not valid
try:
mac = com.MACAddress(args[0])
except com.MACAddress.MACAddressError, e:
raise SystemExit("Error:\t" + str(e))
def __checkMAC(value):
# ==============================================================================
# Private function that checks an MAC address string, that it has six hex
# values 0 <= value <= FF, separated by colons. Adds zero padding to two digits
# per value.
#
# Args:
# value: the string being checked and processed
#
# Returns:
# checked and massaged value.
#
# Raises:
# ValueError: Malformed MAC address in criteria
# ==============================================================================
mac_err_msg = "Malformed MAC address in criteria"
try:
macAddress = com.MACAddress(value)
except com.MACAddress.MACAddressError:
raise ValueError, mac_err_msg
return str(macAddress).lower()