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# This file is part of Scapy
# See http://www.secdev.org/projects/scapy for more information
# Copyright (C) Nils Weiss <nils@we155.de>
# This program is published under a GPLv2 license
# scapy.contrib.description = CANSocket Utils
# scapy.contrib.status = loads
"""
CANSocket.
"""
from scapy.error import log_loading
from scapy.consts import LINUX
from scapy.config import conf
import scapy.modules.six as six
PYTHON_CAN = False
try:
if conf.contribs['CANSocket']['use-python-can']:
from can import BusABC as can_BusABC # noqa: F401
PYTHON_CAN = True
else:
PYTHON_CAN = False
except ImportError:
log_loading.info("Can't import python-can.")
except KeyError:
log_loading.info("Configuration 'conf.contribs['CANSocket'] not found.")
if PYTHON_CAN:
log_loading.info("Using python-can CANSocket.")
log_loading.info("Specify 'conf.contribs['CANSocket'] = "
"{'use-python-can': False}' to enable native CANSockets.")
from scapy.contrib.cansocket_python_can import (PythonCANSocket, CANSocket, CAN_FRAME_SIZE, CAN_INV_FILTER) # noqa: E501 F401
elif LINUX and six.PY3 and not conf.use_pypy:
log_loading.info("Using native CANSocket.")
log_loading.info("Specify 'conf.contribs['CANSocket'] = "
"{'use-python-can': True}' "
"to enable python-can CANSockets.")
from scapy.contrib.cansocket_native import (NativeCANSocket, CANSocket, CAN_FRAME_SIZE, CAN_INV_FILTER) # noqa: E501 F401
else:
log_loading.info("No CAN support available. Install python-can or "
"use Linux and python3.")