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#!/usr/bin/env python
# Copyright (c) 2019 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import os
import logging
""" @var formatting delimiter consisting of '=' characters """
double_line_delim = '=' * 78
""" @var formatting delimiter consisting of '-' characters """
single_line_delim = '-' * 78
def colorize(msg, color):
return color + msg + COLOR_RESET
class ColorFormatter(logging.Formatter):
def init(self, fmt=None, datefmt=None):
super(ColorFormatter, self).__init__(fmt, datefmt)
def format(self, record):
message = super(ColorFormatter, self).format(record)
if hasattr(record, 'color'):
message = colorize(message, record.color)
return message
try:
verbose = int(os.getenv("V", 0))
except:
verbose = 0
# 40 = ERROR, 30 = WARNING, 20 = INFO, 10 = DEBUG, 0 = NOTSET (all messages)
if verbose >= 2:
log_level = 10
elif verbose == 1:
log_level = 20
else:
log_level = 40
handler = logging.StreamHandler(sys.stdout)
color_formatter = ColorFormatter(fmt='%(asctime)s,%(msecs)03d %(message)s',
datefmt="%H:%M:%S")
handler.setFormatter(color_formatter)
handler.setLevel(log_level)
global_logger = logging.getLogger()
global_logger.addHandler(handler)
scapy_logger = logging.getLogger("scapy.runtime")
scapy_logger.setLevel(logging.ERROR)
def get_logger(name):
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
return logger
def get_parallel_logger(stream):
logger = logging.getLogger('parallel_logger_{}'.format(stream))
logger.propagate = False
logger.setLevel(logging.DEBUG)
handler = logging.StreamHandler(stream)
handler.setFormatter(color_formatter)
handler.setLevel(log_level)
logger.addHandler(handler)
return logger
# Static variables to store color formatting strings.
#
# These variables (RED, GREEN, YELLOW and LPURPLE) are used to configure
# the color of the text to be printed in the terminal. Variable COLOR_RESET
# is used to revert the text color to the default one.
if hasattr(sys.stdout, 'isatty') and sys.stdout.isatty():
RED = '\033[91m'
GREEN = '\033[92m'
YELLOW = '\033[93m'
LPURPLE = '\033[94m'
COLOR_RESET = '\033[0m'
else:
RED = ''
GREEN = ''
YELLOW = ''
LPURPLE = ''
COLOR_RESET = ''
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