mirror of
https://github.com/saymrwulf/uhd.git
synced 2026-05-16 21:10:10 +00:00
127 lines
3.9 KiB
Python
127 lines
3.9 KiB
Python
#
|
|
# Copyright 2017 Ettus Research (National Instruments)
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
"""
|
|
MPM Logging
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
import copy
|
|
import logging
|
|
from logging import CRITICAL, ERROR, WARNING, INFO, DEBUG
|
|
from builtins import str
|
|
|
|
# Colors
|
|
BOLD = str('\033[1m')
|
|
RED = str('\x1b[31m')
|
|
YELLOW = str('\x1b[33m')
|
|
GREEN = str('\x1b[32m')
|
|
PINK = str('\x1b[35m')
|
|
GREY = str('\x1b[90m')
|
|
RESET = str('\x1b[0m')
|
|
|
|
# Additional log level
|
|
TRACE = 1
|
|
|
|
class ColorStreamHandler(logging.StreamHandler):
|
|
"""
|
|
StreamHandler that prints colored output
|
|
"""
|
|
def emit(self, record):
|
|
"""
|
|
Prints record with colors.
|
|
record is not modified.
|
|
"""
|
|
record_ = copy.copy(record)
|
|
levelno = record_.levelno
|
|
if levelno >= CRITICAL:
|
|
color = RED
|
|
elif levelno >= ERROR:
|
|
color = RED
|
|
elif levelno >= WARNING:
|
|
color = YELLOW
|
|
elif levelno >= INFO:
|
|
color = GREEN
|
|
elif levelno >= DEBUG:
|
|
color = PINK
|
|
elif levelno >= TRACE:
|
|
color = ''
|
|
else: # NOTSET and anything else
|
|
color = RESET
|
|
record_.msg = BOLD + color + str(record_.msg) + RESET
|
|
logging.StreamHandler.emit(self, record_)
|
|
|
|
class MPMLogger(logging.getLoggerClass()):
|
|
"""
|
|
Extends the regular Python logging with level 'trace' (like UHD)
|
|
"""
|
|
def __init__(self, *args, **kwargs):
|
|
logging.Logger.__init__(self, *args, **kwargs)
|
|
|
|
def trace(self, *args, **kwargs):
|
|
""" Extends logging for super-high verbosity """
|
|
self.log(TRACE, *args, **kwargs)
|
|
|
|
|
|
LOGGER = None # Logger singleton
|
|
def get_main_logger(use_console=True, use_journal=False, console_color=True):
|
|
"""
|
|
Returns the top-level logger object. This is the only API call from this
|
|
file that should be used outside.
|
|
"""
|
|
global LOGGER
|
|
if LOGGER is not None:
|
|
return LOGGER
|
|
logging.addLevelName(TRACE, 'TRACE')
|
|
logging.setLoggerClass(MPMLogger)
|
|
LOGGER = logging.getLogger('MPM')
|
|
if use_console:
|
|
console_handler = ColorStreamHandler() if console_color else logging.StreamHandler()
|
|
console_formatter = logging.Formatter("[%(name)s] [%(levelname)s] %(message)s")
|
|
console_handler.setFormatter(console_formatter)
|
|
LOGGER.addHandler(console_handler)
|
|
if use_journal:
|
|
from systemd.journal import JournalHandler
|
|
journal_handler = JournalHandler(SYSLOG_IDENTIFIER='usrp_hwd')
|
|
journal_formatter = logging.Formatter('[%(levelname)s] [%(module)s] %(message)s')
|
|
journal_handler.setFormatter(journal_formatter)
|
|
LOGGER.addHandler(journal_handler)
|
|
# Set default level:
|
|
default_log_level = TRACE
|
|
LOGGER.setLevel(default_log_level)
|
|
return LOGGER
|
|
|
|
def get_logger(child_name):
|
|
"""docstring for get_logger"""
|
|
assert LOGGER is not None
|
|
return get_main_logger().getChild(child_name)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
print("Testing logger: ")
|
|
LOG = get_main_logger().getChild('test')
|
|
LOG.setLevel(TRACE)
|
|
LOG.trace("trace message")
|
|
LOG.debug("debug message")
|
|
LOG.info("info message")
|
|
LOG.warning("warning message")
|
|
LOG.error("error message")
|
|
LOG.critical("critical message")
|
|
|
|
LOG2 = get_main_logger()
|
|
LOG3 = get_main_logger()
|
|
assert LOG2 is LOG3
|
|
|