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# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
"""
BitBake 'msg' implementation
Message handling infrastructure for bitbake
"""
# Copyright (C) 2006 Richard Purdie
#
# SPDX-License-Identifier: GPL-2.0-only
#
import sys
import copy
import logging
import collections
from itertools import groupby
import warnings
import bb
import bb.event
class BBLogFormatter(logging.Formatter):
"""Formatter which ensures that our 'plain' messages (logging.INFO + 1) are used as is"""
DEBUG3 = logging.DEBUG - 2
DEBUG2 = logging.DEBUG - 1
DEBUG = logging.DEBUG
VERBOSE = logging.INFO - 1
NOTE = logging.INFO
PLAIN = logging.INFO + 1
VERBNOTE = logging.INFO + 2
ERROR = logging.ERROR
WARNING = logging.WARNING
CRITICAL = logging.CRITICAL
levelnames = {
DEBUG3 : 'DEBUG',
DEBUG2 : 'DEBUG',
DEBUG : 'DEBUG',
VERBOSE: 'NOTE',
NOTE : 'NOTE',
PLAIN : '',
VERBNOTE: 'NOTE',
WARNING : 'WARNING',
ERROR : 'ERROR',
CRITICAL: 'ERROR',
}
color_enabled = False
BASECOLOR, BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = list(range(29,38))
COLORS = {
DEBUG3 : CYAN,
DEBUG2 : CYAN,
DEBUG : CYAN,
VERBOSE : BASECOLOR,
NOTE : BASECOLOR,
PLAIN : BASECOLOR,
VERBNOTE: BASECOLOR,
WARNING : YELLOW,
ERROR : RED,
CRITICAL: RED,
}
BLD = '\033[1;%dm'
STD = '\033[%dm'
RST = '\033[0m'
def getLevelName(self, levelno):
try:
return self.levelnames[levelno]
except KeyError:
self.levelnames[levelno] = value = 'Level %d' % levelno
return value
def format(self, record):
record.levelname = self.getLevelName(record.levelno)
if record.levelno == self.PLAIN:
msg = record.getMessage()
else:
if self.color_enabled:
record = self.colorize(record)
msg = logging.Formatter.format(self, record)
if hasattr(record, 'bb_exc_formatted'):
msg += '\n' + ''.join(record.bb_exc_formatted)
elif hasattr(record, 'bb_exc_info'):
etype, value, tb = record.bb_exc_info
formatted = bb.exceptions.format_exception(etype, value, tb, limit=5)
msg += '\n' + ''.join(formatted)
return msg
def colorize(self, record):
color = self.COLORS[record.levelno]
if self.color_enabled and color is not None:
record = copy.copy(record)
record.levelname = "".join([self.BLD % color, record.levelname, self.RST])
record.msg = "".join([self.STD % color, record.msg, self.RST])
return record
def enable_color(self):
self.color_enabled = True
class BBLogFilter(object):
def __init__(self, handler, level, debug_domains):
self.stdlevel = level
self.debug_domains = debug_domains
loglevel = level
for domain in debug_domains:
if debug_domains[domain] < loglevel:
loglevel = debug_domains[domain]
handler.setLevel(loglevel)
handler.addFilter(self)
def filter(self, record):
if record.levelno >= self.stdlevel:
return True
if record.name in self.debug_domains and record.levelno >= self.debug_domains[record.name]:
return True
return False
class BBLogFilterStdErr(BBLogFilter):
def filter(self, record):
if not BBLogFilter.filter(self, record):
return False
if record.levelno >= logging.ERROR:
return True
return False
class BBLogFilterStdOut(BBLogFilter):
def filter(self, record):
if not BBLogFilter.filter(self, record):
return False
if record.levelno < logging.ERROR:
return True
return False
# Message control functions
#
loggerDefaultDebugLevel = 0
loggerDefaultVerbose = False
loggerVerboseLogs = False
loggerDefaultDomains = []
def init_msgconfig(verbose, debug, debug_domains=None):
"""
Set default verbosity and debug levels config the logger
"""
bb.msg.loggerDefaultDebugLevel = debug
bb.msg.loggerDefaultVerbose = verbose
if verbose:
bb.msg.loggerVerboseLogs = True
if debug_domains:
bb.msg.loggerDefaultDomains = debug_domains
else:
bb.msg.loggerDefaultDomains = []
def constructLogOptions():
debug = loggerDefaultDebugLevel
verbose = loggerDefaultVerbose
domains = loggerDefaultDomains
if debug:
level = BBLogFormatter.DEBUG - debug + 1
elif verbose:
level = BBLogFormatter.VERBOSE
else:
level = BBLogFormatter.NOTE
debug_domains = {}
for (domainarg, iterator) in groupby(domains):
dlevel = len(tuple(iterator))
debug_domains["BitBake.%s" % domainarg] = logging.DEBUG - dlevel + 1
return level, debug_domains
def addDefaultlogFilter(handler, cls = BBLogFilter, forcelevel=None):
level, debug_domains = constructLogOptions()
if forcelevel is not None:
level = forcelevel
cls(handler, level, debug_domains)
#
# Message handling functions
#
def fatal(msgdomain, msg):
if msgdomain:
logger = logging.getLogger("BitBake.%s" % msgdomain)
else:
logger = logging.getLogger("BitBake")
logger.critical(msg)
sys.exit(1)
def logger_create(name, output=sys.stderr, level=logging.INFO, preserve_handlers=False, color='auto'):
"""Standalone logger creation function"""
logger = logging.getLogger(name)
console = logging.StreamHandler(output)
format = bb.msg.BBLogFormatter("%(levelname)s: %(message)s")
if color == 'always' or (color == 'auto' and output.isatty()):
format.enable_color()
console.setFormatter(format)
if preserve_handlers:
logger.addHandler(console)
else:
logger.handlers = [console]
logger.setLevel(level)
return logger
def has_console_handler(logger):
for handler in logger.handlers:
if isinstance(handler, logging.StreamHandler):
if handler.stream in [sys.stderr, sys.stdout]:
return True
return False
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