diff options
-rw-r--r-- | ChangeLog | 2 | ||||
-rw-r--r-- | logging_ext.py | 70 |
2 files changed, 71 insertions, 1 deletions
@@ -7,7 +7,7 @@ ChangeLog for logilab.common * tasksqueue: new module containing a class to handle prioritized tasks queue * proc: new module for process information / resource control * optik_ext: new time/bytes option types, using textutils conversion function - + * logging_ext: new set_log_methods / init_log utility functions 2008-10-30 -- 0.36.0 * configuration: diff --git a/logging_ext.py b/logging_ext.py index b788c00..67b8342 100644 --- a/logging_ext.py +++ b/logging_ext.py @@ -8,10 +8,20 @@ """ __docformat__ = "restructuredtext en" +import os +import sys import logging from logilab.common.textutils import colorize_ansi + +def set_log_methods(cls, logger): + """bind standart logger's methods as methods on the class""" + cls.__logger = logger + for attr in ('lldebug', 'debug', 'info', 'warning', 'error', 'critical', 'exception'): + setattr(cls, attr, getattr(logger, attr)) + + def xxx_cyan(record): if 'XXX' in record.message: return 'cyan' @@ -70,3 +80,63 @@ def set_color_formatter(logger=None, **kw): fmt = ColorFormatter(format_msg, **kw) fmt.colorfilters.append(xxx_cyan) logger.handlers[0].setFormatter(fmt) + + +LOG_FORMAT = '%(asctime)s - (%(name)s) %(levelname)s: %(message)s' +LOG_DATE_FORMAT = '%Y-%m-%d %H:%M:%S' + +def init_log(debug=False, syslog=False, logthreshold=None, logfile=None, + logformat=LOG_FORMAT, logdateformat=LOG_DATE_FORMAT): + """init the log service""" + if os.environ.get('APYCOT_ROOT'): + logthreshold = logging.CRITICAL + # redirect logs to stdout to avoid apycot output parsing failure + handler = logging.StreamHandler(sys.stdout) + else: + if debug: + logthreshold = logging.DEBUG + handler = logging.StreamHandler() + elif logfile is None: + if syslog: + from logging import handlers + handler = handlers.SysLogHandler() + else: + handler = logging.StreamHandler() + else: + try: + handler = logging.FileHandler(logfile) + except IOError: + handler = logging.StreamHandler() + if logthreshold is None: + logthreshold = logging.ERROR + elif isinstance(logthreshold, basestring): + logthreshold = getattr(logging, THRESHOLD_MAP.get(logthreshold, + logthreshold)) + # configure the root logger + logger = logging.getLogger() + logger.setLevel(logthreshold) + # only addHandler and removeHandler method while I would like a + # setHandler method, so do it this way :$ + logger.handlers = [handler] + isatty = hasattr(sys.__stdout__, 'isatty') and sys.__stdout__.isatty() + if debug and isatty: + fmt = ColorFormatter(logformat, logdateformat) + def col_fact(record): + if 'XXX' in record.message: + return 'cyan' + if 'kick' in record.message: + return 'red' + fmt.colorfilters.append(col_fact) + else: + fmt = logging.Formatter(logformat, logdateformat) + handler.setFormatter(fmt) + return handler + +# map logilab.common.logger thresholds to logging thresholds +THRESHOLD_MAP = {'LOG_DEBUG': 'DEBUG', + 'LOG_INFO': 'INFO', + 'LOG_NOTICE': 'INFO', + 'LOG_WARN': 'WARNING', + 'LOG_ERR': 'ERROR', + 'LOG_CRIT': 'CRITICAL', + } |