#!/usr/bin/python
+#----------------------------------------------------------------------
+# Copyright (c) 2008 Board of Trustees, Princeton University
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and/or hardware specification (the "Work") to
+# deal in the Work without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Work, and to permit persons to whom the Work
+# is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Work.
+#
+# THE WORK IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE WORK OR THE USE OR OTHER DEALINGS
+# IN THE WORK.
+#----------------------------------------------------------------------
+
import os, sys
import traceback
import logging, logging.handlers
# This is usually a permissions error becaue the file is
# owned by root, but httpd is trying to access it.
tmplogfile=os.getenv("TMPDIR", "/tmp") + os.path.sep + os.path.basename(logfile)
- handler=logging.handlers.RotatingFileHandler(tmplogfile,maxBytes=1000000, backupCount=5)
+ # In strange uses, 2 users on same machine might use same code,
+ # meaning they would clobber each others files
+ # We could (a) rename the tmplogfile, or (b)
+ # just log to the console in that case.
+ # Here we default to the console.
+ if os.path.exists(tmplogfile) and not os.access(tmplogfile,os.W_OK):
+ loggername = loggername + "-console"
+ handler = logging.StreamHandler()
+ else:
+ handler=logging.handlers.RotatingFileHandler(tmplogfile,maxBytes=1000000, backupCount=5)
handler.setFormatter(logging.Formatter("%(asctime)s - %(levelname)s - %(message)s"))
self.logger=logging.getLogger(loggername)
self.logger.setLevel(level)
- self.logger.addHandler(handler)
+ # check if logger already has the handler we're about to add
+ handler_exists = False
+ for l_handler in self.logger.handlers:
+ if l_handler.baseFilename == handler.baseFilename and \
+ l_handler.level == handler.level:
+ handler_exists = True
+
+ if not handler_exists:
+ self.logger.addHandler(handler)
+
self.loggername=loggername
def setLevel(self,level):
def setLevelDebug(self):
self.logger.setLevel(logging.DEBUG)
+ def debugEnabled (self):
+ return self.logger.getEffectiveLevel() == logging.DEBUG
+
# define a verbose option with s/t like
# parser.add_option("-v", "--verbose", action="count", dest="verbose", default=0)
# and pass the coresponding options.verbose to this method to adjust level
self.logger.setLevel(logging.WARNING)
elif verbose==1:
self.logger.setLevel(logging.INFO)
- elif verbose==2:
+ elif verbose>=2:
self.logger.setLevel(logging.DEBUG)
+ # in case some other code needs a boolean
+ def getBoolVerboseFromOpt(self,verbose):
+ return verbose>=1
+ def getBoolDebugFromOpt(self,verbose):
+ return verbose>=2
####################
def info(self, msg):
def warn(self, msg):
self.logger.warn(msg)
+
+ # some code is using logger.warn(), some is using logger.warning()
+ def warning(self, msg):
+ self.logger.warning(msg)
def error(self, msg):
self.logger.error(msg)
# for investigation purposes, can be placed anywhere
def log_stack(self,message):
to_log="".join(traceback.format_stack())
- self.debug("%s BEG STACK"%message+"\n"+to_log)
- self.debug("%s END STACK"%message)
+ self.info("%s BEG STACK"%message+"\n"+to_log)
+ self.info("%s END STACK"%message)
+
+ def enable_console(self, stream=sys.stdout):
+ formatter = logging.Formatter("%(message)s")
+ handler = logging.StreamHandler(stream)
+ handler.setFormatter(formatter)
+ self.logger.addHandler(handler)
info_logger = _SfaLogger(loggername='info', level=logging.INFO)
error_logger = _SfaLogger(loggername='error', level=logging.ERROR)
critical_logger = _SfaLogger(loggername='critical', level=logging.CRITICAL)
logger = info_logger
-
+sfi_logger = _SfaLogger(logfile=os.path.expanduser("~/.sfi/")+'sfi.log',loggername='sfilog', level=logging.DEBUG)
########################################
import time
if __name__ == '__main__':
print 'testing sfalogging into logger.log'
- logger=_SfaLogger('logger.log')
- logger.critical("logger.critical")
- logger.error("logger.error")
- logger.warning("logger.warning")
- logger.info("logger.info")
- logger.debug("logger.debug")
- logger.setLevel(logging.DEBUG)
- logger.debug("logger.debug again")
+ logger1=_SfaLogger('logger.log', loggername='std(info)')
+ logger2=_SfaLogger('logger.log', loggername='error', level=logging.ERROR)
+ logger3=_SfaLogger('logger.log', loggername='debug', level=logging.DEBUG)
-
- @profile(my_logger)
- def sleep(seconds = 1):
- time.sleep(seconds)
-
- my_logger.info('console.info')
- sleep(0.5)
- my_logger.setLevel(logging.DEBUG)
- sleep(0.25)
+ for (logger,msg) in [ (logger1,"std(info)"),(logger2,"error"),(logger3,"debug")]:
+
+ print "====================",msg, logger.logger.handlers
+
+ logger.enable_console()
+ logger.critical("logger.critical")
+ logger.error("logger.error")
+ logger.warn("logger.warning")
+ logger.info("logger.info")
+ logger.debug("logger.debug")
+ logger.setLevel(logging.DEBUG)
+ logger.debug("logger.debug again")
+
+ @profile(logger)
+ def sleep(seconds = 1):
+ time.sleep(seconds)
+
+ logger.info('console.info')
+ sleep(0.5)
+ logger.setLevel(logging.DEBUG)
+ sleep(0.25)