Source code for direct.directnotify.Logger

"""Logger module: contains the logger class which creates and writes
   data to log files on disk"""

import time
import math

[docs]class Logger:
[docs] def __init__(self, fileName="log"): """ Logger constructor """ self.__timeStamp = 1 self.__startTime = 0.0 self.__logFile = None self.__logFileName = fileName
[docs] def setTimeStamp(self, enable): """ Toggle time stamp printing with log entries on and off """ self.__timeStamp = enable
[docs] def getTimeStamp(self): """ Return whether or not we are printing time stamps with log entries """ return self.__timeStamp
# logging control
[docs] def resetStartTime(self): """ Reset the start time of the log file for time stamps """ self.__startTime = time.time()
[docs] def log(self, entryString): """log(self, string) Print the given string to the log file""" if self.__logFile is None: self.__openLogFile() if self.__timeStamp: self.__logFile.write(self.__getTimeStamp()) self.__logFile.write(entryString + '\n')
# logging functions def __openLogFile(self): """ Open a file for logging error/warning messages """ self.resetStartTime() t = time.localtime(self.__startTime) st = time.strftime("%m-%d-%Y-%H-%M-%S", t) logFileName = self.__logFileName + "." + st self.__logFile = open(logFileName, "w") def __closeLogFile(self): """ Close the error/warning output file """ if self.__logFile is not None: self.__logFile.close() def __getTimeStamp(self): """ Return the offset between current time and log file startTime """ t = time.time() dt = t - self.__startTime days, dt = divmod(dt, 86400) hours, dt = divmod(dt, 3600) minutes, dt = divmod(dt, 60) seconds = int(math.ceil(dt)) return "%02d:%02d:%02d:%02d: " % (days, hours, minutes, seconds)