bridge_filelogger.py

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from .bridge_loggerinterface import ILogger
from .bridge_loggerhelpers import LoggerHelpers
 
 
class FileLogger(ILogger):
    
    
    def __init__(self, filename : str) -> None:
        self._filename = filename
        self._file = open(filename, mode="w")
 
    
 
    
    def _WriteLine(self, logLevel : str, msg : str) -> None:
        if self._file:
            formattedLine = LoggerHelpers.FormatLogLine(logLevel, msg)
            self._file.write("{}\n".format(formattedLine))
 
    #-------------------------------------------------------------------------
    # ILogger interface implementation
    #-------------------------------------------------------------------------
 
    
    def Close(self) -> None:
        if self._file:
            self._file.close()
            self._file = None
 
    
    def LogTrace(self, msg : str) -> None:
        self._WriteLine("TRACE", msg)
 
    
    def LogInfo(self, msg : str) -> None:
        self._WriteLine("INFO", msg)
 
    
    def LogError(self, msg : str) -> None:
        self._WriteLine("ERROR", msg)
 
 
    #--------------------------------------------------------------------------
    # Class factory static method
    #--------------------------------------------------------------------------
 
    
    @staticmethod
    def CreateLogger(filename : str) -> ILogger:
        return FileLogger(filename)