(self)
return self.fileName
@rtype:  str
        @return: Filename of the main module of the process.
def get_filename(self):
        """
        @rtype:  str
        @return: Filename of the main module of the process.
        """
        if not self.fileName:
            self.fileName = self.get_image_name()
        return self.fileName
def get_filename ( self ) : if not self . fileName : self . fileName = self . get_image_name ( ) return self . fileName