Try to open the input file

def try_opening_file(self):
        '''Try to open the input file'''
        # read all the file to tail til the end...
        if os.path.isfile(self.path):
            self.my_log_file = tyler.Tyler(self.path)
            try:
                for line in self.my_log_file:
                    pass
            except StopIteration:
                pass

            self.file_is_opened = True