<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def force_populate(self):
 """ Populates the parser with the entire contents of the word reference file. """

        if not os.path.exists(self.ref):
            raise FileNotFoundError("The reference file path '{}' does not exists.".format(self.ref))
        with open(self.ref, 'r') as f:
            for word in f:
                word = word.strip('\n')
                self.db.add(word)
        self.populated = True