我正在使用 Django 模型,例如:
pickle_embedding_file=models.FileField(upload_to='pickle_embedding/',blank=True,null=True)
每当我调用以下函数时:
def set_pickle_embeddingFile(self,dict):
content = pickle.dumps(dict)
fid = ContentFile(content)
self.pickle_embedding_file.save(str(self.user_id)+"pickle.pickle",fid)
fid.close()
它正在创建一个新文件:
68b335fa-6838-4c11-bd2a-32526d9b112dpickle.pickle
68b335fa-6838-4c11-bd2a-32526d9b112dpickle_jHIn3B6.pickle
68b335fa-6838-4c11-bd2a-32526d9b112dpickle_KJ5zBG0.pickle
68b335fa-6838-4c11-bd2a-32526d9b112dpickle_PUepizZ.pickle
68b335fa-6838-4c11-bd2a-32526d9b112dpickle_TREbCvy.pickle
我想覆盖文件或想删除旧文件。我怎样才能做到这一点?