ProgrammingError: You must not use 8-bit bytestrings...

【ProgrammingError: You must not use 8-bit bytestrings...】的更多相关文章

ProgrammingError: You must not use 8-bit bytestrings...

问题出现: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just switch your application to Unicode strings. 产生原因: 问题在用Python的sqlite3…

Python sqlite3.ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings......

完整的错误信息如下: You must not use 8-bit bytestrings unless you use a text _factory that can interpret 8-bit bytestrings (like text_factory = str).It is highly recomme nded that you instead just switch your application to Unicode strings. 原因: 使用sqlite3数据库,对…

[Python]sqlite3二进制文件存储问题(BLOB)(You must not use 8-bit bytestrings unless you use a text_factory...)

事情是这种: 博主尝试用Python的sqlite3数据库存放加密后的usernamepassword信息,表是这种 CREATE TABLE IF NOT EXISTS user ( userID INTEGER PRIMARY KEY AUTOINCREMENT, userStudentID BLOB NOT NULL UNIQUE ON CONFLICT IGNORE, userPassword BLOB NOT NULL ); 当中userStudentID and UserPasswo…

Django操作model时刻，一个错误：AttributeError:’ProgrammingError’ object has no attribute ‘traceback’

原因:在Django项目下对应的应用以下的models.py配置的model(也就是class)没有创建成对应的表. 这是怎么回事呢? 首先,将models.py里面的model创建成相应的数据库表的运行命令(DOS命令)为:manage.py syncdb. 可是我自己的电脑上运行该命令时.显示.Unknown command:syncdb.运行,manage.py help后的确没有发现这个子命令.最后网上搜索发现这个命令已经在Django1.9里面取消了. 而且stackoverflow里…

pymysql.err.ProgrammingError: 1064 (Python字符串转义问题)

代码: sql = """INSERT INTO video_info(video_id, title) VALUES("%s","%s")""" % (video_info["id"],video_info["title"]) 问题: pymysql.err.ProgrammingError: (1064, 'You have an error in your SQ…

django.db.utils.ProgrammingError: 1146 的解决办法

在models中设置完数据库相关的东西后执行命令 python manage.py makemigrations 此处无错误再次执行 python manage.py migrate 发生报错错误信息很长,仔细查找,发现错误根源 django.db.utils.ProgrammingError: (1146, "Table 'test.model_student' doesn't exist") 这个错误的原因是我手贱自己在mysql中删除了一张表,Django想做字段改变的时候发…

django.db.utils.ProgrammingError: (1146, "Table 'db_gold.user_ip_info' doesn't exist") RuntimeError: Model class scanhosts.models.HostLoginInfo doesn't declare an explicit app_label and isn't in an a

Error Msg 创建了一个apps的目录将所有app放入apps文件中, 将apps路径加入sys.path中:sys.insert(0, os.path.join(BASE_DIR, "apps")) 未改前: RuntimeError: Model class scanhosts.models.HostLoginInfo doesn't declare an explicit app_label and isn't in an application in INSTALLED_…