执行: python manage.py makemigrations报AttributeError: 'str' object has no attribute 'decode'

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执行: python manage.py makemigrations报AttributeError: 'str' object has no attribute 'decode'

找到错误代码(line146):query = query.encode(errors='replace') 解决方法:把decode改为encode即可.…

执行 Run manage.py Task 报 AttributeError: 'Command' object has no attribute 'usage'?

这个问题,是python与Pycharm不兼容导致,解决办法将Pycharm升级最新版本…

django 执行 python manage.py makemigrations 报错

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Django ：执行 python manage.py makemigrations 时报错 TypeError: init() missing 1 required positional argument: 'on_delete'

原因执行命令 python manage.py makemigrations 报错 TypeError: __init__() missing 1 required positional argument: 'on_delete' 定义外键报错解决办法字段名称 = models.ForeignKey('表名', on_delete=models.CASCADE) on_delete=models.CASCADE 在 django2.0之前有默认值,之后版本就需要显式指定…

DjangoORM 执行 python manage.py makemigrations出现 no changes detected

出现 no changes detected python manage.py makemigrations No changes detected 为什么出现这种情况: 当执行这条命令,他会去找所有models,在数据库生成表因为有时候app项目多的时候,他就不知道找哪个models了,不知道在哪个models生成数据库表这里有models.py 需要要django setting配置文件这里加上 app项目名字例如 cmdb 那django就会去cmdb项目下找models.py…

执行python manage.py makemigrations时报错TypeError: init() missing 1 required positional argument: 'on_delete'

在执行python manage.py makemigrations时报错: TypeError: __init__() missing 1 required positional argument: 'on_delete' 解决方法: 在连接外键时加上: on_delete=models.CASCADE…

Django2.2报错 AttributeError: 'str' object has no attribute 'decode'

准备将 Django 连接到 MySQL,在命令行输入命令 python manage.py makemigrations 后报错: AttributeError: 'str' object has no attribute 'decode' 出现这个错误之后可以根据错误提示找到文件位置,打开 operations.py 文件,找到以下代码: def last_executed_query(self, cursor, sql, params): # With MySQLdb, cursor ob…