1.问题:
最近在学Django时遇到了一个问题,python3.6版本下使用pip安装mysql-python失败。其实一句话很简单,python3以上使用的是pymysql,如果是python2.7对应的是下mysql-python。那如何让Django驱动mysql数据库
当输入pip install mysql-python时报以下错误:
pip install mysql-python
错误信息如下Traceback (most recent call last):
File "D:\python\Python36\lib\site-packages\django\db\backends\mysql\base.py", line 26, in <module>
import MySQLdb as Database
ModuleNotFoundError: No module named 'MySQLdb'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "D:\python\Python36\lib\site-packages\django\core\management\__init__.py", line 364, in execute_from_command_line
utility.execute()
File "D:\python\Python36\lib\site-packages\django\core\management\__init__.py", line 338, in execute
django.setup()
File "D:\python\Python36\lib\site-packages\django\__init__.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "D:\python\Python36\lib\site-packages\django\apps\registry.py", line 108, in populate
app_config.import_models()
File "D:\python\Python36\lib\site-packages\django\apps\config.py", line 202, in import_models
self.models_module = import_module(models_module_name)
File "D:\python\Python36\lib\importlib\__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 994, in _gcd_import
File "<frozen importlib._bootstrap>", line 971, in _find_and_load
File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "D:\python\Python36\lib\site-packages\django\contrib\auth\models.py", line 4, in <module>
from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
File "D:\python\Python36\lib\site-packages\django\contrib\auth\base_user.py", line 52, in <module>
class AbstractBaseUser(models.Model):
File "D:\python\Python36\lib\site-packages\django\db\models\base.py", line 124, in __new__
new_class.add_to_class('_meta', Options(meta, app_label))
File "D:\python\Python36\lib\site-packages\django\db\models\base.py", line 325, in add_to_class
value.contribute_to_class(cls, name)
File "D:\python\Python36\lib\site-packages\django\db\models\options.py", line 214, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "D:\python\Python36\lib\site-packages\django\db\__init__.py", line 33, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "D:\python\Python36\lib\site-packages\django\db\utils.py", line 211, in __getitem__
backend = load_backend(db['ENGINE'])
File "D:\python\Python36\lib\site-packages\django\db\utils.py", line 115, in load_backend
return import_module('%s.base' % backend_name)
File "D:\python\Python36\lib\importlib\__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "D:\python\Python36\lib\site-packages\django\db\backends\mysql\base.py", line 30, in <module>
'Did you install mysqlclient or MySQL-python?' % e
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named 'MySQLdb'.
Did you install mysqlclient or MySQL-python?
原因:python3以上并不支持,python3以上使用pymysql,python2.7对应mysql-python。2.解决python3.6+Django+MySQL:
Django中的使用方法,在项目有wsgi.py 和 setting.py目录里的init.py下加如下代码:
import pymysql
pymysql.install_as_MySQLdb()
然后就可以在命令行下输入创建应用的命令了。
python manage.py startapp XXX