1、settings.py中的配置
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'djradio',
'USER': 'root',
'PASSWORD': 'root',
'HOST': '127.0.0.1',
'PORT': '3306',
}
}
2、执行数据库迁移
python manage.py migrate
产生以下错误：
bogon:Gawaine vincen python manage.py migrate
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/Library/Python/2.7/site-packages/django/core/management/__init__.py", line 350, in execute_from_command_line
utility.execute()
File "/Library/Python/2.7/site-packages/django/core/management/__init__.py", line 324, in execute
django.setup()
File "/Library/Python/2.7/site-packages/django/__init__.py", line 18, in setup
apps.populate(settings.INSTALLED_APPS)
File "/Library/Python/2.7/site-packages/django/apps/registry.py", line 108, in populate
app_config.import_models(all_models)
File "/Library/Python/2.7/site-packages/django/apps/config.py", line 202, in import_models
self.models_module = import_module(models_module_name)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/Library/Python/2.7/site-packages/django/contrib/auth/models.py", line 4, in <module>
from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
File "/Library/Python/2.7/site-packages/django/contrib/auth/base_user.py", line 49, in <module>
class AbstractBaseUser(models.Model):
File "/Library/Python/2.7/site-packages/django/db/models/base.py", line 108, in __new__
new_class.add_to_class('_meta', Options(meta, app_label))
File "/Library/Python/2.7/site-packages/django/db/models/base.py", line 299, in add_to_class
value.contribute_to_class(cls, name)
File "/Library/Python/2.7/site-packages/django/db/models/options.py", line 263, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "/Library/Python/2.7/site-packages/django/db/__init__.py", line 36, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "/Library/Python/2.7/site-packages/django/db/utils.py", line 212, in __getitem__
backend = load_backend(db['ENGINE'])
File "/Library/Python/2.7/site-packages/django/db/utils.py", line 116, in load_backend
return import_module('%s.base' % backend_name)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/Library/Python/2.7/site-packages/django/db/backends/mysql/base.py", line 28, in <module>
raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e)
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
3、安装mysql-python，解决上述问题
sudo pip install mysql-python
继续执行数据库迁移的命令，报如下错误：
bogon:Gawaine vincen python manage.py migrate
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/Library/Python/2.7/site-packages/django/core/management/init.py", line 350, in execute_from_command_line
utility.execute()
File "/Library/Python/2.7/site-packages/django/core/management/init.py", line 324, in execute
django.setup()
File "/Library/Python/2.7/site-packages/django/init.py", line 18, in setup
apps.populate(settings.INSTALLED_APPS)
File "/Library/Python/2.7/site-packages/django/apps/registry.py", line 108, in populate
app_config.import_models(all_models)
File "/Library/Python/2.7/site-packages/django/apps/config.py", line 202, in import_models
self.models_module = import_module(models_module_name)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/init.py", line 37, in import_module
import(name)
File "/Library/Python/2.7/site-packages/django/contrib/auth/models.py", line 4, in <module>
from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
File "/Library/Python/2.7/site-packages/django/contrib/auth/base_user.py", line 49, in <module>
class AbstractBaseUser(models.Model):
File "/Library/Python/2.7/site-packages/django/db/models/base.py", line 108, in new
new_class.add_to_class('meta', Options(meta, app_label))
File "/Library/Python/2.7/site-packages/django/db/models/base.py", line 299, in add_to_class
value.contribute_to_class(cls, name)
File "/Library/Python/2.7/site-packages/django/db/models/options.py", line 263, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "/Library/Python/2.7/site-packages/django/db/init.py", line 36, in getattr
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "/Library/Python/2.7/site-packages/django/db/utils.py", line 212, in getitem
backend = load_backend(db['ENGINE'])
File "/Library/Python/2.7/site-packages/django/db/utils.py", line 116, in load_backend
return import_module('%s.base' % backend_name)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/init.py", line 37, in import_module
import(name)
File "/Library/Python/2.7/site-packages/django/db/backends/mysql/base.py", line 28, in <module>
raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e)
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: dlopen(/Library/Python/2.7/site-packages/mysql.so, 2): Library not loaded: libmysqlclient.18.dylib
Referenced from: /Library/Python/2.7/site-packages/mysql.so
Reason: unsafe use of relative rpath libmysqlclient.18.dylib in /Library/Python/2.7/site-packages/mysql.so with restricted binary
4、原因和解决方法如下：
` In OS X El Capitan (10.11), Apple added System Integrity Protection. This prevents programs in protected locations like /usr from calling a shared library that uses a relative reference to another shared library. In the case of _mysql.so, it contains a relative reference to the shared library libmysqlclient.18.dylib. In the future, the shared library _mysql.so may be updated. Until then, you can force it to use an absolute reference via the install_name_tool utility. Assuming that libmysqlclient.18.dylib is in /usr/local/mysql/lib/, then run the command: `
sudo install_name_tool -change libmysqlclient.18.dylib \
/usr/local/mysql/lib/libmysqlclient.18.dylib \
/Library/Python/2.7/site-packages/_mysql.so
或者：
sudo ln -s /usr/local/mysql-5.6.26-osx10.8-x86_64/lib/libmysqlclient.18.dylib /usr/local/lib/libmysqlclient.18.dylib
在执行数据迁移，成功。