云sql连接错误（OperationalError）

Question

在谷歌应用引擎上上传应用程序后出现以下错误。 但是在我的本地机器上一切正常

OperationalError at /users/

(2004, "Can't create TCP/IP socket (-1)")

Request Method:     GET
Request URL:    http://arctic-anvil-728.appspot.com/users/
Django Version:     1.4.13
Exception Type:     OperationalError
Exception Value:    

(2004, "Can't create TCP/IP socket (-1)")

Exception Location:     /base/data/home/runtimes/python27/python27_lib/versions/third_party/MySQLdb-1.2.4b4/MySQLdb/connections.py in __init__, line 190
Python Executable:  /base/data/home/runtimes/python27/python27_dist/python
Python Version:     2.7.5
Python Path:    

['/base/data/home/apps/s~arctic-anvil-728/1.379355097665075133',
 '/base/data/home/runtimes/python27/python27_dist/lib/python27.zip',
 '/base/data/home/runtimes/python27/python27_dist/lib/python2.7',
 '/base/data/home/runtimes/python27/python27_dist/lib/python2.7/plat-linux2',
 '/base/data/home/runtimes/python27/python27_dist/lib/python2.7/lib-tk',
 '/base/data/home/runtimes/python27/python27_dist/lib/python2.7/lib-old',
 '/base/data/home/runtimes/python27/python27_dist/lib/python2.7/lib-dynload',
 '/base/data/home/runtimes/python27/python27_dist/lib/python2.7/site-packages',
 '/base/data/home/runtimes/python27/python27_lib/versions/1',
 '/base/data/home/runtimes/python27/python27_lib/versions/third_party/MySQLdb-1.2.4b4',
 '/base/data/home/runtimes/python27/python27_lib/versions/third_party/django-1.4',
 '/base/data/home/runtimes/python27/python27_lib/versions/third_party/protorpc-1.0',
 '/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3',
 '/base/data/home/runtimes/python27/python27_lib/versions/third_party/webob-1.1.1',
 '/base/data/home/runtimes/python27/python27_lib/versions/third_party/yaml-3.10']

Server time:    Mon, 13 Oct 2014 13:45:19 +0000

请帮我解决这个问题。

提前致谢

Answer 1

感谢托尼的回答，是的，我已经阅读了文档，但没有运气:( 我正在使用带有谷歌应用引擎的 Django 休息框架 请查看我的“settings.py”文件：

"""

For more information on this file, see
https://docs.djangoproject.com/en/1.6/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.6/ref/settings/
"""

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
import os
BASE_DIR = os.path.dirname(os.path.dirname(__file__))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.6/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '*****************************************'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

TEMPLATE_DEBUG = True

ALLOWED_HOSTS = ['*']


# Application definition

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
)

MIDDLEWARE_CLASSES = (
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    #'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
)

ROOT_URLCONF = 'my-rest.urls'

WSGI_APPLICATION = 'my-rest.application'


# Database
# https://docs.djangoproject.com/en/1.6/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'INSTANCE': 'appid:sql_instance_id',
        'NAME': '********',
        'USER': '********',
        'HOST': '***.**.**.**',
        'PASSWORD': '*********',
    }
}

#DATABASES = {
#    'default': {
#        'ENGINE': 'django.db.backends.mysql',
#        'NAME': 'app_engine',
#        'USER': 'root',
#        'HOST': 'localhost',
#        'PASSWORD': ''
#    }
#}

# Internationalization
# https://docs.djangoproject.com/en/1.6/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

REST_FRAMEWORK = {
    # Use Django's standard `django.contrib.auth` permissions,
    # or allow read-only access for unauthenticated users.
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly'
    ]
}


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.6/howto/static-files/

STATIC_URL = '/static/'

如果有人想要我的示例代码，我可以提供。 请告诉我这段代码有什么问题。

Answer 2

请查看documentation。从 App Engine 连接时，您应该使用 unix_socket。