Switching Django configs on Google App Engine

settings.py

# Database configs, only one of those will be chosen based on the env
database_configs = {
    'development': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'wina',
        'USER': 'django',
        'PASSWORD': 'password',
        'HOST': '127.0.0.1',
        'PORT': '3306',
    },
    'production': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': '',
        'USER': '',
        'PASSWORD': '',
        'HOST': '',
        'PORT': '',
    }
}

DATABASES = {
    'default': database_configs['production'] if os.getenv('SERVER_SOFTWARE') and os.getenv('SERVER_SOFTWARE').startswith('Google App Engine/') else database_configs['development']
}