python-3.x - Flask Dynamo 连接问题(AttributeError : 'Dynamo' object has no attribute 'tables' )

Question

from flask import Flask
from flask_dynamo import Dynamo
import os
os.environ['AWS_ACCESS_KEY_ID'] = ''
os.environ['AWS_SECRET_ACCESS_KEY'] = ''
os.environ['AWS_REGION'] = 'ap-south-1'
app = Flask(__name__)
app.config['DYNAMO_TABLES'] = [
{
    'TableName': 'users',
    'KeySchema': [dict(AttributeName='username', KeyType='HASH')],
    'AttributeDefinitions': [dict(AttributeName='username', AttributeType='S')],
    'ProvisionedThroughput': dict(ReadCapacityUnits=5, WriteCapacityUnits=5)
}, {
     'TableName': 'groups',
    'KeySchema': [dict(AttributeName='name', KeyType='HASH')],
    'AttributeDefinitions': [dict(AttributeName='name', AttributeType='S')],
    'ProvisionedThroughput': dict(ReadCapacityUnits=5, WriteCapacityUnits=5)
}
      ]
app.config['DYNAMO_ENABLE_LOCAL'] = True
app.config['DYNAMO_LOCAL_HOST'] = 'localhost'
app.config['DYNAMO_LOCAL_PORT'] = 9000
dynamo = Dynamo()

已经定义了 flask 发电机的表配置并创建了发电机实例，当我尝试获取创建所有表时出现 的错误builtins.AttributeError AttributeError: 'Dynamo' 对象没有属性 'tables'

@app.route('/', methods=['GET'])
def hello_world():
    with app.app_context():
        dynamo.create_all()
    return 'table created!'

环境

python3 flask-dynamo

提前致谢

Answer 1

这一行:

dynamo = Dynamo()

应该:

dynamo = Dynamo(app)

这样，发电机实例可以访问您在应用程序对象上定义的表和其他配置。