Example for flask-dynamodb that is throwing an exception for Syntax error?

Question

Looking at the example for the flask_dynamo api. https://flask-dynamo.readthedocs.io/en/latest/quickstart.html Just curious why this would give an error?

from flask import Flask
from flask_dynamo import Dynamo



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)
            }
        ]

The error is: TableName='users', ^ SyntaxError: invalid syntax

How is this invalid syntax?

Milan Cermak · Accepted Answer · 2019-03-11 20:37:46Z

4

Maybe a typo in the docs? I'm guessing the intention is to have the items in the array as dictionaries. Try to do that:

app.config['DYNAMO_TABLES'] = [
            dict(
                 TableName='users',
                 KeySchema=[dict(AttributeName='username', KeyType='HASH')],
                 AttributeDefinitions=[dict(AttributeName='username', AttributeType='S')],
                 ProvisionedThroughput=dict(ReadCapacityUnits=5, WriteCapacityUnits=5)
            ),
            dict(
                 TableName='groups',
                 KeySchema=[dict(AttributeName='name', KeyType='HASH')],
                 AttributeDefinitions=[dict(AttributeName='name', AttributeType='S')],
                 ProvisionedThroughput=dict(ReadCapacityUnits=5, WriteCapacityUnits=5)
            )
        ]

answered Mar 11, 2019 at 20:37

Milan Cermak

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