Using python in AWS Lambda, how do I put/get an item from a DynamoDB table?
In Node.js this would be something like:
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dynamodb.getItem({
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"Key": {"fruitName" : 'banana'},
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"TableName": "fruitSalad"
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}, function(err, data) {
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if (err) {
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context.fail('Incorrect username or password');
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} else {
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context.succeed('yay it works');
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}
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});
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All I need is the python equivalent.
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Answer
Using Boto3 (Latest AWS SDK for python)
You import it with
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import boto3
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Then call the client via
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dynamodb = boto3.client('dynamodb')
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Get item example
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dynamodb.get_item(TableName='fruitSalad', Key={'fruitName':{'S':'Banana'}})
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Put item example
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dynamodb.put_item(TableName='fruitSalad', Item={'fruitName':{'S':'Banana'},'key2':{'N':'value2'}})
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‘S’ indicates a String value, ‘N’ is a numeric value
For other data types refer http://boto3.readthedocs.org/en/latest/reference/services/dynamodb.html#DynamoDB.Client.put_item