Tag: Amazon S3

How to load a JSON file from S3 to a Python dictionary using boto3

If you want to get a JSON file from an S3 Bucket and load it into a Python Dictionary then you can use the example codes below.

There are 4 scenarios for the examples scripts below.

  1. Basic JSON file from S3 to Python Dictionary
  2. With Try/Except block
  3. With datetime, date, and time conversions
  4. Running the code in a Lambda Function

AWS boto3 provides 2 ways to access S3 files, the boto3.client('s3') and boto3.resource('s3'). For each of the example scenarios above, a code will be provided for the two methods.

Since both method will function the same, you can choose whichever method you like.

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How to read a file in S3 and store it in a String using Python and boto3

If you want to get a file from an S3 Bucket and then put it in a Python string, try the examples below.

boto3, the AWS SDK for Python, offers two distinct methods for accessing files or objects in Amazon S3: client method and the resource method.

Option 1 uses the boto3.client('s3') method, while options 2 and 3 use the boto3.resource('s3') method.

All 3 options do the exact same thing so get the one that you feel comfortable with or the one that will fit your use case.

Continue reading How to read a file in S3 and store it in a String using Python and boto3