Export / import AWS dynamodb table from json file with correct data types using python

export.py

from __future__ import print_function  # Python 2/3 compatibility
import json
import boto3

# AWS_ACCESS = ""
# AWS_SECRET = ""
AWS_REGION = "eu-west-3"
TABLE_NAME = "users"

client = boto3.client(
    'dynamodb',
    # aws_secret_access_key=AWS_SECRET,
    # aws_access_key_id=AWS_ACCESS,
    region_name=AWS_REGION)

response = client.scan(
    TableName=TABLE_NAME,
    Select='ALL_ATTRIBUTES',
    ReturnConsumedCapacity='TOTAL'
)
# print(json.dumps(response))
with open(TABLE_NAME+'.json', 'w') as f:
    print(json.dumps(response), file=f)

import.py

from __future__ import print_function  # Python 2/3 compatibility
import json
import boto3
from pprint import pprint
from decimal import Decimal

# AWS_ACCESS = ""
# AWS_SECRET = ""
AWS_REGION = "eu-west-3"
TABLE_NAME = "users"

# Build New dict with Correct Datatypes

"""The method to deserialize the DynamoDB data types.

:param value: A DynamoDB value to be deserialized to a pythonic value.
Here are the various conversions:

DynamoDB                                Python
--------                                ------
{'NULL': True}                          None
{'BOOL': True/False}                    True/False
{'N': str(value)}                       Decimal(str(value))
{'S': string}                           string
{'B': bytes}                            Binary(bytes)
{'NS': [str(value)]}                    set([Decimal(str(value))])
{'SS': [string]}                        set([string])
{'BS': [bytes]}                         set([bytes])
{'L': list}                             list
{'M': dict}                             dict

:returns: The pythonic value of the DynamoDB type.
"""
# https://boto3.amazonaws.com/v1/documentation/api/latest/_modules/boto3/dynamodb/types.html

with open(TABLE_NAME+'.json', 'r') as f:
    distros_dict = json.load(f)

dynamodb = boto3.resource(
    'dynamodb',
    # aws_secret_access_key=AWS_SECRET,
    # aws_access_key_id=AWS_ACCESS,
    region_name=AWS_REGION)

table = dynamodb.Table(TABLE_NAME)
mylist = distros_dict['Items']
for mydict in mylist:
    boto3.resource('dynamodb')
    deserializer = boto3.dynamodb.types.TypeDeserializer()
    python_data = {k: deserializer.deserialize(v) for k, v in mydict.items()}
    pprint(python_data)
    response = table.put_item(Item=python_data)