from __future__ import print_function
import boto3
import json
import sys
# Note - Do not change the class name and constructor
# You are free to add any functions to this class without changing the specifications mentioned below.
class DynamoDBHandler:
def __init__(self, region):
self.client = boto3.client('dynamodb')
self.resource = boto3.resource('dynamodb', region_name=region)
def create_and_load_data(self, tableName, fileName):
# TODO - This function should create a table named <tableName>
# and load data from the file named <fileName>
def dispatch(self, command_string):
# TODO - This function takes in as input a string command (e.g. 'insert_movie')
# the return value of the function should depend on the command
# For commands 'insert_movie', 'delete_movie', 'update_movie', delete_table' :
# return the message as a string that is expected as the output of the command
# For commands 'search_movie_actor', 'search_movie_actor_director', print_stats' :
# return the a list of json objects where each json object has only the required
# keys and attributes of the expected result items.
# Note: You should not print anything to the command line in this function.
response = None
return response
def main():
# TODO - implement the main function so that the required functionality for the program is achieved.
if __name__ == '__main__':
main()
