get_weather.py

import json
import os

import boto3


dynamodb = boto3.resource('dynamodb')
table_name = os.environ.get("TABLE_NAME")

table = dynamodb.Table(table_name)

def lambda_handler(event, context):
    weather_id = event['pathParameters']['id']
    try:
        response = table.get_item(Key={'id': weather_id})
        return {
            'statusCode' : 200,
            'body' : json.dumps(response['Item'])
        }
    except table_name:
        return {
            'statusCode' : 500,
            'body': json.dumps('Error getting weather')
        }