query_vends.py

from decimal import Decimal
import sys
import time

import boto3
from boto3.dynamodb.conditions import Key

session = boto3.Session(profile_name='anil')
client = session.resource('dynamodb')

if len(sys.argv) != 2:
    print('wrong number of args')
    exit(0)

device_id = sys.argv[1]
vends_tbl = client.Table('%s_vends' % device_id)
vends = vends_tbl.query(
    KeyConditionExpression=Key('product').eq('bag'),
)

print(vends)