worker.py
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#! /usr/bin/env python3 | |
import boto3 | |
import time | |
import os | |
REGION = os.getenv('AWS_REGION', 'us-east-1') | |
def fibonacci(n): | |
if n <= 0: | |
print("incorect input") | |
elif n == 1: | |
return 0 | |
elif n==2: | |
return 1 | |
else: | |
return fibonacci(n-1)+fibonacci(n-2) | |
if __name__ == "__main__": | |
sqs = boto3.resource('sqs', region_name=REGION) | |
# Get the queue | |
queue = sqs.get_queue_by_name(QueueName='Expense-Report-Queue') | |
count = 0 | |
while True: | |
count = 1 + count | |
print("while loop: ", count) | |
for message in queue.receive_messages(MessageAttributeNames=['All'], MaxNumberOfMessages=10): | |
print("processing message on sqs") | |
number_text='0' | |
if message.message_attributes is not None: | |
number = (message.message_attributes.get('Fibonacci').get('StringValue')) | |
if number: | |
number_text = '{0}'.format(number) | |
number = int(number) | |
print(fibonacci(number)) | |
print('{0}{1}'.format(message.body, number_text)) | |
print('deleting message', count) | |
message.delete() | |
time.sleep(2) |
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