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Streaming & messaging

Kafka-style pub/sub, event consumers, async pipelines, and message-driven workflows.

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Streaming & messaging easy

Implement a FIFO Message Queue in Python with deque

This code implements a FIFO (first-in-first-out) message queue class using Python's collections.deque, providing enqueue, dequeue, peek, and size operations.

queue deque fifo
Python 
from collections import deque

class MessageQueue:
    def __init__(self):
        self.queue = deque()

    def enqueue(self, message):
        self.queue.append(message)
        print(f"Enqueued: {message}")

    def dequeue(self):
        if self.is_empty():
            print("Queue is empty, cannot dequeue.")
    …
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