Event loop, tasks, and other asyncio components
The asyncio module provides several key components for asynchronous programming. The event loop is the core of asyncio applications - it runs asynchronous tasks and callbacks, performs network I/O, and runs subprocesses. Tasks are used to schedule coroutines concurrently and manage their execution. Futures represent eventual results of asynchronous operations. asyncio provides utilities for working with streams (high-level network I/O), synchronization primitives (locks, events, semaphores), and subprocess execution. The module also includes support for queues for producer-consumer patterns. Understanding these components allows you to build complex asynchronous applications that efficiently handle many concurrent operations. asyncio is designed to be used with async/await syntax but also provides lower-level APIs for more control. Proper error handling, cancellation, and resource management are important considerations in asynchronous programming.