Asyncio.run
asyncio.run is a Python standard-library function that runs a coroutine in a newly created event loop, returns its result, and closes the loop after completion.
Python Concurrency with asyncio
asyncio.run is a high-level function that executes an asynchronous entry-point coroutine in a newly managed event loop and performs shutdown cleanup.
- How it is used
- Runs the single top-level coroutine that serves as an asyncio application's entry point.
- How deep it goes
- Explains loop creation, coroutine execution, cleanup, shutdown, and debug mode, while deferring custom low-level control to manual management.
- Examples
- Uses coroutine_add_one(1), debug=True, custom graceful shutdown, and one event loop per process.
- What you can do after
- Apply it via asyncio to launch an asynchronous application's main coroutine and receive its completed result.
Read how Python Concurrency with asyncio explains asyncio.run →
Building LLM Applications with DSPy
asyncio.run is a function that runs an asynchronous entry-point coroutine in a new event loop.
- How it is used
- Starts an asynchronous application's entry-point coroutine by creating and running an event loop.
- How deep it goes
- Explains loop creation, coroutine startup, repeat calls, and the restriction against simultaneous event loops.
- Examples
- Demonstrates two sleep-based coroutines gathered concurrently, returning both results and measuring elapsed time.
- What you can do after
- Operate asynchronous code by passing an async entry-point coroutine to asyncio.run().
Read how Building LLM Applications with DSPy explains asyncio.run →
Related concepts
- coroutineuses · A coroutine is a computation that can suspend and later resume execution while retaining its state, enabling cooperative transfer of control.
- event loopproduces · An event loop is a runtime mechanism that repeatedly selects ready events or tasks and dispatches their associated work for execution.
- asyncio.run_coroutine_threadsafealternative to · asyncio.run_coroutine_threadsafe is an asyncio function that submits a coroutine to an event loop from another thread and returns a concurrent.futures future.
- debugging modeconfigures · Debugging mode is a software configuration or execution state that enables diagnostic facilities for examining and troubleshooting program behavior.
- asyncio.new_event_loopalternative to · asyncio.new_event_loop is a Python API function that creates and returns a new event loop.
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