The asyncstdlib library re-implements functions and classes of the Python standard library to make them compatible with async callables, iterables and context managers. It is fully agnostic to async event loops and seamlessly works with asyncio, third-party libraries such as trio, as well as any custom async event loop.

• Full set of async versions of advantageous standard library helpers, such as zip, map, enumerate, functools.reduce, itertools.tee, itertools.groupby and many others.
• Safe handling of async iterators to ensure prompt cleanup, as well as various helpers to simplify safely using custom async iterators.
• Small but powerful toolset to seamlessly integrate existing sync code into async programs and libraries.

Check out the documentation to get started or take a look around.