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sniffio: Sniff out which async library your code is running under
=================================================================
You're writing a library. You've decided to be ambitious, and support
multiple async I/O packages, like [Trio
], and [asyncio
], and ... You've
written a bunch of clever code to handle all the differences. But...
how do you know *which* piece of clever code to run?
This is a tiny package whose only purpose is to let you detect which
async library your code is running under.
* Documentation: https://sniffio.readthedocs.io
* Bug tracker and source code: https://github.com/python-trio/sniffio
* License: MIT or Apache License 2.0, your choice
* Contributor guide:
https://trio.readthedocs.io/en/latest/contributing.html
* Code of conduct: Contributors are requested to follow our [code of
conduct
]
in all project spaces.
This library is maintained by the Trio project, as a service to the
async Python community as a whole.
Quickstart
----------
.. code-block:: python3
from sniffio import current_async_library
import trio
import asyncio
async def print_library():
library = current_async_library()
print("This is:", library)
# Prints "This is trio"
trio.run(print_library)
# Prints "This is asyncio"
asyncio.run(print_library())
For more details, including how to add support to new async libraries,
[please peruse our fine manual].
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