openstack/deb-python-autobahn
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add note for python 3.3 users

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meejah 2016-08-19 15:02:33 -06:00
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examples/README.md
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@ -23,3 +23,13 @@ If you are new to Autobahn and WAMP, you should start with the following if you'
Note that many of the examples use the same URIs for topics or RPC endpoints, so you can mix and match which `backend` or `frontend` script (whether Python or JavaScript) you use. For example, a Web browser tab could load a `backend.html` page that does publishes while you run a Python `frontend.py` that subscribes to those topics.
[Set up locally to run the examples](running-the-examples.md).
## Python 3
All the examples are now using modern Python 3.5+ syntax (`await` and `async def`).
However, **everything works fine with earlier syntax** (`yield from` and `@asyncio.coroutine`) **or** with Python 2 and the "trollius" library. To use an example with older syntax, you'll have to change any `await` to `yield from` (or just `yield` for trollius) and change any `async def` to a plain `def` with the `@asyncio.coroutine` decorator.
To use trollius, additionally change `import asyncio` to `import trollius as asyncio`
For Twisted users, everything will work with Python 2.7 or Python 3 without changes.