July 2017
Beginner to intermediate
340 pages
7h 43m
English
Content preview from Python Microservices Development
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Asynchronous versus synchronous
Switching to an asynchronous model means you will need to use asynchronous code all the way down.
For example, if your microservice uses a Requests library that is not asynchronous, every call made to query an HTTP endpoint will block the event loop, and you will not benefit from asynchronicity.
And making an existing project asynchronous is not an easy task because it changes the design completely. Most projects that want to support asynchronous calls are redesigning everything from scratch.
The good news is that there are more and more asynchronous libraries available, which can be used to build a microservice. On PyPI, you can search for aio or asyncio.
This wiki page (https://github.com/python/asyncio/wiki/ThirdParty ...
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