Demonstrate Mapping of Python's asyncio to Compute Platform
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评估
- 难度
- 5/5
- 预计耗时
- 一周以上
- 新手友好度
- 35/100
- Issue 类型
- 功能
- 描述清晰度
- 基本清楚
- 活跃度
- 停滞
- 技术栈
- python, wasm
调研方向
首先比较 Spin SDK 的 src/spin_sdk/http/poll_loop.py 与 wasm_abi/wit/deps/fastly/compute.wit 中的 async_io 定义，然后审查 componentize-py 和 Python 的 asyncio.AbstractEventLoop 如何适配 preview2。完成的标准是定义出一种映射，使 Python async/await 能够在受支持的 compute 接口上与 Fastly 和第三方代码交互。
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描述
Many python backend developers may want to use python 3's asyncio in order to interact with fastly and third-party code using async/await. While, at this time, it is unlikely that we'll have significant parallelism outside of what is provided by the platform, this is something that would be a major missing piece as far as developer experience goes.
There's some prior art here for the work required in order to map python's asyncio to something like our WIT async_io definitions by folks at fermyon in the spin sdk (also referenced from compute-sdk-python documentation): https://github.com/spinframework/spin-python-sdk/blob/ffc517a11b2925e9e0338c44d3ce08d75f9fc0a1/src/spin_sdk/http/poll_loop.py
In the case of spin, they are defining an asyncio.AbstractEventLoop subclass. It is likely that with preview3 support this sort of definition may be provided as part of componentize-py; for preview2 compute only supports its bespoke select-ish thing which is what we would have to try to target, but it shouldn't be radically different from wasi:io/poll is my expectation.
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- Python
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fastly/compute-sdk-python 的其他 Issue
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fastly/compute-sdk-python#116 ·
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fastly/compute-sdk-python#98 ·
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fastly/compute-sdk-python#74 ·
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fastly/compute-sdk-python#61 ·
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fastly/compute-sdk-python#60 · 已指派 1 人 ·
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