3 micro-topics in Services & APIs, each with the evidence that proves you have it and the written reason behind every link. Before you start, it rests on 4 other domains. Downstream, it holds up 3 domains.
3 topics · depth 7–9 of 16 · 2 internal links · 4 in · 3 out
Load-bearing links first. Each one says what in this domain rests on what outside it, and why.
1 link
Serve server-sent events rests on Route requests in FastAPI
A stream is served from a route.
1 link
Serve server-sent events rests on Work with headers and content types
SSE is defined by its content type and connection behavior.
1 link
Stream from an async iterator rests on Produce async iterators
Streaming yields from an async iterator.
1 link
Handle errors mid-stream rests on Design error responses
Error design carries over, but the response has already begun.
In prerequisite order. Each idea names the artifact that closes it, the market demand that put it on the map, and what it stands on.
Depth 7 · conceptual · scaffolded · M16 §16.3
Yields chunks as they are produced
Produce async iterators · Production Python
Streaming yields from an async iterator.
Depth 8 · procedural · scaffolded · M16 §16.3
Streams tokens over a long-lived response
Route requests in FastAPI · FastAPI
A stream is served from a route.
The events come from an iterator.
Work with headers and content types · HTTP
SSE is defined by its content type and connection behavior.
Depth 9 · conceptual · guided · M16 §16.3
Signals failure after the response has begun
Mid-stream failure only exists once you are streaming.
Design error responses · API Contracts
Error design carries over, but the response has already begun.
Everything downstream that names an idea here as a prerequisite, grouped by where it lives.
1 link
Consume server-sent events in the browser rests on Serve server-sent events
Something has to serve the stream you consume.
1 link
Load-test streaming endpoints rests on Serve server-sent events
You measure the stream you serve.
1 link
Test streaming endpoints rests on Serve server-sent events
You test the stream you serve.
Retool. Retrain. Relaunch.
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