Introducing FastStream: Code Generation Meets Stream Processing
summary
A new Python library called FastStream merges ideas from FastAPI, FastKafka and Propan to provide a multi-broker streaming framework with in-memory Kafka broker for CI, automatic OpenAPI-style docs, dependency injection and pluggable serializers. It ships an automated pipeline that uses LLMs to generate application code plus integration tests (automatic code+test generation), retries until tests pass, and reports ~300 GitHub stars and a measured 93% success rate on examples with generation costs around $0.11.
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chapters (9)
- 0:00The problem with production
- 1:30Building FastStream
- 3:46Community feedback and growth
- 5:28LLMs for code automation
- 7:28Evolving into FastStream
- 10:40Proof of concept for autonomy
- 12:29Tutorial on automated systems
- 16:52From waterfall to agile agents
- 21:26Q&A and future outlook
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