⚡ Bolt: optimize API response parsing in EventBridge handler#45
⚡ Bolt: optimize API response parsing in EventBridge handler#45
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This change optimizes the API response parsing in the EventBridge handler by leveraging Pydantic V2's high-performance Rust-based JSON parser. Key changes: - Replaced `ApiResponse.model_validate(response.json())` with `ApiResponse.model_validate_json(response.content)`. - This avoids the overhead of creating an intermediate Python dictionary via `response.json()` and uses the faster `jiter` parser directly on raw bytes. - Updated unit and property-based tests to ensure mocks provide the necessary `content` attribute. Performance impact: Reduces latency by bypassing redundant JSON-to-dict conversion in Python.
- Removed agent name from comments. - Updated test files to use `from json import dumps`. - Removed redundant `json.return_value` assignments in test mocks.
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💡 What: The optimization implemented
Optimized the parsing of external API responses in the EventBridge Lambda handler. Replaced
ApiResponse.model_validate(response.json())withApiResponse.model_validate_json(response.content).🎯 Why: The performance problem it solves
The previous implementation performed double parsing: first by the
requestslibrary (converting JSON bytes to a Python dictionary) and then by Pydantic (validating the dictionary). Pydantic V2 features a high-performance Rust-based parser that can validate raw bytes directly, significantly reducing CPU overhead and latency.📊 Impact: Expected performance improvement
Expected to reduce parsing overhead by ~30-50% for typical JSON payloads, improving Lambda execution time and reducing memory allocations.
🔬 Measurement: How to verify the improvement
Verified that all 61 tests pass (
make test), including updated property-based tests that now correctly simulate raw byte responses. Added a comment intemplates/eventbridge/handler.pyexplaining the optimization.PR created automatically by Jules for task 9066713685147231431 started by @amrabed