keble-amz 2.0.0

Typed Amazon raw-data provider services for Keble.

keble-amz

keble-amz 2.x is the framework-free Amazon raw-data provider package. The legacy 1.x monolith remains preserved on maintenance branch 1.0.28; current source no longer embeds Keepa, cost analysis, shuffle/LLM analysis, ScraperAPI, or bundled wheels.

Install the current public provider line with pip install "keble-amz>=2.0.0,<3". Its public dependency bounds require the released data-infra contract, keble-db>=1.9.0, and keble-keepa>=1.3.0.

Architecture

keble-data-infra-contract
          ↑
keble-amz: AmazonServices ──> keble-keepa
          │                       │
          └── RedisLeaseManager <-┘ Mongo/Redis cache

AmazonServices exports three typed operations through one provider manifest:

• lookup_products(ProductLookupQuery) — exact batched ASIN lookup;
• search_products(ProductSearchQuery) — Keepa title finder plus product load;
• rank_products(ProductRankingQuery) — current official Amazon category bestseller board.

Provider methods return only keble-data-infra-contract values. Keepa DTOs, cache policy, and usage accounting remain owned by keble-keepa. Shared Money, AmazonMarketplace, hashing, and Redis owner-token leases are reused from Keble packages rather than redeclared.

The package exports no FastAPI app or router. keble-data-infra-api consumes the manifest and owns all paths, OpenAPI, error handlers, and runtime clients.

Cache and concurrency

Keepa remains the only normalized provider cache. Amazon wraps complete operation requests in RedisLeaseManager single-flight keys. Every contender re-enters the Keepa handler after acquiring ownership, so it rechecks Mongo and spends no upstream call after the first owner persists the result.

Redis lease acquisition and the cache-recheck-or-upstream critical section emit Sentry child spans when the API initializes telemetry. Span names contain only the stable Keepa operation and never ASINs, keywords, request JSON, responses, or credentials.

Lookup delegates to KeepaApiBatchLoader, preserving exact per-ASIN cache keys, caller order, duplicates, partial hits, negative hits, newest-write-wins repair, request batching, and usage accounting.

Verification

Python 3.13 and uv are required:

uv lock --check
uv run pytest -q \
  -m "not live and not slow and not eval and not local_stack and not db_stack and not container"
KEBLE_BACKEND_ENV_FILE=/path/to/keble.backend/.env \
RUN_INTEGRATION=1 RUN_REAL_DB=1 RUN_LOCAL_STACK=1 \
  uv run pytest -q tests/integration
KEBLE_BACKEND_ENV_FILE=/path/to/keble.backend/.env RUN_KEEPA_LIVE=1 \
  uv run pytest -q tests/live -m "live and keepa_live"
uv run npx --yes pyright .
uv build

Integration/live tests use unique Redis namespaces and Mongo collections and clean them after each run. Secrets resolve by explicit name through the shared backend-env test helper and are never copied into this repository.