Python SDK

What's Changed

• feat(batch-evaluation): allow passing fields param for efficient trace fetching by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1502
• chore(deps): bump protobuf from 6.33.0 to 6.33.5 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1507

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.12.1...v3.13.0

What's Changed

• chore(deps-dev): bump virtualenv from 20.35.3 to 20.36.1 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1499
• chore(deps-dev): bump filelock from 3.20.1 to 3.20.3 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1500
• Add metadata parameter to score_current_span and score_current_trace by @doniyor2109 in https://github.com/langfuse/langfuse-python/pull/1501
• fix: Skip trace url generation when tracing is disabled by @jdidzik in https://github.com/langfuse/langfuse-python/pull/1503
• fix(batch-evaluation): pass trace ID for score creation if scope = observations by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1504

New Contributors

• @doniyor2109 made their first contribution in https://github.com/langfuse/langfuse-python/pull/1501
• @jdidzik made their first contribution in https://github.com/langfuse/langfuse-python/pull/1503

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.12.0...v3.12.1

What's Changed

• feat(api): update API spec from langfuse/langfuse d59b6a3 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1489
• chore(deps): bump urllib3 from 2.6.0 to 2.6.3 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1493
• feat(api): update API spec from langfuse/langfuse 41f064c by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1492
• chore(deps-dev): bump werkzeug from 3.1.4 to 3.1.5 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1494
• feat(api): update API spec from langfuse/langfuse 99ffc45 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1495
• fix(experiments): move evaluations to root experiment span by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1497
• feat(client): add score metadata argument to span client score methods by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1498
• feat(client): add methods to langfuse client to fetch and delete dataset runs by @marliessophie in https://github.com/langfuse/langfuse-python/pull/1453

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.11.2...v3.12.0

What's Changed

• fix(client): reuse httpx client in get_client by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1482
• chore(deps-dev): bump langchain-core from 1.0.7 to 1.2.5 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1488

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.11.1...v3.11.2

What's Changed

• feat(api): update API spec from langfuse/langfuse 3dbec46 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1479
• fix(langchain): allow prompt linking with langchain v1 create_agent by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1481

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.11.0...v3.11.1

What's Changed

• fix(langchain): update docstring for trace_context by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1476
• chore(deps-dev): bump filelock from 3.20.0 to 3.20.1 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1477
• feat(client): allow propagating trace name by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1478

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.10.7...v3.11.0

What's Changed

• fix(client): flush on shutdown by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1474

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.10.6...v3.10.7

What's Changed

• feat(api): update API spec from langfuse/langfuse fc04a50 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1467
• chore(deps): bump urllib3 from 2.5.0 to 2.6.0 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1468
• fix(openai): handle parsed_n non integer by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1470
• fix(resource-manager): flush custom tracer provider if provided by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1469

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.10.5...v3.10.6

What's Changed

• feat(client): Add optional timestamp parameter to score creation by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1464
• fix(resource_manager): define tracer_provider if tracing_enabled=False by @cdepeuter in https://github.com/langfuse/langfuse-python/pull/1465

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.10.4...v3.10.5

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.10.4...v3.10.4a1

What's Changed

• chore(deps-dev): bump werkzeug from 3.1.3 to 3.1.4 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1462

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.10.3...v3.10.4

What's Changed

• fix(gemini): gemini input token calculation when implicit cache is hit using langchain by @aablsk in https://github.com/langfuse/langfuse-python/pull/1451
• feat(api): update API spec from langfuse/langfuse ad16fa0 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1454
• feat: Add comment field to langfuse Evaluation from autoevals metadata by @rmaceissoft in https://github.com/langfuse/langfuse-python/pull/1452
• feat(langchain): allow injecting trace_context into LangchainCallbackHandler (#1419) by @fhoering in https://github.com/langfuse/langfuse-python/pull/1458
• feat(api): update API spec from langfuse/langfuse cb16277 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1459
• fix(resource-manager): reuse passed tracer provider for reinit by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1461

New Contributors

• @aablsk made their first contribution in https://github.com/langfuse/langfuse-python/pull/1451
• @rmaceissoft made their first contribution in https://github.com/langfuse/langfuse-python/pull/1452
• @fhoering made their first contribution in https://github.com/langfuse/langfuse-python/pull/1419

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.10.2...v3.10.3

What's Changed

• docs(experiments): evaluation value cannot be None by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1446
• chore(deps-dev): bump langchain-core from 1.0.0 to 1.0.7 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1447
• fix(openai): handle pydantic BaseModel as metadata by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1449
• fix(datasets): add schema arguments to create_dataset by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1457
• fix(prompts): evict prompt cache on NotFound error (#1442) by @Betensis in https://github.com/langfuse/langfuse-python/pull/1456

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.10.1...v3.10.2

What's Changed

• feat(api): update API spec from langfuse/langfuse e1f390d by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1439
• feat(api): update API spec from langfuse/langfuse 53b8ec8 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1441
• feat(api): update API spec from langfuse/langfuse 34d42bc by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1443
• fix(client): url encode dataset name by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1445

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.10.0...v3.10.1

What's Changed

• feat(evals): add run_batched_evaluation by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1436

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.9.3...v3.10.0

What's Changed

• feat(api): update API spec from langfuse/langfuse db01ff9 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1435
• fix(experiments): move evals out of root span by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1437

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.9.2...v3.9.3

What's Changed

• fix(client): handle update_current_trace on non recorded spans gracefully by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1432
• fix(experiments): remove evals from main execution span by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1433

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.9.1...v3.9.2

What's Changed

• feat(api): update API spec from langfuse/langfuse efe3532 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1425
• chore(deps-dev): bump langgraph-checkpoint from 2.1.2 to 3.0.0 by @dependabot[bot] in https://github.com/langfuse/langfuse-python/pull/1427
• feat(api): update API spec from langfuse/langfuse 25e6ad9 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1428

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.9.0...v3.9.1

What's Changed

• feat(api): update API spec from langfuse/langfuse 258cc51 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1420
• fix: avoid empty status message when capturing exception in observe decorator by @Jonas1312 in https://github.com/langfuse/langfuse-python/pull/1417
• feat(client): propagate trace attributes onto all child spans on update by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1415

New Contributors

• @Jonas1312 made their first contribution in https://github.com/langfuse/langfuse-python/pull/1417

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.8.1...v3.9.0

What's Changed

• feat(api): update API spec from langfuse/langfuse f5e96a9 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1408
• feat(api): update API spec from langfuse/langfuse 1ded68c by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1414
• feat(api): update API spec from langfuse/langfuse 62d2959 by @langfuse-bot in https://github.com/langfuse/langfuse-python/pull/1416
• chore(client): move to LANGFUSE_BASE_URL by @hassiebp in https://github.com/langfuse/langfuse-python/pull/1418

Full Changelog: https://github.com/langfuse/langfuse-python/compare/v3.8.0...v3.8.1