feat(anthropic): Emit AI Client Spans for synchronous `messages.stream()` by alexander-alderman-webb · Pull Request #5565 · getsentry/sentry-python · GitHub

Description

Patch Messages.stream() and MessageStreamManager.__enter__() to create AI Client Spans.

Re-use existing code for setting attributes on AI Client Spans based on function arguments, and adapt tests that return a synchronous response stream with create(stream=True).

Issues

Reminders

Please add tests to validate your changes, and lint your code using tox -e linters.
Add GH Issue ID & Linear ID (if applicable)
PR title should use conventional commit style (feat:, fix:, ref:, meta:)
For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

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…ropic/only-raw-message-stream-events

Semver Impact of This PR

🟡 Minor (new features)

📋 Changelog Preview

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Entries from this PR are highlighted with a left border (blockquote style).

New Features ✨

Anthropic

Emit AI Client Spans for synchronous messages.stream() by alexander-alderman-webb in #5565

Set gen_ai.response.id span attribute by ericapisani in #5662
Add gen_ai.system attribute to spans by ericapisani in #5661

Pydantic Ai

Support ImageUrl content type in span instrumentation by ericapisani in #5629
Add tool description to execute_tool spans by ericapisani in #5596

Other

(crons) Add owner field to MonitorConfig by julwhitney13 in #5610
(otlp) Add collector_url option to OTLPIntegration by sl0thentr0py in #5603

Bug Fixes 🐛

(anthropic) Close span on GeneratorExit by alexander-alderman-webb in #5643
(celery) Propagate user-set headers by sentrivana in #5581
(utils) Avoid double serialization of strings in safe_serialize by ericapisani in #5587
Enable unused import ruff check and fix unused imports by sentrivana in #5652

Documentation 📚

(openai-agents) Remove inapplicable comment by alexander-alderman-webb in #5495
Add AGENTS.md by sentrivana in #5579
Add set_attribute example to changelog by sentrivana in #5578

Internal Changes 🔧

Anthropic

Skip accumulation logic for unexpected types in streamed response by alexander-alderman-webb in #5564
Factor out streamed result handling by alexander-alderman-webb in #5563
Stream valid JSON by alexander-alderman-webb in #5641
Stop mocking response iterator by alexander-alderman-webb in #5573

Docs

Remove agentic codebase documentation workflows by dingsdax in #5655
Switch agentic workflows from Copilot to Claude engine by dingsdax in #5654
Add agentic workflows for codebase documentation by dingsdax in #5649

Openai Agents

Do not fail on new tool fields by alexander-alderman-webb in #5625
Stop expecting a specific function name by alexander-alderman-webb in #5623
Set streaming header when library uses with_streaming_response() by alexander-alderman-webb in #5583
Replace mocks with httpx for streamed responses by alexander-alderman-webb in #5580
Replace mocks with httpx in non-MCP tool tests by alexander-alderman-webb in #5602
Replace mocks with httpx in MCP tool tests by alexander-alderman-webb in #5605
Replace mocks with httpx in handoff tests by alexander-alderman-webb in #5604
Replace mocks with httpx in API error test by alexander-alderman-webb in #5601
Replace mocks with httpx in non-error single-response tests by alexander-alderman-webb in #5600
Remove test for unreachable state by alexander-alderman-webb in #5584
Expect namespace tool field for new openai versions by alexander-alderman-webb in #5599

Other

(graphene) Simplify span creation by sentrivana in #5648
(httpx) Resolve type checking failures by alexander-alderman-webb in #5626
(pyramid) Support alpha suffixes in version parsing by alexander-alderman-webb in #5618
(rust) Don't implement separate scope management by sentrivana in #5639
(strawberry) Simplify span creation by sentrivana in #5647
Remove custom warden action by sentrivana in #5653
Add httpx to linting requirements by alexander-alderman-webb in #5644
Remove CodeQL action by sentrivana in #5616
Normalize dots in package names in populate_tox.py by alexander-alderman-webb in #5574
Do not run actions on potel-base by sentrivana in #5614

🤖 This preview updates automatically when you update the PR.

Codecov Results 📊

✅ 48 passed | Total: 48 | Pass Rate: 100% | Execution Time: 9.38s

📊 Comparison with Base Branch

Metric	Change
Total Tests	—
Passed Tests	—
Failed Tests	—
Skipped Tests	—

✨ No test changes detected

All tests are passing successfully.

❌ Patch coverage is 0.00%. Project has 14814 uncovered lines.
✅ Project coverage is 27.11%. Comparing base (base) to head (head).

Files with missing lines (1)

File	Patch %	Lines
anthropic.py	6.85%	⚠️ 340 Missing

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    26.51%    27.11%     +0.6%
==========================================
  Files          189       189         —
  Lines        20244     20325       +81
  Branches      6588      6610       +22
==========================================
+ Hits          5366      5511      +145
- Misses       14878     14814       -64
- Partials       510       513        +3

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alexander-alderman-webb added 10 commits February 27, 2026 10:51

ref(anthropic): Factor out streamed result handling

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feat(anthropic): Emit gen_ai.chat spans for messages.stream()

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alexander-alderman-webb changed the title feat(anthropic): Emit gen_ai.chat spans for messages.stream() feat(anthropic): Emit gen_ai.chat spans for synchronous messages.stream() Feb 27, 2026

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alexander-alderman-webb added 3 commits February 27, 2026 18:19

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alexander-alderman-webb added 7 commits March 2, 2026 09:38

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alexander-alderman-webb added 7 commits March 11, 2026 17:49

tests

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Merge branch 'master' into webb/anthropic/separate-output-handling

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alexander-alderman-webb marked this pull request as ready for review March 12, 2026 09:28

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alexander-alderman-webb added 2 commits March 12, 2026 10:37

set streaming true

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Merge branch 'webb/anthropic/only-raw-message-stream-events' into web…

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alexander-alderman-webb added 2 commits March 12, 2026 10:56

simplify setting input data

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unused imports

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Base automatically changed from webb/anthropic/only-raw-message-stream-events to master March 13, 2026 13:52

merge master

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alexander-alderman-webb changed the title feat(anthropic): Emit gen_ai.chat spans for synchronous messages.stream() feat(anthropic): Emit AI Client Spans for synchronous messages.stream() Mar 13, 2026

alexander-alderman-webb added 2 commits March 13, 2026 15:19

fix imports

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remove duplicate functions

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do not pass processed model

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alexander-alderman-webb merged commit c3e3acc into master Mar 13, 2026
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publish: getsentry/sentry-python@2.55.0 getsentry/publish#7485

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feat(anthropic): Emit AI Client Spans for synchronous `messages.stream()` by alexander-alderman-webb · Pull Request #5565 · getsentry/sentry-python · GitHub

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feat(anthropic): Emit AI Client Spans for synchronous messages.stream()#5565
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feat(anthropic): Emit AI Client Spans for synchronous `messages.stream()` by alexander-alderman-webb · Pull Request #5565 · getsentry/sentry-python · GitHub

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feat(anthropic): Emit AI Client Spans for synchronous messages.stream() - #5565

feat(anthropic): Emit AI Client Spans for synchronous messages.stream()#5565alexander-alderman-webb merged 48 commits intomastergetsentry/sentry-python:masterfrom webb/anthropic/new-patchgetsentry/sentry-python:webb/anthropic/new-patchCopy head branch name to clipboard

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Description

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Semver Impact of This PR

New Features ✨

Anthropic

Pydantic Ai

Other

Bug Fixes 🐛

Documentation 📚

Internal Changes 🔧

Anthropic

Docs

Openai Agents

Other

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Codecov Results 📊

📊 Comparison with Base Branch

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feat(anthropic): Emit AI Client Spans for synchronous messages.stream()#5565
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