🐛 Fix support for `StreamingResponse`s with dependencies with `yield` or `UploadFile`s, close after the response is done#14099

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tiangolo merged 28 commits intomasterfrom

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Sep 29, 2025

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🐛 Fix support for `StreamingResponse`s with dependencies with `yield` or `UploadFile`s, close after the response is done#14099

🐛 Fix support for `StreamingResponse`s with dependencies with `yield` or `UploadFile`s, close after the response is done#14099
tiangolo merged 28 commits intomasterfastapi/fastapi:masterfrom
yieldfastapi/fastapi:yieldCopy head branch name to clipboard

Commits on Sep 3, 2025

🧪 Add test for dependencies with yield with streaming

↩️ Revert "✨ Add support for raising exceptions (including `HTTPException`) in dependencies with `yield` in the exit code, do not support them in background tasks (#10831)"

⏪️ Restore the parts from master that should stay the same

📝 Revert changes in docs for dependencies with yield plus tweaks

🔥 Remove unused import

♻️ Refactor AsyncExitStack import from contextlib

⏪️ Restore application usage of middleware for AsyncExitStack for dependencies with yield

🔥 Remove holding references to exceptions from dependencies with yield, as those caused memory issues before

Commits on Sep 21, 2025

🔄 Merge branch 'master' into yield

✅ Tweak test for dependencies with yield and streaming

🚚 Rename test for dependency with yield raising HTTPException

✅ Add tests for dependency with yield catching exceptions and re-raising

✅ Update tests with new logic, dependencies are run again after integrated background tasks

♻️ Rename AsyncExitStackMiddleware name in scope do differentiate it from dependencies AsyncExitStack

💡 Add comment in AsyncExitStackMiddleware

✅ Update tests

♻️ Add new wrappers to create AsyncExitStack for dependencies

✅ Add and update tests

🎨 [pre-commit.ci] Auto format from pre-commit.com hooks

💡 Update comment explaining AsyncExitStack middleware

♻️ Tweak message in assert error

🚨 Fix typing imports

🎨 [pre-commit.ci] Auto format from pre-commit.com hooks

📝 Update docs about dependencies with yield and changes in different versions

Commits on Sep 27, 2025

📝 Add docs examples for closing early with dependencies with yield

📝 Update docs explaining early closing for dependencies with yield

Commits on Sep 29, 2025

Merge branch 'master' into yield

📝 Update docs, remove line

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🐛 Fix support for `StreamingResponse`s with dependencies with `yield` or `UploadFile`s, close after the response is done#14099tiangolo merged 28 commits intomasterfastapi/fastapi:masterfrom yieldfastapi/fastapi:yieldCopy head branch name to clipboard

Commits

Commits on Sep 3, 2025

Commits on Sep 21, 2025

Commits on Sep 27, 2025

Commits on Sep 29, 2025

🐛 Fix support for `StreamingResponse`s with dependencies with `yield` or `UploadFile`s, close after the response is done#14099
tiangolo merged 28 commits intomasterfastapi/fastapi:masterfrom
yieldfastapi/fastapi:yieldCopy head branch name to clipboard