[PR #23710] [CLOSED] fix(db): patch SQLAlchemy ↔ aiosqlite ≥0.20 terminate_force_close incompatibility #50377

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GiteaMirror · 2026-04-30T03:04:27-05:00

GiteaMirror commented

2026-04-30 03:04:27 -05:00

📋 Pull Request Information

Original PR: https://github.com/open-webui/open-webui/pull/23710
Author: @Classic298
Created: 4/14/2026
Status: ❌ Closed

Base: dev ← Head: claude/fix/aiosqlite-terminate-shim

📝 Commits (3)

6bda95d fix(db): patch SQLAlchemy ↔ aiosqlite ≥0.20 terminate_force_close incompatibility
a03bde4 fix(db): tighten aiosqlite terminate-shim install scope and worker wake-up
4c45ab6 fix(db): aiosqlite shim — bytecode fallback when source inspection fails

📊 Changes

2 files changed (+211 additions, -0 deletions)

View changed files

➕ backend/open_webui/internal/_aiosqlite_compat.py (+198 -0)
📝 backend/open_webui/internal/db.py (+13 -0)

📄 Description

SQLAlchemy 2.0.36+ added a terminate_force_close() path on its async DB-API adapters, used by the connection pool when a connection must be invalidated immediately (typically when an in-flight query was cancelled — request aborted by client, timeout, etc.).

For the aiosqlite dialect, _terminate_force_close unconditionally accesses self._connection.stop. That attribute existed on aiosqlite.Connection up to 0.18 (where Connection sub-classed threading.Thread) and was removed in 0.20+ when the worker model was refactored.

On the version pin Open WebUI ships (sqlalchemy 2.0.48 + aiosqlite 0.21.0) every cancelled aiosqlite call therefore produces a multi-page

NotImplementedError: terminate_force_close() not implemented by this DBAPI shim

ERROR traceback, drowning real errors in noise even though the underlying connection is correctly torn down by aiosqlite's own worker on the next loop tick.

Add internal/_aiosqlite_compat.install() which monkey-patches the shim to understand both APIs:

aiosqlite ≤ 0.18 — call Connection.stop() as before.
aiosqlite ≥ 0.20 — flip the worker thread's _running flag so it exits on the next iteration (the same end-state the original code achieved on the old API).
Anything else — log at debug and fall back to GC.

The patch is idempotent, runs once at db.py import time before the async engine is created, and is a no-op on installations whose SQLAlchemy doesn't ship the affected symbol — so it won't break future upstream rewrites.

Contributor License Agreement

By submitting this pull request, I confirm that I have read and fully agree to the Contributor License Agreement (CLA), and I am providing my contributions under its terms.

Note

Deleting the CLA section will lead to immediate closure of your PR and it will not be merged in.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/open-webui/open-webui/pull/23710 **Author:** [@Classic298](https://github.com/Classic298) **Created:** 4/14/2026 **Status:** ❌ Closed **Base:** `dev` ← **Head:** `claude/fix/aiosqlite-terminate-shim` --- ### 📝 Commits (3) - [`6bda95d`](https://github.com/open-webui/open-webui/commit/6bda95d3bd46ebb88898689ea416e09a61960b03) fix(db): patch SQLAlchemy ↔ aiosqlite ≥0.20 terminate_force_close incompatibility - [`a03bde4`](https://github.com/open-webui/open-webui/commit/a03bde4701193a3e5c5598c5cd2ae2d12fb26c77) fix(db): tighten aiosqlite terminate-shim install scope and worker wake-up - [`4c45ab6`](https://github.com/open-webui/open-webui/commit/4c45ab659a477a6817dad94b9aab37216c4b33ad) fix(db): aiosqlite shim — bytecode fallback when source inspection fails ### 📊 Changes **2 files changed** (+211 additions, -0 deletions) <details> <summary>View changed files</summary> ➕ `backend/open_webui/internal/_aiosqlite_compat.py` (+198 -0) 📝 `backend/open_webui/internal/db.py` (+13 -0) </details> ### 📄 Description SQLAlchemy 2.0.36+ added a `terminate_force_close()` path on its async DB-API adapters, used by the connection pool when a connection must be invalidated immediately (typically when an in-flight query was cancelled — request aborted by client, timeout, etc.). For the aiosqlite dialect, `_terminate_force_close` unconditionally accesses `self._connection.stop`. That attribute existed on `aiosqlite.Connection` up to 0.18 (where Connection sub-classed `threading.Thread`) and was removed in 0.20+ when the worker model was refactored. On the version pin Open WebUI ships (sqlalchemy 2.0.48 + aiosqlite 0.21.0) every cancelled aiosqlite call therefore produces a multi-page NotImplementedError: terminate_force_close() not implemented by this DBAPI shim ERROR traceback, drowning real errors in noise even though the underlying connection is correctly torn down by aiosqlite's own worker on the next loop tick. Add `internal/_aiosqlite_compat.install()` which monkey-patches the shim to understand both APIs: * aiosqlite ≤ 0.18 — call `Connection.stop()` as before. * aiosqlite ≥ 0.20 — flip the worker thread's `_running` flag so it exits on the next iteration (the same end-state the original code achieved on the old API). * Anything else — log at debug and fall back to GC. The patch is idempotent, runs once at db.py import time before the async engine is created, and is a no-op on installations whose SQLAlchemy doesn't ship the affected symbol — so it won't break future upstream rewrites. ### Contributor License Agreement  - [X] By submitting this pull request, I confirm that I have read and fully agree to the [Contributor License Agreement (CLA)](https://github.com/open-webui/open-webui/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT), and I am providing my contributions under its terms. > [!NOTE] > Deleting the CLA section will lead to immediate closure of your PR and it will not be merged in. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

GiteaMirror added the pull-request label 2026-04-30 03:04:27 -05:00

GiteaMirror closed this issue

2026-04-30 03:04:31 -05:00

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Reference: github-starred/open-webui#50377