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fix: prevent startup crash when function/tool has null user_id (#26850)

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The Function and Tool database columns declare user_id as a nullable
String column, but their Pydantic read-models required a non-null
string. A record with user_id NULL therefore raised a
pydantic ValidationError inside get_functions()/get_tools(), which run
during install_tool_and_function_dependencies() at app startup —
crashing the whole application and blocking all chat completions.

Make user_id Optional in the read/response models so such records
validate gracefully (user is already rendered as None downstream when
the id has no matching user) instead of taking down startup.


Claude-Session: https://claude.ai/code/session_01Y4RRUNq7ZUFkRWbWPkDw3m

Co-authored-by: Claude <noreply@anthropic.com>
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Classic298 2026-07-24 07:00:37 +02:00 • committed by GitHub
parent 799748b886
commit 48f78ca58d
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2 changed files with 5 additions and 5 deletions
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6
backend/open_webui/models/functions.py
View file

@ -42,7 +42,7 @@ class FunctionMeta(BaseModel):
class FunctionModel(BaseModel):
id: str
user_id: str
user_id: str | None = None # may be null for legacy/malformed records
name: str
type: str
content: str
@ -58,7 +58,7 @@ class FunctionModel(BaseModel):
# --- form / schema definitions ---
class FunctionWithValvesModel(BaseModel):
id: str
user_id: str
user_id: str | None = None # may be null for legacy/malformed records
name: str
type: str
content: str
@ -79,7 +79,7 @@ class FunctionWithValvesModel(BaseModel):
class FunctionResponse(BaseModel):
id: str
user_id: str
user_id: str | None = None # may be null for legacy/malformed records
type: str
name: str
meta: FunctionMeta

4
backend/open_webui/models/tools.py
View file

@ -41,7 +41,7 @@ class ToolMeta(BaseModel):
class ToolModel(BaseModel):
id: str
user_id: str
user_id: str | None = None # may be null for legacy/malformed records
name: str
# None when listed with defer_content=True (source skipped for listings)
content: str | None = None
@ -66,7 +66,7 @@ class ToolUserModel(ToolModel):
class ToolResponse(BaseModel):
id: str
user_id: str
user_id: str | None = None # may be null for legacy/malformed records
name: str
meta: ToolMeta
access_grants: list[AccessGrantModel] = Field(default_factory=list)