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fix: use default_factory for mutable field defaults in ServerCallContext #744

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Merged
ishymko merged 4 commits into from
Mar 9, 2026
Merged

fix: use default_factory for mutable field defaults in ServerCallContext #744

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fix: use default_factory for mutable field defaults in ServerCallContext
greysonlalonde Feb 27, 2026
8d8e68c
Merge branch 'main' into gl/fix/context-default-factory
greysonlalonde Mar 5, 2026
db6dd3d
Merge branch 'main' into gl/fix/context-default-factory
greysonlalonde Mar 7, 2026
b842cdd
Merge branch 'main' into gl/fix/context-default-factory
greysonlalonde Mar 9, 2026
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4 changes: 2 additions & 2 deletions src/a2a/server/context.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ class ServerCallContext(BaseModel):

model_config = ConfigDict(arbitrary_types_allowed=True)

state: State = Field(default={})
user: User = Field(default=UnauthenticatedUser())
state: State = Field(default_factory=dict)
user: User = Field(default_factory=UnauthenticatedUser)
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requested_extensions: set[str] = Field(default_factory=set)
activated_extensions: set[str] = Field(default_factory=set)
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