Add a reusable type alias for agent instructions callbacks #1781
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### Summary Add a reusable type alias for agent instructions callbacks and use it in `Agent.instructions` to improve readability and consistency. ### Changes Made - Added `AgentInstructionsFunction` in `src/agents/agent.py`: - `AgentInstructionsFunction = Callable[[RunContextWrapper[TContext], "Agent[TContext]"], MaybeAwaitable[str]]` - Updated `Agent.instructions` type to: - `instructions: str | AgentInstructionsFunction | None = None` - No behavioral changes; typing/clarity only.
seratch
reviewed
Sep 22, 2025
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| AgentInstructionsFunction: TypeAlias = Callable[ | ||
| [RunContextWrapper[TContext], "Agent[TContext]"], |
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We don't want to make this Agent[TContext] type be a string just for extracting the type here
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Thanks for sending this patch but:
For these reasons, let us close this. |
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Summary
Add a reusable type alias for agent instructions callbacks and use it in
Agent.instructionsto improve readability and consistency.Changes Made
AgentInstructionsFunctioninsrc/agents/agent.py:AgentInstructionsFunction = Callable[[RunContextWrapper[TContext], "Agent[TContext]"], MaybeAwaitable[str]]Agent.instructionstype to:instructions: str | AgentInstructionsFunction | None = None