refactor!: extract developer helpers in helpers folder - #978
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guglielmo-san merged 12 commits intoApr 17, 2026
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This pull request refactors the A2A Python SDK by consolidating and unifying helper functions for managing A2A types—including Messages, Artifacts, Tasks, and Events—into a new a2a.helpers package. The changes involve moving utility functions from a2a.utils, updating references across the client and server implementations, and relocating append_artifact_to_task to the TaskManager. Feedback identifies a bug in new_text_artifact_update_event regarding artifact_id generation for appended chunks, a missing role validation check in new_task_from_user_message, and a redundant dictionary conversion during metadata updates.
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src/a2a/helpers/types.py
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src/a2a/helpers/proto_helpers.py
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src/a2a/server/tasks/task_manager.py
guglielmo-san
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April 17, 2026 09:56
ishymko
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Apr 17, 2026
guglielmo-san
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Apr 17, 2026
🤖 I have created a release *beep* *boop* --- ## [1.0.0-alpha.2](v1.0.0-alpha.1...v1.0.0-alpha.2) (2026-04-17) ### ⚠ BREAKING CHANGES * clean helpers and utils folders structure ([#983](#983)) * Raise errors on invalid AgentExecutor behavior. ([#979](#979)) * extract developer helpers in helpers folder ([#978](#978)) ### Features * Raise errors on invalid AgentExecutor behavior. ([#979](#979)) ([f4a0bcd](f4a0bcd)) * **utils:** add `display_agent_card()` utility for human-readable AgentCard inspection ([#972](#972)) ([3468180](3468180)) ### Bug Fixes * Don't generate empty metadata change events in VertexTaskStore ([#974](#974)) ([b58b03e](b58b03e)), closes [#802](#802) * **extensions:** support both header names and remove "activation" concept ([#984](#984)) ([b8df210](b8df210)) ### Documentation * AgentExecutor interface documentation ([#976](#976)) ([d667e4f](d667e4f)) * move `ai_learnings.md` to local-only and update `GEMINI.md` ([#982](#982)) ([f6610fa](f6610fa)) ### Code Refactoring * clean helpers and utils folders structure ([#983](#983)) ([c87e87c](c87e87c)) * extract developer helpers in helpers folder ([#978](#978)) ([5f3ea29](5f3ea29)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).
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Description
Extracts developer-facing helper functions from a2a.utils into a dedicated a2a.helpers package.
What changed
Motivation
This is the first in a series of PRs to simplify the a2a.utils structure. The goal is to stop mixing developer-facing convenience helpers with internal SDK machinery.