---

name: Update A2A Schema from Specification

on:

# TODO (https://github.com/a2aproject/a2a-python/issues/559): bring back once types are migrated, currently it generates many broken PRs

# repository_dispatch:

# types: [a2a_json_update]

workflow_dispatch:

jobs:

generate_and_pr:

runs-on: ubuntu-latest

permissions:

contents: write

pull-requests: write

steps:

- name: Checkout code

uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

- name: Set up Python

uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6

with:

python-version: '3.10'

- name: Install uv

uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7

- name: Configure uv shell

run: echo "$HOME/.cargo/bin" >> $GITHUB_PATH

- name: Install dependencies (datamodel-code-generator)

run: uv sync --locked

- name: Define output file variable

id: vars

run: |

GENERATED_FILE="./src/a2a/types.py"

echo "GENERATED_FILE=$GENERATED_FILE" >> "$GITHUB_OUTPUT"

- name: Generate types from schema

run: |

chmod +x scripts/generate_types.sh

./scripts/generate_types.sh "${{ steps.vars.outputs.GENERATED_FILE }}"

- name: Install Buf

uses: bufbuild/buf-setup-action@a47c93e0b1648d5651a065437926377d060baa99 # v1.50.0

- name: Run buf generate

run: |

set -euo pipefail # Exit immediately if a command exits with a non-zero status

echo "Running buf generate..."

buf generate

uv run scripts/grpc_gen_post_processor.py

echo "Buf generate finished."

- name: Create Pull Request with Updates

uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 # v8

with:

token: ${{ secrets.A2A_BOT_PAT }}

committer: a2a-bot <a2a-bot@google.com>

author: a2a-bot <a2a-bot@google.com>

commit-message: '${{ github.event.client_payload.message }}'

title: '${{ github.event.client_payload.message }}'

body: |

Commit: https://github.com/a2aproject/A2A/commit/${{ github.event.client_payload.sha }}

branch: auto-update-a2a-types-${{ github.event.client_payload.sha }}

base: main

labels: |

automated

dependencies

add-paths: |-

${{ steps.vars.outputs.GENERATED_FILE }}

src/a2a/grpc/