Files
google--adk-python/contributing/samples/workflows/route/agent.py
T
wehub-resource-sync ec2b666284
Continuous Integration / Pre-commit Linter (push) Waiting to run
Continuous Integration / Mypy Check (Python 3.10) (push) Waiting to run
Continuous Integration / Mypy Check (Python 3.11) (push) Waiting to run
Continuous Integration / Mypy Check (Python 3.12) (push) Waiting to run
Continuous Integration / Mypy Check (Python 3.13) (push) Waiting to run
Continuous Integration / Unit Tests (Python 3.10) (push) Waiting to run
Continuous Integration / Unit Tests (Python 3.11) (push) Waiting to run
Continuous Integration / Unit Tests (Python 3.12) (push) Waiting to run
Continuous Integration / Unit Tests (Python 3.13) (push) Waiting to run
Continuous Integration / Unit Tests (Python 3.14) (push) Waiting to run
Continuous Integration / A2A v0.3 Tests (Python 3.10) (push) Waiting to run
Continuous Integration / A2A v0.3 Tests (Python 3.11) (push) Waiting to run
Continuous Integration / A2A v0.3 Tests (Python 3.12) (push) Waiting to run
Continuous Integration / A2A v0.3 Tests (Python 3.13) (push) Waiting to run
Continuous Integration / A2A v0.3 Tests (Python 3.14) (push) Waiting to run
Copybara PR Handler / close-imported-pr (push) Waiting to run
chore: import upstream snapshot with attribution
2026-07-13 13:25:13 +08:00

78 lines
1.9 KiB
Python

# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Literal
from google.adk import Agent
from google.adk import Event
from google.adk import Workflow
from pydantic import BaseModel
class InputCategory(BaseModel):
category: Literal["question", "statement", "other"]
def process_input(node_input: str):
return Event(state={"input": node_input})
classify_input = Agent(
name="classify_input",
instruction=(
"Based on this input, decide which category it belongs to: {input}"
),
output_schema=InputCategory,
output_key="category",
)
def route_on_category(category: InputCategory):
"""Yields an Event with a specific route based on the classification."""
yield Event(route=category.category)
answer_question = Agent(
name="answer_question",
instruction="""Answer the question: {input}""",
)
comment_on_statement = Agent(
name="comment_on_statement",
instruction="""Comment on the statement: {input}""",
)
def handle_other():
yield Event(
message="Sorry I can only anwer questions or comment on statements."
)
root_agent = Workflow(
name="root_agent",
edges=[
("START", process_input, classify_input, route_on_category),
(
route_on_category,
{
"question": answer_question,
"statement": comment_on_statement,
"other": handle_other,
},
),
],
)