Files
adk-python/contributing/samples/bigquery/agent.py
T
Google Team Member 6c999caa41 feat: Introduce write protected mode to BigQuery tools
This allows to protect against any write operations (e.g. update or delete a table), useful for some agents that must only be used in a read-only mode, while the user may have write permissions.

PiperOrigin-RevId: 769803741
2025-06-10 14:37:24 -07:00

63 lines
2.1 KiB
Python

# Copyright 2025 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.
import os
from google.adk.agents import llm_agent
from google.adk.tools.bigquery import BigQueryCredentialsConfig
from google.adk.tools.bigquery import BigQueryToolset
from google.adk.tools.bigquery.config import BigQueryToolConfig
from google.adk.tools.bigquery.config import WriteMode
import google.auth
RUN_WITH_ADC = False
tool_config = BigQueryToolConfig(write_mode=WriteMode.ALLOWED)
if RUN_WITH_ADC:
# Initialize the tools to use the application default credentials.
application_default_credentials, _ = google.auth.default()
credentials_config = BigQueryCredentialsConfig(
credentials=application_default_credentials
)
else:
# Initiaze the tools to do interactive OAuth
# The environment variables OAUTH_CLIENT_ID and OAUTH_CLIENT_SECRET
# must be set
credentials_config = BigQueryCredentialsConfig(
client_id=os.getenv("OAUTH_CLIENT_ID"),
client_secret=os.getenv("OAUTH_CLIENT_SECRET"),
)
bigquery_toolset = BigQueryToolset(
credentials_config=credentials_config, bigquery_tool_config=tool_config
)
# The variable name `root_agent` determines what your root agent is for the
# debug CLI
root_agent = llm_agent.Agent(
model="gemini-2.0-flash",
name="hello_agent",
description=(
"Agent to answer questions about BigQuery data and models and execute"
" SQL queries."
),
instruction="""\
You are a data science agent with access to several BigQuery tools.
Make use of those tools to answer the user's questions.
""",
tools=[bigquery_toolset],
)