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chore: import upstream snapshot with attribution
2026-07-13 13:25:13 +08:00

77 lines
2.4 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 __future__ import annotations
from google.adk import Agent
from google.adk.agents.base_agent import BaseAgent
from google.adk.agents.callback_context import CallbackContext
from google.adk.agents.context_cache_config import ContextCacheConfig
from google.adk.apps.app import App
from google.adk.apps.app import EventsCompactionConfig
from google.adk.models.llm_request import LlmRequest
from google.adk.plugins.base_plugin import BasePlugin
from google.adk.plugins.save_files_as_artifacts_plugin import SaveFilesAsArtifactsPlugin
class CountInvocationPlugin(BasePlugin):
"""A custom plugin that counts agent and LLM invocations."""
def __init__(self) -> None:
"""Initialize the plugin with counters."""
super().__init__(name="count_invocation")
self.agent_count: int = 0
self.llm_request_count: int = 0
async def before_agent_callback(
self, *, agent: BaseAgent, callback_context: CallbackContext
) -> None:
"""Count agent runs."""
self.agent_count += 1
print(f"[Plugin] Agent run count: {self.agent_count}")
async def before_model_callback(
self, *, callback_context: CallbackContext, llm_request: LlmRequest
) -> None:
"""Count LLM requests."""
self.llm_request_count += 1
print(f"[Plugin] LLM request count: {self.llm_request_count}")
root_agent = Agent(
name="greeter_agent",
instruction="""\
You are a friendly and helpful concierge assistant. Greet the user and answer their questions.
""",
)
app = App(
name="app",
root_agent=root_agent,
plugins=[
CountInvocationPlugin(),
SaveFilesAsArtifactsPlugin(),
],
events_compaction_config=EventsCompactionConfig(
compaction_interval=2,
overlap_size=1,
),
context_cache_config=ContextCacheConfig(
cache_intervals=10,
ttl_seconds=1800,
min_tokens=1000,
),
)