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adk-python/contributing/samples/gepa/utils.py
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George Weale 2367901ec5 chore: Upgrade to headers to 2026
Co-authored-by: George Weale <gweale@google.com>
PiperOrigin-RevId: 858763407
2026-01-20 14:50:09 -08:00

57 lines
1.7 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.
"""Defines utility for GEPA experiments."""
import logging
from typing import Callable
from google.genai import types
from retry import retry
from google import genai
class FilterInferenceWarnings(logging.Filter):
"""Filters out Vertex inference warning about non-text parts in response."""
def filter(self, record: logging.LogRecord) -> bool:
"""Filters out Vertex inference warning about non-text parts in response."""
if record.levelname != 'WARNING':
return True
message_identifier = record.getMessage()
return not message_identifier.startswith(
'Warning: there are non-text parts in the response:'
)
def reflection_inference_fn(model: str) -> Callable[[str], str]:
"""Returns an inference function on VertexAI based on provided model."""
client = genai.Client()
@retry(tries=3, delay=10, backoff=2)
def _fn(prompt):
return client.models.generate_content(
model=model,
contents=prompt,
config=types.GenerateContentConfig(
candidate_count=1,
thinking_config=types.ThinkingConfig(
include_thoughts=True, thinking_budget=-1
),
),
).text
return _fn