dynamo/examples/multimodal/utils/http_client.py

48 lines
1.5 KiB
Python

# SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# 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 logging
from typing import Optional
import httpx
logger = logging.getLogger(__name__)
# Global HTTP client instance
_global_http_client: Optional[httpx.AsyncClient] = None
def get_http_client(timeout: float = 60.0) -> httpx.AsyncClient:
"""
Get or create a shared HTTP client instance.
Args:
timeout: Timeout for HTTP requests
Returns:
Shared HTTP client instance
"""
global _global_http_client
if _global_http_client is None or _global_http_client.is_closed:
_global_http_client = httpx.AsyncClient(
timeout=timeout,
follow_redirects=True,
limits=httpx.Limits(max_keepalive_connections=20, max_connections=100),
)
logger.info(f"Shared HTTP client initialized with timeout={timeout}s")
return _global_http_client