Source code for

"""Utilities to use Google provided components."""

from importlib import metadata
from typing import Any, Optional

[docs]def get_client_info(module: Optional[str] = None) -> Any: r"""Return a custom user agent header. Args: module (Optional[str]): Optional. The module for a custom user agent header. Returns: google.api_core.gapic_v1.client_info.ClientInfo """ from google.api_core.gapic_v1.client_info import ClientInfo langchain_version = metadata.version("langchain") client_library_version = ( f"{langchain_version}-{module}" if module else langchain_version ) return ClientInfo( client_library_version=client_library_version, user_agent=f"langchain/{client_library_version}", )