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community: make bing web search as the only option (#23523)

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This PR make bing web search as the option for BingSearchAPIWrapper to
facilitate and simply the user interface on Langchain.
This is a follow-up work of
https://github.com/langchain-ai/langchain/pull/23306.
This commit is contained in:
Qingchuan Hao 2024-07-03 05:13:54 +08:00 committed by GitHub
parent 76e7e4e9e6
commit 5cd4083457
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1 changed files with 19 additions and 5 deletions
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24
libs/community/langchain_community/utilities/bing_search.py
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@ -5,13 +5,27 @@ import requests
from langchain_core.pydantic_v1 import BaseModel, Extra, Field, root_validator from langchain_core.pydantic_v1 import BaseModel, Extra, Field, root_validator
from langchain_core.utils import get_from_dict_or_env from langchain_core.utils import get_from_dict_or_env
# BING_SEARCH_ENDPOINT is the default endpoint for Bing Search API and is normally # BING_SEARCH_ENDPOINT is the default endpoint for Bing Web Search API.
# invariant to users. # Currently There are two web-based Bing Search services available on Azure,
BING_SEARCH_ENDPOINT = "https://api.bing.microsoft.com/v7.0/search" # i.e. Bing Web Search[1] and Bing Custom Search[2]. Compared to Bing Custom Search,
# Both services that provides a wide range of search results, while Bing Custom
# Search requires you to provide an additional custom search instance, `customConfig`.
# Both services are available for BingSearchAPIWrapper.
# History of Azure Bing Search API:
# Before shown in Azure Marketplace as a separate service, Bing Search APIs were
# part of Azure Cognitive Services, the endpoint of which is unique, and the user
# must specify the endpoint when making a request. After transitioning to Azure
# Marketplace, the endpoint is standardized and the user does not need to specify
# the endpoint[3].
# Reference:
# 1. https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/overview
# 2. https://learn.microsoft.com/en-us/bing/search-apis/bing-custom-search/overview
# 3. https://azure.microsoft.com/en-in/updates/bing-search-apis-will-transition-from-azure-cognitive-services-to-azure-marketplace-on-31-october-2023/
DEFAULT_BING_SEARCH_ENDPOINT = "https://api.bing.microsoft.com/v7.0/search"
class BingSearchAPIWrapper(BaseModel): class BingSearchAPIWrapper(BaseModel):
"""Wrapper for Bing Search API.""" """Wrapper for Bing Web Search API."""
bing_subscription_key: str bing_subscription_key: str
bing_search_url: str bing_search_url: str
@ -56,7 +70,7 @@ class BingSearchAPIWrapper(BaseModel):
values, values,
"bing_search_url", "bing_search_url",
"BING_SEARCH_URL", "BING_SEARCH_URL",
default=BING_SEARCH_ENDPOINT, default=DEFAULT_BING_SEARCH_ENDPOINT,
) )
values["bing_search_url"] = bing_search_url values["bing_search_url"] = bing_search_url