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refac: web search

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This commit is contained in:
Timothy J. Baek 2024-06-01 19:52:12 -07:00
parent 912a704fdc
commit 999d2bc21b
5 changed files with 119 additions and 92 deletions
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88
backend/apps/rag/main.py
View File

@ -59,9 +59,16 @@ from apps.rag.utils import (
query_doc_with_hybrid_search,
query_collection,
query_collection_with_hybrid_search,
search_web,
)
from apps.rag.search.brave import search_brave
from apps.rag.search.google_pse import search_google_pse
from apps.rag.search.main import SearchResult
from apps.rag.search.searxng import search_searxng
from apps.rag.search.serper import search_serper
from apps.rag.search.serpstack import search_serpstack
from utils.misc import (
calculate_sha256,
calculate_sha256_string,
@ -716,19 +723,78 @@ def resolve_hostname(hostname):
return ipv4_addresses, ipv6_addresses
def search_web(engine: str, query: str) -> list[SearchResult]:
"""Search the web using a search engine and return the results as a list of SearchResult objects.
Will look for a search engine API key in environment variables in the following order:
- SEARXNG_QUERY_URL
- GOOGLE_PSE_API_KEY + GOOGLE_PSE_ENGINE_ID
- BRAVE_SEARCH_API_KEY
- SERPSTACK_API_KEY
- SERPER_API_KEY
Args:
query (str): The query to search for
"""
# TODO: add playwright to search the web
if engine == "searxng":
if app.state.config.SEARXNG_QUERY_URL:
return search_searxng(app.state.config.SEARXNG_QUERY_URL, query)
else:
raise Exception("No SEARXNG_QUERY_URL found in environment variables")
elif engine == "google_pse":
if (
app.state.config.GOOGLE_PSE_API_KEY
and app.state.config.GOOGLE_PSE_ENGINE_ID
):
return search_google_pse(
app.state.config.GOOGLE_PSE_API_KEY,
app.state.config.GOOGLE_PSE_ENGINE_ID,
query,
)
else:
raise Exception(
"No GOOGLE_PSE_API_KEY or GOOGLE_PSE_ENGINE_ID found in environment variables"
)
elif engine == "brave":
if app.state.config.BRAVE_SEARCH_API_KEY:
return search_brave(app.state.config.BRAVE_SEARCH_API_KEY, query)
else:
raise Exception("No BRAVE_SEARCH_API_KEY found in environment variables")
elif engine == "serpstack":
if app.state.config.SERPSTACK_API_KEY:
return search_serpstack(
app.state.config.SERPSTACK_API_KEY,
query,
https_enabled=app.state.config.SERPSTACK_HTTPS,
)
else:
raise Exception("No SERPSTACK_API_KEY found in environment variables")
elif engine == "serper":
if app.state.config.SERPER_API_KEY:
return search_serper(app.state.config.SERPER_API_KEY, query)
else:
raise Exception("No SERPER_API_KEY found in environment variables")
else:
raise Exception("No search engine API key found in environment variables")
@app.post("/web/search")
def store_web_search(form_data: SearchForm, user=Depends(get_current_user)):
try:
try:
web_results = search_web(
app.state.config.RAG_WEB_SEARCH_ENGINE, form_data.query
)
except Exception as e:
log.exception(e)
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.WEB_SEARCH_ERROR,
)
web_results = search_web(
app.state.config.RAG_WEB_SEARCH_ENGINE, form_data.query
)
except Exception as e:
log.exception(e)
print(e)
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.WEB_SEARCH_ERROR(e),
)
try:
urls = [result.link for result in web_results]
loader = get_web_loader(urls)
data = loader.load()

54
backend/apps/rag/utils.py
View File

@ -20,12 +20,7 @@ from langchain.retrievers import (
from typing import Optional
from apps.rag.search.brave import search_brave
from apps.rag.search.google_pse import search_google_pse
from apps.rag.search.main import SearchResult
from apps.rag.search.searxng import search_searxng
from apps.rag.search.serper import search_serper
from apps.rag.search.serpstack import search_serpstack
from config import (
SRC_LOG_LEVELS,
CHROMA_CLIENT,
@ -536,50 +531,3 @@ class RerankCompressor(BaseDocumentCompressor):
)
final_results.append(doc)
return final_results
def search_web(engine: str, query: str) -> list[SearchResult]:
"""Search the web using a search engine and return the results as a list of SearchResult objects.
Will look for a search engine API key in environment variables in the following order:
- SEARXNG_QUERY_URL
- GOOGLE_PSE_API_KEY + GOOGLE_PSE_ENGINE_ID
- BRAVE_SEARCH_API_KEY
- SERPSTACK_API_KEY
- SERPER_API_KEY
Args:
query (str): The query to search for
"""
# TODO: add playwright to search the web
if engine == "searxng":
if SEARXNG_QUERY_URL:
return search_searxng(SEARXNG_QUERY_URL, query)
else:
raise Exception("No SEARXNG_QUERY_URL found in environment variables")
elif engine == "google_pse":
if GOOGLE_PSE_API_KEY and GOOGLE_PSE_ENGINE_ID:
return search_google_pse(GOOGLE_PSE_API_KEY, GOOGLE_PSE_ENGINE_ID, query)
else:
raise Exception(
"No GOOGLE_PSE_API_KEY or GOOGLE_PSE_ENGINE_ID found in environment variables"
)
elif engine == "brave":
if BRAVE_SEARCH_API_KEY:
return search_brave(BRAVE_SEARCH_API_KEY, query)
else:
raise Exception("No BRAVE_SEARCH_API_KEY found in environment variables")
elif engine == "serpstack":
if SERPSTACK_API_KEY:
return search_serpstack(
SERPSTACK_API_KEY, query, https_enabled=SERPSTACK_HTTPS
)
else:
raise Exception("No SERPSTACK_API_KEY found in environment variables")
elif engine == "serper":
if SERPER_API_KEY:
return search_serper(SERPER_API_KEY, query)
else:
raise Exception("No SERPER_API_KEY found in environment variables")
else:
raise Exception("No search engine API key found in environment variables")

2
backend/constants.py
View File

@ -82,5 +82,5 @@ class ERROR_MESSAGES(str, Enum):
)
WEB_SEARCH_ERROR = (
"Oops! Something went wrong while searching the web. Please try again later."
lambda err="": f"{err if err else 'Oops! Something went wrong while searching the web.'}"
)

15
src/lib/apis/rag/index.ts
View File

@ -518,8 +518,10 @@ export const runWebSearch = async (
token: string,
query: string,
collection_name?: string
): Promise<SearchDocument | undefined> => {
return await fetch(`${RAG_API_BASE_URL}/web/search`, {
): Promise<SearchDocument | null> => {
let error = null;
const res = await fetch(`${RAG_API_BASE_URL}/web/search`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
@ -536,8 +538,15 @@ export const runWebSearch = async (
})
.catch((err) => {
console.log(err);
return undefined;
error = err.detail;
return null;
});
if (error) {
throw error;
}
return res;
};
export interface SearchDocument {

52
src/lib/components/chat/Chat.svelte
View File

@ -473,9 +473,34 @@
};
messages = messages;
const results = await runWebSearch(localStorage.token, searchQuery);
if (results === undefined) {
toast.warning($i18n.t('No search results found'));
const results = await runWebSearch(localStorage.token, searchQuery).catch((error) => {
console.log(error);
toast.error(error);
return null;
});
if (results) {
responseMessage.status = {
...responseMessage.status,
done: true,
description: $i18n.t('Searched {{count}} sites', { count: results.filenames.length }),
urls: results.filenames
};
if (responseMessage?.files ?? undefined === undefined) {
responseMessage.files = [];
}
responseMessage.files.push({
collection_name: results.collection_name,
name: searchQuery,
type: 'web_search_results',
urls: results.filenames
});
messages = messages;
} else {
responseMessage.status = {
...responseMessage.status,
done: true,
@ -483,28 +508,7 @@
description: 'No search results found'
};
messages = messages;
return;
}
responseMessage.status = {
...responseMessage.status,
done: true,
description: $i18n.t('Searched {{count}} sites', { count: results.filenames.length }),
urls: results.filenames
};
if (responseMessage?.files ?? undefined === undefined) {
responseMessage.files = [];
}
responseMessage.files.push({
collection_name: results.collection_name,
name: searchQuery,
type: 'web_search_results',
urls: results.filenames
});
messages = messages;
};
const sendPromptOllama = async (model, userPrompt, responseMessageId, _chatId) => {