open-webui/backend/open_webui/retrieval/web/perplexity.py

88 lines
2.6 KiB
Python

import logging
from typing import Optional, List
import requests
from open_webui.retrieval.web.main import SearchResult, get_filtered_results
from open_webui.env import SRC_LOG_LEVELS
log = logging.getLogger(__name__)
log.setLevel(SRC_LOG_LEVELS["RAG"])
def search_perplexity(
api_key: str,
query: str,
count: int,
filter_list: Optional[list[str]] = None,
) -> list[SearchResult]:
"""Search using Perplexity API and return the results as a list of SearchResult objects.
Args:
api_key (str): A Perplexity API key
query (str): The query to search for
count (int): Maximum number of results to return
"""
# Handle PersistentConfig object
if hasattr(api_key, "__str__"):
api_key = str(api_key)
try:
url = "https://api.perplexity.ai/chat/completions"
# Create payload for the API call
payload = {
"model": "sonar",
"messages": [
{
"role": "system",
"content": "You are a search assistant. Provide factual information with citations.",
},
{"role": "user", "content": query},
],
"temperature": 0.2, # Lower temperature for more factual responses
"stream": False,
}
headers = {
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json",
}
# Make the API request
response = requests.request("POST", url, json=payload, headers=headers)
# Parse the JSON response
json_response = response.json()
# Extract citations from the response
citations = json_response.get("citations", [])
# Create search results from citations
results = []
for i, citation in enumerate(citations[:count]):
# Extract content from the response to use as snippet
content = ""
if "choices" in json_response and json_response["choices"]:
if i == 0:
content = json_response["choices"][0]["message"]["content"]
result = {"link": citation, "title": f"Source {i+1}", "snippet": content}
results.append(result)
if filter_list:
results = get_filtered_results(results, filter_list)
return [
SearchResult(
link=result["link"], title=result["title"], snippet=result["snippet"]
)
for result in results[:count]
]
except Exception as e:
log.error(f"Error searching with Perplexity API: {e}")
return []