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67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
from __future__ import annotations
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import logging
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from open_webui.retrieval.web.main import SearchResult, get_filtered_results
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from open_webui.utils.session_pool import get_session
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log = logging.getLogger(__name__)
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async def search_google_pse(
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api_key: str,
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search_engine_id: str,
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query: str,
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count: int,
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filter_list: list[str | None] | None = None,
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referer: str | None = None,
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) -> list[SearchResult]:
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"""Query Google Programmable Search Engine with automatic pagination.
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The PSE API returns at most 10 results per request, so this function
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issues multiple requests when ``count > 10``.
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"""
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url = 'https://www.googleapis.com/customsearch/v1'
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headers: dict[str, str] = {'Content-Type': 'application/json'}
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if referer:
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headers['Referer'] = referer
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all_items: list[dict] = []
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start_index = 1 # PSE uses 1-based pagination
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session = await get_session()
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remaining = count
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while remaining > 0:
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page_size = min(remaining, 10)
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params = {
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'cx': search_engine_id,
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'q': query,
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'key': api_key,
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'num': str(page_size),
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'start': str(start_index),
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}
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async with session.get(url, headers=headers, params=params) as response:
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response.raise_for_status()
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payload = await response.json()
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items = payload.get('items', [])
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if not items:
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break
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all_items.extend(items)
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remaining -= len(items)
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start_index += 10
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if filter_list:
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all_items = get_filtered_results(all_items, filter_list)
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return [
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SearchResult(
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link=item.get('link', ''),
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title=item.get('title'),
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snippet=item.get('snippet'),
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)
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for item in all_items
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]
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