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Support PLAYWRIGHT_WS_URI

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This commit is contained in:
Rory 2025-02-02 17:58:09 -06:00
parent a84e488a4e
commit 8da33721d5
5 changed files with 97 additions and 48 deletions
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6
backend/open_webui/config.py
View File

@ -1724,6 +1724,12 @@ RAG_WEB_LOADER = PersistentConfig(
os.environ.get("RAG_WEB_LOADER", "safe_web")
)
PLAYWRIGHT_WS_URI = PersistentConfig(
"PLAYWRIGHT_WS_URI",
"rag.web.loader.playwright.ws.uri",
os.environ.get("PLAYWRIGHT_WS_URI", None)
)
####################################
# Images
####################################

2
backend/open_webui/main.py
View File

@ -129,6 +129,7 @@ from open_webui.config import (
AUDIO_TTS_VOICE,
AUDIO_TTS_AZURE_SPEECH_REGION,
AUDIO_TTS_AZURE_SPEECH_OUTPUT_FORMAT,
PLAYWRIGHT_WS_URI,
RAG_WEB_LOADER,
WHISPER_MODEL,
WHISPER_MODEL_AUTO_UPDATE,
@ -528,6 +529,7 @@ app.state.config.BING_SEARCH_V7_SUBSCRIPTION_KEY = BING_SEARCH_V7_SUBSCRIPTION_K
app.state.config.RAG_WEB_SEARCH_RESULT_COUNT = RAG_WEB_SEARCH_RESULT_COUNT
app.state.config.RAG_WEB_SEARCH_CONCURRENT_REQUESTS = RAG_WEB_SEARCH_CONCURRENT_REQUESTS
app.state.config.RAG_WEB_LOADER = RAG_WEB_LOADER
app.state.config.PLAYWRIGHT_WS_URI = PLAYWRIGHT_WS_URI
app.state.EMBEDDING_FUNCTION = None
app.state.ef = None

121
backend/open_webui/retrieval/web/utils.py
View File

@ -16,7 +16,7 @@ from langchain_core.documents import Document
from open_webui.constants import ERROR_MESSAGES
from open_webui.config import ENABLE_RAG_LOCAL_WEB_FETCH, RAG_WEB_LOADER
from open_webui.config import ENABLE_RAG_LOCAL_WEB_FETCH, PLAYWRIGHT_WS_URI, RAG_WEB_LOADER
from open_webui.env import SRC_LOG_LEVELS
import logging
@ -83,7 +83,7 @@ def extract_metadata(soup, url):
return metadata
class SafePlaywrightURLLoader(PlaywrightURLLoader):
"""Load HTML pages safely with Playwright, supporting SSL verification and rate limiting.
"""Load HTML pages safely with Playwright, supporting SSL verification, rate limiting, and remote browser connection.
Attributes:
urls (List[str]): List of URLs to load.
@ -91,6 +91,7 @@ class SafePlaywrightURLLoader(PlaywrightURLLoader):
requests_per_second (Optional[float]): Number of requests per second to limit to.
continue_on_failure (bool): If True, continue loading other URLs on failure.
headless (bool): If True, the browser will run in headless mode.
playwright_ws_url (Optional[str]): WebSocket endpoint URI for remote browser connection.
"""
def __init__(
@ -101,19 +102,80 @@ class SafePlaywrightURLLoader(PlaywrightURLLoader):
continue_on_failure: bool = True,
headless: bool = True,
remove_selectors: Optional[List[str]] = None,
proxy: Optional[Dict[str, str]] = None
proxy: Optional[Dict[str, str]] = None,
playwright_ws_url: Optional[str] = None
):
"""Initialize with additional safety parameters."""
"""Initialize with additional safety parameters and remote browser support."""
# We'll set headless to False if using playwright_ws_url since it's handled by the remote browser
super().__init__(
urls=urls,
continue_on_failure=continue_on_failure,
headless=headless,
headless=headless if playwright_ws_url is None else False,
remove_selectors=remove_selectors,
proxy=proxy
)
self.verify_ssl = verify_ssl
self.requests_per_second = requests_per_second
self.last_request_time = None
self.playwright_ws_url = playwright_ws_url
def lazy_load(self) -> Iterator[Document]:
"""Safely load URLs synchronously with support for remote browser."""
from playwright.sync_api import sync_playwright
with sync_playwright() as p:
# Use remote browser if ws_endpoint is provided, otherwise use local browser
if self.playwright_ws_url:
browser = p.chromium.connect(self.playwright_ws_url)
else:
browser = p.chromium.launch(headless=self.headless, proxy=self.proxy)
for url in self.urls:
try:
self._safe_process_url_sync(url)
page = browser.new_page()
response = page.goto(url)
if response is None:
raise ValueError(f"page.goto() returned None for url {url}")
text = self.evaluator.evaluate(page, browser, response)
metadata = {"source": url}
yield Document(page_content=text, metadata=metadata)
except Exception as e:
if self.continue_on_failure:
log.exception(e, "Error loading %s", url)
continue
raise e
browser.close()
async def alazy_load(self) -> AsyncIterator[Document]:
"""Safely load URLs asynchronously with support for remote browser."""
from playwright.async_api import async_playwright
async with async_playwright() as p:
# Use remote browser if ws_endpoint is provided, otherwise use local browser
if self.playwright_ws_url:
browser = await p.chromium.connect(self.playwright_ws_url)
else:
browser = await p.chromium.launch(headless=self.headless, proxy=self.proxy)
for url in self.urls:
try:
await self._safe_process_url(url)
page = await browser.new_page()
response = await page.goto(url)
if response is None:
raise ValueError(f"page.goto() returned None for url {url}")
text = await self.evaluator.evaluate_async(page, browser, response)
metadata = {"source": url}
yield Document(page_content=text, metadata=metadata)
except Exception as e:
if self.continue_on_failure:
log.exception(e, "Error loading %s", url)
continue
raise e
await browser.close()
def _verify_ssl_cert(self, url: str) -> bool:
"""Verify SSL certificate for the given URL."""
@ -164,36 +226,6 @@ class SafePlaywrightURLLoader(PlaywrightURLLoader):
self._sync_wait_for_rate_limit()
return True
async def alazy_load(self) -> AsyncIterator[Document]:
"""Safely load URLs asynchronously."""
parent_iterator = super().alazy_load()
async for document in parent_iterator:
url = document.metadata["source"]
try:
await self._safe_process_url(url)
yield document
except Exception as e:
if self.continue_on_failure:
log.exception(e, "Error loading %s", url)
continue
raise e
def lazy_load(self) -> Iterator[Document]:
"""Safely load URLs synchronously."""
parent_iterator = super().lazy_load()
for document in parent_iterator:
url = document.metadata["source"]
try:
self._safe_process_url_sync(url)
yield document
except Exception as e:
if self.continue_on_failure:
log.exception(e, "Error loading %s", url)
continue
raise e
class SafeWebBaseLoader(WebBaseLoader):
"""WebBaseLoader with enhanced error handling for URLs."""
@ -224,14 +256,19 @@ def get_web_loader(
# Check if the URLs are valid
safe_urls = safe_validate_urls([urls] if isinstance(urls, str) else urls)
# Get the appropriate WebLoader based on the configuration
web_loader_args = {
"urls": safe_urls,
"verify_ssl": verify_ssl,
"requests_per_second": requests_per_second,
"continue_on_failure": True
}
if PLAYWRIGHT_WS_URI.value:
web_loader_args["playwright_ws_url"] = PLAYWRIGHT_WS_URI.value
# Create the appropriate WebLoader based on the configuration
WebLoaderClass = RAG_WEB_LOADERS[RAG_WEB_LOADER.value]
web_loader = WebLoaderClass(
safe_urls,
verify_ssl=verify_ssl,
requests_per_second=requests_per_second,
continue_on_failure=True,
)
web_loader = WebLoaderClass(**web_loader_args)
log.debug("Using RAG_WEB_LOADER %s for %s URLs", web_loader.__class__.__name__, len(safe_urls))

8
backend/start.sh
View File

@ -5,9 +5,11 @@ cd "$SCRIPT_DIR" || exit
# Add conditional Playwright browser installation
if [[ "${RAG_WEB_LOADER,,}" == "playwright" ]]; then
echo "Installing Playwright browsers..."
playwright install chromium
playwright install-deps chromium
if [[ -z "${PLAYWRIGHT_WS_URI}" ]]; then
echo "Installing Playwright browsers..."
playwright install chromium
playwright install-deps chromium
fi
python -c "import nltk; nltk.download('punkt_tab')"
fi

8
backend/start_windows.bat
View File

@ -8,9 +8,11 @@ cd /d "%SCRIPT_DIR%" || exit /b
:: Add conditional Playwright browser installation
IF /I "%RAG_WEB_LOADER%" == "playwright" (
echo Installing Playwright browsers...
playwright install chromium
playwright install-deps chromium
IF "%PLAYWRIGHT_WS_URI%" == "" (
echo Installing Playwright browsers...
playwright install chromium
playwright install-deps chromium
)
python -c "import nltk; nltk.download('punkt_tab')"
)