fix: 修复爬虫功能

This commit is contained in:
ViperEkura 2026-04-13 15:12:53 +08:00
parent f10c5de950
commit 7c998d6de3
2 changed files with 20 additions and 54 deletions

View File

@ -5,84 +5,49 @@ from urllib.parse import parse_qs, urlparse, quote
from typing import List
from concurrent.futures import ThreadPoolExecutor, as_completed
from bs4 import BeautifulSoup
from ddgs import DDGS
class SearchService:
"""DuckDuckGo search"""
"""DuckDuckGo search using ddgs library"""
def search(self, query: str, max_results: int = 5) -> List[dict]:
headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"}
url = f"https://html.duckduckgo.com/html/?q={quote(query)}"
try:
resp = httpx.get(url, headers=headers, timeout=15, follow_redirects=True)
resp.raise_for_status()
except Exception:
return []
soup = BeautifulSoup(resp.text, "html.parser")
results = []
for result in soup.select(".result")[:max_results]:
title_elem = result.select_one(".result__title a")
snippet_elem = result.select_one(".result__snippet")
if title_elem:
raw_url = title_elem.get("href", "")
if "uddg=" in raw_url:
params = parse_qs(urlparse(raw_url).query)
clean_url = params.get("uddg", [raw_url])[0]
else:
clean_url = raw_url
try:
for result in DDGS().text(query, max_results=max_results):
results.append({
"title": title_elem.get_text(strip=True),
"url": clean_url,
"snippet": snippet_elem.get_text(strip=True) if snippet_elem else ""
"title": result.get("title", ""),
"url": result.get("href", ""),
"snippet": result.get("body", "")
})
except Exception:
pass
return results
class FetchService:
"""Page fetch with concurrent support"""
"""Page fetch using ddgs with concurrent support"""
def __init__(self, timeout: float = 15.0):
self.timeout = timeout
self.user_agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"
def fetch(self, url: str, extract_type: str = "text") -> dict:
if not url.startswith(("http://", "https://")):
url = "https://" + url
try:
resp = httpx.get(url, timeout=self.timeout, follow_redirects=True, headers={"User-Agent": self.user_agent})
resp.raise_for_status()
except httpx.TimeoutException:
return {"error": "Request timeout"}
result = DDGS().fetch(url)
if result and result.get("results"):
page_data = result["results"][0]
return {
"url": url,
"title": page_data.get("title", ""),
"text": page_data.get("text", "")[:15000]
}
except Exception as e:
return {"error": str(e)}
soup = BeautifulSoup(resp.text, "html.parser")
title = soup.title.string if soup.title else ""
# Remove noise
for tag in soup(["script", "style", "nav", "footer", "header", "aside"]):
tag.decompose()
if extract_type == "links":
links = [{"text": a.get_text(strip=True), "url": a["href"]}
for a in soup.find_all("a", href=True)
if a.get_text(strip=True) and not a["href"].startswith(("#", "javascript:"))]
return {"url": url, "links": links[:50]}
text = re.sub(r"\n{3,}", "\n\n", soup.get_text(separator="\n", strip=True))
if extract_type == "structured":
meta_desc = soup.find("meta", attrs={"name": "description"})
return {"url": url, "title": title, "description": (meta_desc.get("content", "") if meta_desc else ""), "text": text[:5000]}
return {"url": url, "title": title, "text": text[:15000]}
return {"url": url, "title": "", "text": ""}
def fetch_batch(self, urls: List[str], extract_type: str = "text", max_concurrent: int = 5) -> List[dict]:
if len(urls) <= 1:

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@ -22,6 +22,7 @@ dependencies = [
"email-validator>=2.1.0",
"shortuuid>=1.0.11",
"sse-starlette>=2.0.0",
"ddgs>=5.0.0",
]
[project.optional-dependencies]