Spaces:
Sleeping
Sleeping
Upload 7 files
Browse files- Dockerfile +48 -0
- README.md +129 -12
- main.py +80 -0
- pyproject.toml +20 -0
- requirements.txt +3 -0
- search.py +99 -0
- website_viewer.py +64 -0
Dockerfile
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# Use Python 3.11 as the base image
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FROM python:3.11-slim
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# Set working directory
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WORKDIR /app
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# Install system dependencies
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RUN apt-get update && apt-get install -y \
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gcc \
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libglib2.0-0 \
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libnss3 \
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libnspr4 \
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libdbus-1-3 \
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libatk1.0-0 \
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libatk-bridge2.0-0 \
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libcups2 \
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libdrm2 \
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libxkbcommon0 \
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libatspi2.0-0 \
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libxcomposite1 \
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libxdamage1 \
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libxext6 \
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libxfixes3 \
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libxrandr2 \
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libgbm1 \
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libpango-1.0-0 \
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libcairo2 \
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libasound2 \
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&& rm -rf /var/lib/apt/lists/*
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# Copy pyproject.toml and install Python dependencies
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COPY pyproject.toml .
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RUN pip install -e .
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# Copy the application code
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COPY . .
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# Install playwright
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RUN playwright install
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# Set environment variables
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ENV PYTHONUNBUFFERED=1
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# Expose the port the app runs on
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EXPOSE 8000
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# Command to run the FastAPI application with uvicorn
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CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
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README.md
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@@ -1,12 +1,129 @@
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# Search Engine API
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A FastAPI-based search engine that uses DuckDuckGo's lite search interface.
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## Setup
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1. Install the required dependencies:
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```bash
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pip install -r requirements.txt
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```
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2. Run the API server:
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```bash
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uvicorn main:app --reload
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```
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The API will be available at `http://localhost:8000`
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## API Documentation
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Once the server is running, you can access the interactive API documentation at:
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- Swagger UI: `http://localhost:8000/docs`
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- ReDoc: `http://localhost:8000/redoc`
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## API Endpoints
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### POST /search
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Search for content using a search phrase.
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Request body:
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```json
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{
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"search_phrase": "your search query"
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}
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```
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Response:
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```json
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{
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"results": {
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"Item_1": {
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"title": "Result title",
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"snippet": "Result snippet",
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"linkText": "Link text"
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},
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// ... more items
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}
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}
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```
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### POST /websiteView
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View and browse a website's content in Markdown format.
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Request body:
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```json
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{
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"url": "https://example.com"
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}
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```
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Response:
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```json
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{
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"title": "Website Title",
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"markdown": "# Website Title\n\nMain content in Markdown format...\n\n## Links\n\n- [Link text](https://example.com/link)\n\n## Images\n\n",
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"links": [
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{
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"text": "Link text",
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"url": "https://example.com/link",
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"markdown": "[Link text](https://example.com/link)"
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}
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],
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"images": [
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{
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"src": "https://example.com/image.jpg",
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"alt": "Image description",
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"markdown": ""
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}
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],
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"url": "https://example.com"
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}
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```
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### POST /searchWithContent
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Search for content and retrieve the full content of the top N results.
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Request body:
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```json
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{
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"search_phrase": "your search query",
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"top_n": 5
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}
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```
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Response:
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```json
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{
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"results": {
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"Item_1": {
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"title": "Result title",
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"snippet": "Result snippet",
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"linkText": "https://example.com",
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"content": {
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"title": "Website Title",
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"markdown": "# Website Title\n\nMain content in Markdown format...",
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"links": [...],
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"images": [...],
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"url": "https://example.com"
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}
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},
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// ... more items up to top_n
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}
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}
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```
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The `content` field for each result contains the full website content in Markdown format, including:
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- Title as a level 1 heading
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- Main content
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- Links section with Markdown-formatted links
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- Images section with Markdown-formatted images
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## Error Handling
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The API will return appropriate HTTP status codes and error messages in case of failures:
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- 500: Internal server error
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- 422: Validation error (invalid request body)
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main.py
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from fastapi import FastAPI, HTTPException
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from fastapi.middleware.cors import CORSMiddleware
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from pydantic import BaseModel
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from search import search_n_browse, search_with_content
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from website_viewer import fetch_website_content
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from typing import Dict, List
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app = FastAPI(title="VerboAI Search Engine API", description="""
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VerboAI Search Engine API provides three core functionalities:
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1. Web search with browsing capabilities
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2. Website content extraction with structured data (title, markdown, links, and images)
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3. Content-based search that returns the top N most relevant results from websites
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The API is built with FastAPI, supports CORS, and is ready for cloud deployment. Powered by VerboAI.
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""", version="1.0.0", docs_url="/", redoc_url="/redoc")
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# Enable CORS
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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class SearchRequest(BaseModel):
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search_phrase: str
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class SearchResponse(BaseModel):
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results: dict
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class WebsiteViewRequest(BaseModel):
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url: str
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class WebsiteViewResponse(BaseModel):
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title: str
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markdown: str
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links: Dict[str, List[Dict]] = {}
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images: Dict[str, List[Dict]] = {}
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url: str
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class SearchWithContentRequest(BaseModel):
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search_phrase: str
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top_n: int = 5
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class SearchWithContentResponse(BaseModel):
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results: dict
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@app.post("/search", response_model=SearchResponse)
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async def search(request: SearchRequest):
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try:
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results = await search_n_browse(request.search_phrase)
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return SearchResponse(results=results)
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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@app.post("/websiteView", response_model=WebsiteViewResponse)
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async def view_website(request: WebsiteViewRequest):
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try:
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website_content = await fetch_website_content(request.url)
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return WebsiteViewResponse(**website_content)
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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@app.post("/searchWithContent", response_model=SearchWithContentResponse)
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async def search_with_content_endpoint(request: SearchWithContentRequest):
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try:
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results = await search_with_content(request.search_phrase, request.top_n)
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return SearchWithContentResponse(results=results)
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=8000)
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pyproject.toml
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[project]
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name = "search-engine-aapi"
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version = "0.1.0"
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description = "A search engine API"
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authors = [
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{ name = "Your Name", email = "your.email@example.com" }
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]
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dependencies = [
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"fastapi==0.109.2",
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"uvicorn==0.27.1",
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"crawl4ai==0.3.3",
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]
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requires-python = ">=3.9,<3.13"
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[build-system]
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requires = ["hatchling"]
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build-backend = "hatchling.build"
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[tool.hatch.build.targets.wheel]
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packages = ["src/search_engine_aapi"]
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requirements.txt
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fastapi==0.109.2
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uvicorn==0.27.1
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crawl4ai==0.3.3
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search.py
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|
| 1 |
+
import aiohttp
|
| 2 |
+
from bs4 import BeautifulSoup
|
| 3 |
+
import re
|
| 4 |
+
from website_viewer import fetch_website_content
|
| 5 |
+
|
| 6 |
+
async def search_n_browse(search_phrase: str) -> dict:
|
| 7 |
+
url = "https://lite.duckduckgo.com/lite/"
|
| 8 |
+
headers = {
|
| 9 |
+
"Content-Type": "application/x-www-form-urlencoded",
|
| 10 |
+
}
|
| 11 |
+
data = {
|
| 12 |
+
"q": search_phrase,
|
| 13 |
+
}
|
| 14 |
+
|
| 15 |
+
try:
|
| 16 |
+
async with aiohttp.ClientSession() as session:
|
| 17 |
+
async with session.post(url, data=data, headers=headers) as response:
|
| 18 |
+
if response.status == 200:
|
| 19 |
+
body = await response.text()
|
| 20 |
+
soup = BeautifulSoup(body, 'html.parser')
|
| 21 |
+
|
| 22 |
+
# Extract links
|
| 23 |
+
links = [a['href'] for a in soup.find_all('a', href=True)
|
| 24 |
+
if not a['href'].startswith('#')]
|
| 25 |
+
links = [link if link.startswith('http') else '' for link in links]
|
| 26 |
+
|
| 27 |
+
# Extract titles
|
| 28 |
+
titles = [a.text.strip() for a in soup.select('tr > td > a')]
|
| 29 |
+
|
| 30 |
+
# Extract snippets
|
| 31 |
+
snippets = [td.text.strip() for td in soup.select('td.result-snippet')]
|
| 32 |
+
|
| 33 |
+
# Extract link texts
|
| 34 |
+
link_texts = [span.text for span in soup.select('td > span.link-text')]
|
| 35 |
+
|
| 36 |
+
# Process results
|
| 37 |
+
json_data = {}
|
| 38 |
+
if snippets:
|
| 39 |
+
for index, snippet in enumerate(snippets):
|
| 40 |
+
json_data[f"Item_{index + 1}"] = {
|
| 41 |
+
"title": titles[index] if index < len(titles) else "",
|
| 42 |
+
"snippet": snippet,
|
| 43 |
+
"linkText": link_texts[index] if index < len(link_texts) else "",
|
| 44 |
+
}
|
| 45 |
+
else:
|
| 46 |
+
json_data["Result"] = {
|
| 47 |
+
"title": "No results were found.",
|
| 48 |
+
"snippet": "Our search engine could not find what you are looking for.",
|
| 49 |
+
"linkText": "Thank you for using our search engine.",
|
| 50 |
+
}
|
| 51 |
+
|
| 52 |
+
return json_data
|
| 53 |
+
else:
|
| 54 |
+
raise Exception(f"Search API error. Status code: {response.status}")
|
| 55 |
+
except Exception as e:
|
| 56 |
+
raise Exception(f"Error during search: {str(e)}")
|
| 57 |
+
|
| 58 |
+
async def search_with_content(search_phrase: str, top_n: int = 5) -> dict:
|
| 59 |
+
"""
|
| 60 |
+
Search for content and retrieve the content of the top N results
|
| 61 |
+
"""
|
| 62 |
+
try:
|
| 63 |
+
# First, get the search results
|
| 64 |
+
search_results = await search_n_browse(search_phrase)
|
| 65 |
+
|
| 66 |
+
# Process only the top N results
|
| 67 |
+
top_results = {}
|
| 68 |
+
count = 0
|
| 69 |
+
|
| 70 |
+
for key, result in search_results.items():
|
| 71 |
+
if key.startswith("Item_") and count < top_n:
|
| 72 |
+
try:
|
| 73 |
+
# Get the URL from linkText
|
| 74 |
+
url = result.get("linkText", "")
|
| 75 |
+
if url:
|
| 76 |
+
# Fetch the content of the page
|
| 77 |
+
content = await fetch_website_content(url)
|
| 78 |
+
|
| 79 |
+
# Add the content to the result
|
| 80 |
+
top_results[key] = {
|
| 81 |
+
"title": result.get("title", ""),
|
| 82 |
+
"snippet": result.get("snippet", ""),
|
| 83 |
+
"linkText": result.get("linkText", ""),
|
| 84 |
+
"content": content
|
| 85 |
+
}
|
| 86 |
+
count += 1
|
| 87 |
+
except Exception as e:
|
| 88 |
+
# If we can't fetch the content, still include the basic result
|
| 89 |
+
top_results[key] = {
|
| 90 |
+
"title": result.get("title", ""),
|
| 91 |
+
"snippet": result.get("snippet", ""),
|
| 92 |
+
"linkText": result.get("linkText", ""),
|
| 93 |
+
"error": f"Could not fetch content: {str(e)}"
|
| 94 |
+
}
|
| 95 |
+
count += 1
|
| 96 |
+
|
| 97 |
+
return top_results
|
| 98 |
+
except Exception as e:
|
| 99 |
+
raise Exception(f"Error during search with content: {str(e)}")
|
website_viewer.py
ADDED
|
@@ -0,0 +1,64 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
import logging
|
| 2 |
+
import aiohttp
|
| 3 |
+
from bs4 import BeautifulSoup
|
| 4 |
+
from html2text import HTML2Text
|
| 5 |
+
from typing import Dict, List, Optional
|
| 6 |
+
from urllib.parse import urljoin, urlparse
|
| 7 |
+
from crawl4ai import *
|
| 8 |
+
|
| 9 |
+
|
| 10 |
+
# Configure logging
|
| 11 |
+
logging.basicConfig(level=logging.INFO)
|
| 12 |
+
logger = logging.getLogger(__name__)
|
| 13 |
+
|
| 14 |
+
class WebsiteViewerError(Exception):
|
| 15 |
+
pass
|
| 16 |
+
|
| 17 |
+
async def fetch_website_content(url: str) -> Dict:
|
| 18 |
+
"""
|
| 19 |
+
Fetch website content using aiohttp and BeautifulSoup.
|
| 20 |
+
|
| 21 |
+
Args:
|
| 22 |
+
url (str): The URL of the website to fetch
|
| 23 |
+
|
| 24 |
+
Returns:
|
| 25 |
+
Dict: A dictionary containing:
|
| 26 |
+
- title: The page title (str)
|
| 27 |
+
- content: The main content in markdown format (str)
|
| 28 |
+
- links: List of absolute URLs found on the page (List[str])
|
| 29 |
+
- images: List of image URLs found on the page (List[str])
|
| 30 |
+
- url: The original URL (str)
|
| 31 |
+
"""
|
| 32 |
+
try:
|
| 33 |
+
if not url.startswith(('http://', 'https://')):
|
| 34 |
+
url = 'https://' + url
|
| 35 |
+
|
| 36 |
+
async with AsyncWebCrawler() as crawler:
|
| 37 |
+
result = await crawler.arun(
|
| 38 |
+
url=url,
|
| 39 |
+
)
|
| 40 |
+
soup = BeautifulSoup(result.html, 'html.parser')
|
| 41 |
+
|
| 42 |
+
# Process links - convert relative URLs to absolute
|
| 43 |
+
links = result.links
|
| 44 |
+
|
| 45 |
+
# Process images - get src attributes
|
| 46 |
+
media = result.media
|
| 47 |
+
|
| 48 |
+
|
| 49 |
+
# Get title
|
| 50 |
+
title = soup.title.string if soup.title else ''
|
| 51 |
+
|
| 52 |
+
output = {
|
| 53 |
+
"title": title,
|
| 54 |
+
"markdown": result.markdown,
|
| 55 |
+
"links": links,
|
| 56 |
+
"media": media,
|
| 57 |
+
"url": url
|
| 58 |
+
}
|
| 59 |
+
|
| 60 |
+
return output
|
| 61 |
+
|
| 62 |
+
except Exception as e:
|
| 63 |
+
logger.error(f"Error fetching website content: {str(e)}")
|
| 64 |
+
raise WebsiteViewerError(f"Failed to fetch website content: {str(e)}")
|