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Browse files- main.py +338 -0
- requirements.txt +0 -0
- rich_card_builder.py +71 -0
- scraper.py +73 -0
- summarizer.py +205 -0
main.py
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| 1 |
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from fastapi import FastAPI, HTTPException, Request
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from fastapi.responses import HTMLResponse
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from fastapi.templating import Jinja2Templates
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from fastapi.staticfiles import StaticFiles
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from pydantic import HttpUrl
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from scraper import scrape_page
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from summarizer import quick_summarize
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from rich_card_builder import build_rich_card
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import asyncio
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from urllib.parse import urlparse
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import logging
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import http.client
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import json
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from dotenv import load_dotenv
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import os
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import google.generativeai as genai
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from typing import Optional, List, Dict
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# Load environment variables
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load_dotenv()
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# Set up logging
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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app = FastAPI(title="Website Scraper API (Enhanced for RCS)")
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# Mount static files
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app.mount("/static", StaticFiles(directory="static"), name="static")
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# Set up Jinja2 templates
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templates = Jinja2Templates(directory="templates")
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# Sample rich cards for testing
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SAMPLE_RICH_CARDS = [
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{
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"title": "Summer Collection 2025",
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"text": "Discover vibrant summer styles at Pantaloons.",
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"media": "https://example.com/summer.jpg",
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"url": "https://example.com/summer",
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"buttons": [
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{"type": "weburl", "title": "View Now", "payload": "https://example.com/summer"},
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{"type": "postback", "title": "Learn More", "payload": "learn_more_1"}
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],
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"quickReplies": [
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{"type": "postback", "title": "Show Similar", "payload": "similar_content_1"},
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{"type": "call", "title": "Contact Support", "payload": "+12345678901"}
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]
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},
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{
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"title": "Yu Collection",
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"text": "Explore trendy youth fashion with Yu Collection.",
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"media": "https://example.com/yu.jpg",
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"url": "https://example.com/yu_collection",
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"buttons": [
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{"type": "weburl", "title": "View Now", "payload": "https://example.com/yu_collection"},
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{"type": "postback", "title": "Learn More", "payload": "learn_more_2"}
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],
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"quickReplies": [
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{"type": "postback", "title": "Show Similar", "payload": "similar_content_2"},
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{"type": "call", "title": "Contact Support", "payload": "+12345678901"}
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]
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}
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]
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async def generate_dynamic_buttons(title: str, description: str, url: str, next_interaction: str = None) -> List[Dict]:
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"""Generate dynamic quick reply buttons for the next interaction using Gemini-1.5 Flash."""
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try:
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# Validate inputs
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title = title.strip() if title and title.strip() else "News Summary"
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description = description.strip() if description and description.strip() else "Explore news and insights."
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url = url.strip() if url and url.strip() else "https://example.com"
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| 72 |
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logging.info(f"Generating buttons for: title={title}, description={description[:30]}..., url={url}")
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| 74 |
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# Get Gemini API key
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| 76 |
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api_key = os.getenv("GEMINI_API_KEY")
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| 77 |
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if not api_key:
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| 78 |
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logging.error("Gemini API key not found. Please set GEMINI_API_KEY in .env file.")
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return [{"type": "postback", "title": "Explore More", "payload": f"goto_{next_interaction}", "execute": next_interaction}] if next_interaction else []
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# Configure Gemini client
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genai.configure(api_key=api_key)
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model = genai.GenerativeModel('gemini-1.5-flash')
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| 84 |
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# Combine inputs (no chunking, as input is small)
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input_text = f"Title: {title}\nDescription: {description}\nURL: {url}"
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input_text = input_text[:500] # Truncate to 500 chars to stay within limits
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# Optimized prompt
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prompt = (
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f"Based on the following content for the next interaction, suggest up to two concise (3-8 words) quick reply button titles that are action-oriented and invite the user to explore this content. The buttons should be engaging, relevant to the content, and avoid generic terms like 'Show Next'. Return the titles as a JSON array of strings.\n\n"
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f"{input_text}\n\n"
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f"Example output: [\"Discover Yu Collection\", \"Shop Youth Styles\"]\n"
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f"Return only the JSON array, no markdown or extra text."
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)
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| 96 |
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| 97 |
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# Retry mechanism for API calls
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| 98 |
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max_retries = 3
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for attempt in range(max_retries):
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try:
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response = await model.generate_content_async(prompt)
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| 102 |
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raw_content = response.text.strip()
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| 103 |
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logging.info(f"Gemini response: {raw_content}")
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| 105 |
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# Remove markdown code block markers if present
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| 106 |
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raw_content = raw_content.strip('```json').strip('```').strip()
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| 107 |
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| 108 |
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# Parse response
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| 109 |
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button_titles = json.loads(raw_content)
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| 110 |
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if not isinstance(button_titles, list) or not all(isinstance(t, str) for t in button_titles):
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logging.warning(f"Invalid Gemini response format: {raw_content}")
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raise ValueError("Response is not a list of strings")
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| 113 |
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| 114 |
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# Filter valid button titles
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| 115 |
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valid_buttons = [t.strip() for t in button_titles if t.strip() and 3 <= len(t.strip().split()) <= 8]
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| 116 |
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if not valid_buttons:
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| 117 |
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logging.warning("No valid button titles in response")
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| 118 |
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raise ValueError("No valid button titles")
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| 119 |
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| 120 |
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# Create quick replies
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quick_replies = [
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{
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"type": "postback",
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| 124 |
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"title": title[:20], # Ensure concise title
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| 125 |
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"payload": f"goto_{next_interaction}_{i}",
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| 126 |
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"execute": next_interaction
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| 127 |
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}
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| 128 |
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for i, title in enumerate(valid_buttons[:2])
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]
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logging.info(f"Generated quick replies: {quick_replies}")
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return quick_replies
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| 133 |
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except Exception as e:
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logging.warning(f"Attempt {attempt + 1} failed: {str(e)}")
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if attempt < max_retries - 1:
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await asyncio.sleep(1) # Wait before retrying
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continue
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# Fallback if all retries fail
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logging.error("All retries failed for button generation")
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return [{"type": "postback", "title": "Explore More", "payload": f"goto_{next_interaction}", "execute": next_interaction}] if next_interaction else []
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| 142 |
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except Exception as e:
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| 144 |
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logging.error(f"Error generating dynamic buttons: {str(e)}")
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| 145 |
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return [{"type": "postback", "title": "Explore More", "payload": f"goto_{next_interaction}", "execute": next_interaction}] if next_interaction else []
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| 146 |
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| 147 |
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async def create_nativemsg_bot(rich_cards: List[Dict], url: str, bot_name: str, api_token: str) -> Dict:
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| 148 |
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"""Create a bot on NativeMSG with connected interactions based on rich cards."""
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try:
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| 150 |
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# Validate API token
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| 151 |
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if not api_token:
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logging.error("NativeMSG API token not provided and not found in .env file.")
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| 153 |
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raise ValueError("NativeMSG API token is required.")
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| 154 |
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| 155 |
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# Use provided bot name or default to dynamic name
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| 156 |
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final_bot_name = bot_name or f"Bot for {urlparse(url).netloc}"
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| 157 |
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| 158 |
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# Prepare bot payload
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| 159 |
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interactions = []
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| 160 |
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for idx, card in enumerate(rich_cards, 1):
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# Determine the next interaction and next card (if any)
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| 163 |
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next_interaction = f"Interaction #{idx + 1}" if idx < len(rich_cards) else None
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| 164 |
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next_card = rich_cards[idx] if idx < len(rich_cards) else None
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| 165 |
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# Get buttons from current card
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| 167 |
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buttons = card.get("buttons", [])
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# Generate dynamic quick replies based on *next* card
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| 170 |
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dynamic_quick_replies = []
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if next_card:
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dynamic_quick_replies = await generate_dynamic_buttons(
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title=next_card.get("title", "News Summary"),
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| 174 |
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description=next_card.get("text", "Explore news and insights."),
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| 175 |
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url=next_card.get("url", ""),
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| 176 |
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next_interaction=next_interaction
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| 177 |
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)
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| 178 |
+
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| 179 |
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# Define quick replies
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quick_replies = dynamic_quick_replies + [
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{
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"type": "call",
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| 183 |
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"title": "Contact Support",
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"payload": "+12345678901"
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}
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]
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| 187 |
+
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# Build message for current card
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| 189 |
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message = {
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| 190 |
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"text": f"{card['title']}\n\n{card['text']}",
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"mediaType": "image",
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| 192 |
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"media": card.get("media", "") or "https://example.com/placeholder.jpg",
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"richCard": {
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"cardOrientation": "VERTICAL",
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"mediaHeight": "MEDIUM"
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},
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| 197 |
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"buttons": buttons,
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| 198 |
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"quickReplies": quick_replies
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| 199 |
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}
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| 200 |
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| 201 |
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# Build interaction
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interaction = {
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| 203 |
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"name": f"Interaction #{idx}",
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"intents": ["show_content", f"content_{idx}"],
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"actions": [
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| 206 |
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{
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"send": {
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"message": message
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},
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"type": "RichCard",
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| 211 |
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"name": f"Send Rich Card #{idx}"
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| 212 |
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}
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| 213 |
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]
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| 214 |
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}
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interactions.append(interaction)
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+
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# Add welcome interaction
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welcome_message = {
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"text": f"Welcome to the {urlparse(url).netloc} RCS Bot! Explore the latest content.",
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| 220 |
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"richCard": {
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| 221 |
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"cardOrientation": "VERTICAL",
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| 222 |
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"mediaHeight": "MEDIUM"
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| 223 |
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},
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"quickReplies": [
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{
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"type": "postback",
|
| 227 |
+
"title": "Start Exploring",
|
| 228 |
+
"payload": "start_exploring",
|
| 229 |
+
"execute": "Interaction #1"
|
| 230 |
+
}
|
| 231 |
+
]
|
| 232 |
+
}
|
| 233 |
+
welcome_interaction = {
|
| 234 |
+
"name": "Welcome Interaction",
|
| 235 |
+
"intents": ["start", "welcome"],
|
| 236 |
+
"actions": [
|
| 237 |
+
{
|
| 238 |
+
"send": {
|
| 239 |
+
"message": welcome_message
|
| 240 |
+
},
|
| 241 |
+
"type": "RichCard",
|
| 242 |
+
"name": "Send Welcome Message"
|
| 243 |
+
}
|
| 244 |
+
]
|
| 245 |
+
}
|
| 246 |
+
interactions.insert(0, welcome_interaction)
|
| 247 |
+
|
| 248 |
+
payload = {
|
| 249 |
+
"name": final_bot_name,
|
| 250 |
+
"interactions": interactions
|
| 251 |
+
}
|
| 252 |
+
|
| 253 |
+
# Log the payload for debugging
|
| 254 |
+
logging.info(f"NativeMSG bot payload: {json.dumps(payload, indent=2)}")
|
| 255 |
+
|
| 256 |
+
# Send request to NativeMSG API
|
| 257 |
+
connection = http.client.HTTPSConnection("api.nativemsg.com")
|
| 258 |
+
headers = {
|
| 259 |
+
"Authorization": f"Bearer {api_token}",
|
| 260 |
+
"Content-Type": "application/json"
|
| 261 |
+
}
|
| 262 |
+
connection.request("POST", "/v1/bots", json.dumps(payload), headers)
|
| 263 |
+
response = connection.getresponse()
|
| 264 |
+
response_data = response.read().decode('utf-8')
|
| 265 |
+
|
| 266 |
+
logging.info(f"NativeMSG bot creation response: Status {response.status}, Data: {response_data}")
|
| 267 |
+
|
| 268 |
+
if response.status != 200:
|
| 269 |
+
logging.error(f"Failed to create bot: {response_data}")
|
| 270 |
+
raise HTTPException(status_code=500, detail=f"Failed to create bot: {response_data}")
|
| 271 |
+
|
| 272 |
+
return json.loads(response_data)
|
| 273 |
+
|
| 274 |
+
except Exception as e:
|
| 275 |
+
logging.error(f"Error creating NativeMSG bot: {str(e)}")
|
| 276 |
+
raise HTTPException(status_code=500, detail=f"Failed to create bot: {str(e)}")
|
| 277 |
+
|
| 278 |
+
@app.get("/scrape")
|
| 279 |
+
async def crawl_website(
|
| 280 |
+
url: HttpUrl,
|
| 281 |
+
use_sample: bool = False,
|
| 282 |
+
bot_name: Optional[str] = None,
|
| 283 |
+
nativemsg_token: Optional[str] = None
|
| 284 |
+
):
|
| 285 |
+
"""Crawl a website or use sample data, generate rich cards, and create a NativeMSG bot."""
|
| 286 |
+
try:
|
| 287 |
+
# Determine API token
|
| 288 |
+
api_token = nativemsg_token or os.getenv("NATIVEMSG_API_TOKEN")
|
| 289 |
+
|
| 290 |
+
if use_sample:
|
| 291 |
+
results = SAMPLE_RICH_CARDS
|
| 292 |
+
else:
|
| 293 |
+
visited = set()
|
| 294 |
+
to_visit = {str(url)}
|
| 295 |
+
base_domain = urlparse(str(url)).netloc
|
| 296 |
+
results = []
|
| 297 |
+
|
| 298 |
+
while to_visit and len(visited) < 20: # Limited to 10 for demo
|
| 299 |
+
current_url = to_visit.pop()
|
| 300 |
+
if current_url in visited:
|
| 301 |
+
continue
|
| 302 |
+
visited.add(current_url)
|
| 303 |
+
|
| 304 |
+
logging.info(f"Scraping page: {current_url}")
|
| 305 |
+
page_data, new_links = await scrape_page(current_url, visited, base_domain)
|
| 306 |
+
if page_data:
|
| 307 |
+
logging.info(f"Scraped data: {page_data}")
|
| 308 |
+
summary = await quick_summarize(page_data["text"], page_data["url"])
|
| 309 |
+
rich_card = build_rich_card(page_data, summary)
|
| 310 |
+
rich_card["title"] = summary.get("title", "News Summary")
|
| 311 |
+
rich_card["url"] = page_data.get("url", str(url))
|
| 312 |
+
results.append(rich_card)
|
| 313 |
+
|
| 314 |
+
to_visit.update(new_links)
|
| 315 |
+
await asyncio.sleep(0.5)
|
| 316 |
+
|
| 317 |
+
if not results:
|
| 318 |
+
logging.error("No rich cards generated from scraping.")
|
| 319 |
+
raise HTTPException(status_code=400, detail="No content scraped from the provided URL.")
|
| 320 |
+
|
| 321 |
+
# Create NativeMSG bot with the rich cards
|
| 322 |
+
bot_response = await create_nativemsg_bot(results, str(url), bot_name, api_token)
|
| 323 |
+
|
| 324 |
+
logging.info(f"Final response: {results}, Bot: {bot_response}")
|
| 325 |
+
return {"rich_cards": results, "bot_response": bot_response}
|
| 326 |
+
|
| 327 |
+
except Exception as e:
|
| 328 |
+
logging.error(f"Scraping or bot creation failed: {str(e)}")
|
| 329 |
+
raise HTTPException(status_code=500, detail=f"Scraping or bot creation failed: {str(e)}")
|
| 330 |
+
|
| 331 |
+
@app.get("/", response_class=HTMLResponse)
|
| 332 |
+
async def serve_home(request: Request):
|
| 333 |
+
"""Serve the frontend HTML page."""
|
| 334 |
+
return templates.TemplateResponse("index.html", {"request": request})
|
| 335 |
+
|
| 336 |
+
if __name__ == "__main__":
|
| 337 |
+
import uvicorn
|
| 338 |
+
uvicorn.run(app, host="0.0.0.0", port=8001)
|
requirements.txt
ADDED
|
Binary file (194 Bytes). View file
|
|
|
rich_card_builder.py
ADDED
|
@@ -0,0 +1,71 @@
|
|
|
|
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|
|
|
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|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
import logging
|
| 2 |
+
|
| 3 |
+
# Set up logging
|
| 4 |
+
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
|
| 5 |
+
|
| 6 |
+
def select_relevant_image(images: list, text: str) -> str:
|
| 7 |
+
"""Select a contextually relevant image from the list based on text."""
|
| 8 |
+
if not images:
|
| 9 |
+
logging.info("No images available, using empty media URL.")
|
| 10 |
+
return ""
|
| 11 |
+
|
| 12 |
+
# Prioritize images that are likely content-related (avoid logos, icons)
|
| 13 |
+
for img in images:
|
| 14 |
+
if not any(keyword in img.lower() for keyword in ["logo", "icon", "banner", "ad"]):
|
| 15 |
+
logging.info(f"Selected image: {img}")
|
| 16 |
+
return img
|
| 17 |
+
|
| 18 |
+
# Fallback to first image if no clear content image
|
| 19 |
+
logging.info(f"No content image found, using first image: {images[0]}")
|
| 20 |
+
return images[0]
|
| 21 |
+
|
| 22 |
+
def build_rich_card(scraped_data: dict, summary: dict) -> dict:
|
| 23 |
+
"""Build the rich card JSON using only scraped data and summary."""
|
| 24 |
+
logging.info(f"Building rich card with scraped_data: {scraped_data}, summary: {summary}")
|
| 25 |
+
|
| 26 |
+
# Select relevant image
|
| 27 |
+
media_url = select_relevant_image(scraped_data.get("images", []), scraped_data.get("text", ""))
|
| 28 |
+
|
| 29 |
+
# Use scraped URL
|
| 30 |
+
page_url = scraped_data.get("url", "")
|
| 31 |
+
|
| 32 |
+
# Use summary description
|
| 33 |
+
description = summary.get("description", "Explore news and insights.")
|
| 34 |
+
|
| 35 |
+
rich_card = {
|
| 36 |
+
"targets": [{"ids": [1368], "targetType": "humans"}],
|
| 37 |
+
"text": description,
|
| 38 |
+
"mediaType": "image",
|
| 39 |
+
"media": media_url,
|
| 40 |
+
"buttons": [
|
| 41 |
+
{
|
| 42 |
+
"type": "weburl",
|
| 43 |
+
"title": "View Now",
|
| 44 |
+
"payload": page_url
|
| 45 |
+
},
|
| 46 |
+
{
|
| 47 |
+
"type": "postback",
|
| 48 |
+
"title": "Learn More",
|
| 49 |
+
"payload": "learn_more",
|
| 50 |
+
"execute": None
|
| 51 |
+
}
|
| 52 |
+
],
|
| 53 |
+
"quickReplies": [
|
| 54 |
+
{
|
| 55 |
+
"type": "postback",
|
| 56 |
+
"title": "Show Similar",
|
| 57 |
+
"payload": "similar_content"
|
| 58 |
+
},
|
| 59 |
+
{
|
| 60 |
+
"type": "call",
|
| 61 |
+
"title": "Contact Support",
|
| 62 |
+
"payload": "+12345678901"
|
| 63 |
+
}
|
| 64 |
+
],
|
| 65 |
+
"richCard": {
|
| 66 |
+
"cardOrientation": "VERTICAL",
|
| 67 |
+
"mediaHeight": "MEDIUM"
|
| 68 |
+
}
|
| 69 |
+
}
|
| 70 |
+
logging.info(f"Generated rich card: {rich_card}")
|
| 71 |
+
return rich_card
|
scraper.py
ADDED
|
@@ -0,0 +1,73 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
from playwright.async_api import async_playwright
|
| 2 |
+
from urllib.parse import urljoin, urlparse
|
| 3 |
+
import logging
|
| 4 |
+
|
| 5 |
+
# Set up logging
|
| 6 |
+
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
|
| 7 |
+
|
| 8 |
+
async def scrape_page(url: str, visited: set, base_domain: str) -> tuple[dict, set]:
|
| 9 |
+
"""Scrape a single page for text, images, and links using Playwright."""
|
| 10 |
+
try:
|
| 11 |
+
async with async_playwright() as p:
|
| 12 |
+
browser = await p.chromium.launch(headless=True)
|
| 13 |
+
context = await browser.new_context(
|
| 14 |
+
user_agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36",
|
| 15 |
+
viewport={"width": 1280, "height": 720}
|
| 16 |
+
)
|
| 17 |
+
page = await context.new_page()
|
| 18 |
+
await page.goto(url, wait_until="networkidle", timeout=30000)
|
| 19 |
+
await page.evaluate("window.scrollTo(0, document.body.scrollHeight)")
|
| 20 |
+
await page.wait_for_timeout(2000)
|
| 21 |
+
|
| 22 |
+
# Extract text content
|
| 23 |
+
text_content = await page.evaluate("document.body.innerText")
|
| 24 |
+
text_content = ' '.join(text_content.split()) if text_content else ""
|
| 25 |
+
|
| 26 |
+
# Extract images (only JPEG, PNG, WebP, exclude data URLs and SVGs)
|
| 27 |
+
images = await page.evaluate(
|
| 28 |
+
"""() => {
|
| 29 |
+
const validExtensions = ['.jpg', '.jpeg', '.png', '.webp'];
|
| 30 |
+
const imgElements = document.querySelectorAll('img');
|
| 31 |
+
const imgUrls = new Set();
|
| 32 |
+
imgElements.forEach(img => {
|
| 33 |
+
const src = img.src || '';
|
| 34 |
+
const dataSrc = img.dataset.src || '';
|
| 35 |
+
const srcset = img.srcset || '';
|
| 36 |
+
// Check src
|
| 37 |
+
if (src && !src.startsWith('data:') && validExtensions.some(ext => src.toLowerCase().endsWith(ext))) {
|
| 38 |
+
imgUrls.add(src);
|
| 39 |
+
}
|
| 40 |
+
// Check data-src
|
| 41 |
+
if (dataSrc && !dataSrc.startsWith('data:') && validExtensions.some(ext => dataSrc.toLowerCase().endsWith(ext))) {
|
| 42 |
+
imgUrls.add(dataSrc);
|
| 43 |
+
}
|
| 44 |
+
// Check srcset
|
| 45 |
+
if (srcset) {
|
| 46 |
+
srcset.split(',').forEach(src => {
|
| 47 |
+
const url = src.trim().split(' ')[0];
|
| 48 |
+
if (url && !url.startsWith('data:') && validExtensions.some(ext => url.toLowerCase().endsWith(ext))) {
|
| 49 |
+
imgUrls.add(url);
|
| 50 |
+
}
|
| 51 |
+
});
|
| 52 |
+
}
|
| 53 |
+
});
|
| 54 |
+
return Array.from(imgUrls);
|
| 55 |
+
}"""
|
| 56 |
+
)
|
| 57 |
+
images = [urljoin(url, img) for img in images if img]
|
| 58 |
+
|
| 59 |
+
# Extract links
|
| 60 |
+
links = await page.evaluate("Array.from(document.querySelectorAll('a')).map(a => a.href)")
|
| 61 |
+
links = set(urljoin(url, link) for link in links
|
| 62 |
+
if urlparse(urljoin(url, link)).netloc == base_domain
|
| 63 |
+
and urljoin(url, link) not in visited)
|
| 64 |
+
|
| 65 |
+
await browser.close()
|
| 66 |
+
|
| 67 |
+
page_data = {"url": url, "text": text_content, "images": images}
|
| 68 |
+
logging.info(f"Scraped data: url={url}, text_length={len(text_content)}, images={images}")
|
| 69 |
+
return page_data, links
|
| 70 |
+
|
| 71 |
+
except Exception as e:
|
| 72 |
+
logging.error(f"Error scraping {url}: {e}")
|
| 73 |
+
return {}, set()
|
summarizer.py
ADDED
|
@@ -0,0 +1,205 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
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|
|
|
|
|
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|
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|
|
|
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|
| 1 |
+
import os
|
| 2 |
+
import re
|
| 3 |
+
from typing import Dict, Optional
|
| 4 |
+
import google.generativeai as genai
|
| 5 |
+
import logging
|
| 6 |
+
from dotenv import load_dotenv
|
| 7 |
+
from urllib.parse import urlparse
|
| 8 |
+
from cachetools import TTLCache
|
| 9 |
+
|
| 10 |
+
# Load environment variables
|
| 11 |
+
load_dotenv()
|
| 12 |
+
|
| 13 |
+
# Set up logging
|
| 14 |
+
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
|
| 15 |
+
|
| 16 |
+
# In-memory cache: 1000 items, 1-hour TTL
|
| 17 |
+
cache = TTLCache(maxsize=1000, ttl=3600)
|
| 18 |
+
|
| 19 |
+
async def summarize_text(text: str, url: str = "") -> Dict[str, str]:
|
| 20 |
+
"""Summarize text into a title and description using Gemini-1.5 Flash."""
|
| 21 |
+
try:
|
| 22 |
+
# Validate inputs
|
| 23 |
+
text = text.strip() if text else ""
|
| 24 |
+
if not url:
|
| 25 |
+
url = "https://example.com"
|
| 26 |
+
try:
|
| 27 |
+
parsed_url = urlparse(url)
|
| 28 |
+
domain = parsed_url.netloc or "example.com"
|
| 29 |
+
except Exception:
|
| 30 |
+
logging.warning(f"Invalid URL: {url}. Using default domain.")
|
| 31 |
+
domain = "example.com"
|
| 32 |
+
|
| 33 |
+
# Check cache
|
| 34 |
+
cache_key = f"summarize_{hash(text + url)}"
|
| 35 |
+
if cache_key in cache:
|
| 36 |
+
logging.info(f"Cache hit for {cache_key}")
|
| 37 |
+
return cache[cache_key]
|
| 38 |
+
|
| 39 |
+
# Get Gemini API key
|
| 40 |
+
api_key = os.getenv("GEMINI_API_KEY")
|
| 41 |
+
if not api_key:
|
| 42 |
+
logging.error("Gemini API key not found. Please set GEMINI_API_KEY in .env file.")
|
| 43 |
+
raise ValueError("Gemini API key is required for summarization.")
|
| 44 |
+
|
| 45 |
+
# Configure Gemini client
|
| 46 |
+
genai.configure(api_key=api_key)
|
| 47 |
+
model = genai.GenerativeModel('gemini-1.5-flash')
|
| 48 |
+
|
| 49 |
+
# Handle short or empty text
|
| 50 |
+
if len(text) < 20:
|
| 51 |
+
logging.warning(f"Text too short ({len(text)} chars): '{text}'. Using URL context.")
|
| 52 |
+
text = f"Content from {url} about news, products, or services."
|
| 53 |
+
|
| 54 |
+
# Split text into chunks to avoid quota issues (e.g., 1000 chars per chunk)
|
| 55 |
+
chunk_size = 1000
|
| 56 |
+
text_chunks = [text[i:i + chunk_size] for i in range(0, len(text), chunk_size)]
|
| 57 |
+
summaries = []
|
| 58 |
+
|
| 59 |
+
for chunk in text_chunks[:2]: # Limit to first 2000 chars for efficiency
|
| 60 |
+
prompt = (
|
| 61 |
+
f"Summarize the following text into a title (30-50 characters) and a description (80-100 characters) "
|
| 62 |
+
f"for RCS messaging. Ensure titles are catchy and descriptions are engaging, relevant to the content, "
|
| 63 |
+
f"and suitable for a news, product, or service context inferred from the URL ({url}). "
|
| 64 |
+
f"Output as JSON:\n{{\"title\": \"[title]\", \"description\": \"[description]\"}}\n\nText: {chunk}"
|
| 65 |
+
)
|
| 66 |
+
|
| 67 |
+
response = await model.generate_content_async(prompt)
|
| 68 |
+
raw_content = response.text.strip()
|
| 69 |
+
logging.info(f"Raw Gemini response: {raw_content}")
|
| 70 |
+
|
| 71 |
+
# Parse response with regex
|
| 72 |
+
try:
|
| 73 |
+
match = re.search(r'\{[\s\S]*"title":\s*"([^"]+)"[\s\S]*"description":\s*"([^"]+)"[\s\S]*\}', raw_content)
|
| 74 |
+
if match:
|
| 75 |
+
title = match.group(1)
|
| 76 |
+
description = match.group(2)
|
| 77 |
+
summaries.append({"title": title, "description": description})
|
| 78 |
+
else:
|
| 79 |
+
raise ValueError("Invalid JSON format in Gemini response")
|
| 80 |
+
except Exception as e:
|
| 81 |
+
logging.warning(f"Failed to parse Gemini response: {e}. Skipping chunk.")
|
| 82 |
+
continue
|
| 83 |
+
|
| 84 |
+
# Combine summaries (prioritize first valid summary)
|
| 85 |
+
if summaries:
|
| 86 |
+
result = summaries[0]
|
| 87 |
+
else:
|
| 88 |
+
logging.warning("No valid summaries generated. Using fallback.")
|
| 89 |
+
result = {
|
| 90 |
+
"title": "News Summary",
|
| 91 |
+
"description": f"Discover news and insights from {domain}."[:100]
|
| 92 |
+
}
|
| 93 |
+
|
| 94 |
+
# Ensure non-empty outputs
|
| 95 |
+
if not result["title"].strip():
|
| 96 |
+
result["title"] = "News Summary"
|
| 97 |
+
if not result["description"].strip():
|
| 98 |
+
result["description"] = f"Discover news and insights from {domain}."[:100]
|
| 99 |
+
|
| 100 |
+
cache[cache_key] = result
|
| 101 |
+
logging.info(f"Summary - Title: {result['title']}, Description: {result['description']}")
|
| 102 |
+
return result
|
| 103 |
+
|
| 104 |
+
except Exception as e:
|
| 105 |
+
logging.error(f"Error summarizing text: {e}")
|
| 106 |
+
domain = urlparse(url).netloc or "example.com"
|
| 107 |
+
result = {
|
| 108 |
+
"title": "News Summary",
|
| 109 |
+
"description": f"Discover news and insights from {domain}."[:100]
|
| 110 |
+
}
|
| 111 |
+
cache[cache_key] = result
|
| 112 |
+
return result
|
| 113 |
+
|
| 114 |
+
async def quick_summarize(text: str, url: str = "") -> Dict[str, str]:
|
| 115 |
+
"""Quickly summarize text with a lightweight prompt using Gemini-1.5 Flash."""
|
| 116 |
+
try:
|
| 117 |
+
# Validate inputs
|
| 118 |
+
text = text.strip() if text else ""
|
| 119 |
+
if not url:
|
| 120 |
+
url = "https://example.com"
|
| 121 |
+
try:
|
| 122 |
+
parsed_url = urlparse(url)
|
| 123 |
+
domain = parsed_url.netloc or "example.com"
|
| 124 |
+
except Exception:
|
| 125 |
+
logging.warning(f"Invalid URL: {url}. Using default domain.")
|
| 126 |
+
domain = "example.com"
|
| 127 |
+
|
| 128 |
+
# Check cache
|
| 129 |
+
cache_key = f"quick_summarize_{hash(text + url)}"
|
| 130 |
+
if cache_key in cache:
|
| 131 |
+
logging.info(f"Cache hit for {cache_key}")
|
| 132 |
+
return cache[cache_key]
|
| 133 |
+
|
| 134 |
+
# Get Gemini API key
|
| 135 |
+
api_key = os.getenv("GEMINI_API_KEY")
|
| 136 |
+
if not api_key:
|
| 137 |
+
logging.error("Gemini API key not found. Please set GEMINI_API_KEY in .env file.")
|
| 138 |
+
raise ValueError("Gemini API key is required for summarization.")
|
| 139 |
+
|
| 140 |
+
# Configure Gemini client
|
| 141 |
+
genai.configure(api_key=api_key)
|
| 142 |
+
model = genai.GenerativeModel('gemini-1.5-flash')
|
| 143 |
+
|
| 144 |
+
# Handle short or empty text
|
| 145 |
+
if len(text) < 20:
|
| 146 |
+
logging.warning(f"Text too short ({len(text)} chars): '{text}'. Using URL context.")
|
| 147 |
+
text = f"Content from {url} about news, products, or services."
|
| 148 |
+
|
| 149 |
+
# Lightweight prompt with chunking
|
| 150 |
+
chunk_size = 1000
|
| 151 |
+
text_chunks = [text[i:i + chunk_size] for i in range(0, len(text), chunk_size)]
|
| 152 |
+
summaries = []
|
| 153 |
+
|
| 154 |
+
for chunk in text_chunks[:1]: # Limit to first 1000 chars for quick summary
|
| 155 |
+
prompt = (
|
| 156 |
+
f"Create a title (30-50 chars) and description (80-100 chars) for RCS messaging from this text. "
|
| 157 |
+
f"Keep it engaging and relevant to {url}. Output as JSON:\n{{\"title\": \"[title]\", \"description\": \"[description]\"}}\n\nText: {chunk}"
|
| 158 |
+
)
|
| 159 |
+
|
| 160 |
+
response = await model.generate_content_async(prompt)
|
| 161 |
+
raw_content = response.text.strip()
|
| 162 |
+
logging.info(f"Raw Gemini response (quick): {raw_content}")
|
| 163 |
+
|
| 164 |
+
# Parse response with regex
|
| 165 |
+
try:
|
| 166 |
+
match = re.search(r'\{[\s\S]*"title":\s*"([^"]+)"[\s\S]*"description":\s*"([^"]+)"[\s\S]*\}', raw_content)
|
| 167 |
+
if match:
|
| 168 |
+
title = match.group(1)[:50]
|
| 169 |
+
description = match.group(2)[:100]
|
| 170 |
+
summaries.append({"title": title, "description": description})
|
| 171 |
+
else:
|
| 172 |
+
raise ValueError("Invalid JSON format in Gemini response")
|
| 173 |
+
except Exception as e:
|
| 174 |
+
logging.warning(f"Failed to parse Gemini response: {e}. Skipping chunk.")
|
| 175 |
+
continue
|
| 176 |
+
|
| 177 |
+
# Use first valid summary or fallback
|
| 178 |
+
if summaries:
|
| 179 |
+
result = summaries[0]
|
| 180 |
+
else:
|
| 181 |
+
logging.warning("No valid summaries generated. Using fallback.")
|
| 182 |
+
result = {
|
| 183 |
+
"title": "Quick Summary",
|
| 184 |
+
"description": f"Check out content from {domain}."[:100]
|
| 185 |
+
}
|
| 186 |
+
|
| 187 |
+
# Ensure non-empty outputs
|
| 188 |
+
if not result["title"].strip():
|
| 189 |
+
result["title"] = "Quick Summary"
|
| 190 |
+
if not result["description"].strip():
|
| 191 |
+
result["description"] = f"Check out content from {domain}."[:100]
|
| 192 |
+
|
| 193 |
+
cache[cache_key] = result
|
| 194 |
+
logging.info(f"Quick summary - Title: {result['title']}, Description: {result['description']}")
|
| 195 |
+
return result
|
| 196 |
+
|
| 197 |
+
except Exception as e:
|
| 198 |
+
logging.error(f"Error in quick summarize: {e}")
|
| 199 |
+
domain = urlparse(url).netloc or "example.com"
|
| 200 |
+
result = {
|
| 201 |
+
"title": "Quick Summary",
|
| 202 |
+
"description": f"Check out content from {domain}."[:100]
|
| 203 |
+
}
|
| 204 |
+
cache[cache_key] = result
|
| 205 |
+
return result
|