wehub-resource-sync
453 lines
15 KiB
Python
453 lines
15 KiB
Python
import streamlit as st
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import os
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import tempfile
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import time
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import logging
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from pathlib import Path
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from dotenv import load_dotenv
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load_dotenv()
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from src.podcast.script_generator import PodcastScriptGenerator
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from src.podcast.text_to_speech import PodcastTTSGenerator
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from src.web_scraping.web_scraper import WebScraper
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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st.set_page_config(
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page_title="Podsite - AI Podcast Generator",
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page_icon="🎙️",
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layout="wide",
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initial_sidebar_state="expanded"
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)
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st.markdown("""
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<style>
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.main-header {
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font-size: 24px;
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font-weight: 600;
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color: #ffffff;
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margin-bottom: 20px;
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}
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.source-item {
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background: #2d3748;
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border-radius: 8px;
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padding: 12px;
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margin: 8px 0;
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border-left: 3px solid #4299e1;
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}
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.source-title {
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font-weight: 600;
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color: #ffffff;
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margin-bottom: 4px;
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}
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.source-meta {
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font-size: 12px;
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color: #a0aec0;
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}
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.script-segment {
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background: #1a202c;
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border-radius: 8px;
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padding: 16px;
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margin: 12px 0;
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}
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.speaker-1 {
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border-left: 3px solid #ec4899;
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}
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.speaker-2 {
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border-left: 3px solid #10b981;
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}
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.stButton > button {
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background: #4299e1;
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color: white;
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border-radius: 6px;
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border: none;
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padding: 8px 24px;
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font-weight: 500;
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}
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.source-count {
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background: #4a5568;
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color: #ffffff;
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border-radius: 12px;
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padding: 4px 12px;
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font-size: 12px;
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font-weight: 600;
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}
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</style>
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""", unsafe_allow_html=True)
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def init_session_state():
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if 'sources' not in st.session_state:
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st.session_state.sources = []
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if 'script_generator' not in st.session_state:
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st.session_state.script_generator = None
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if 'tts_generator' not in st.session_state:
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st.session_state.tts_generator = None
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if 'web_scraper' not in st.session_state:
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st.session_state.web_scraper = None
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if 'initialized' not in st.session_state:
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st.session_state.initialized = False
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if 'firecrawl_key' not in st.session_state:
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# st.session_state.firecrawl_key = os.getenv("FIRECRAWL_API_KEY", "")
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st.session_state.firecrawl_key = None
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def initialize_generators():
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if st.session_state.initialized:
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return True
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openai_key = os.getenv("OPENAI_API_KEY")
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if not openai_key:
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st.error("❌ OPENAI_API_KEY not found. Please set it in your .env file.")
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return False
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try:
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st.session_state.script_generator = PodcastScriptGenerator(openai_key)
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# Initialize TTS in background - don't block UI
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if st.session_state.tts_generator is None:
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try:
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st.session_state.tts_generator = PodcastTTSGenerator()
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logger.info("TTS Generator initialized successfully")
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except ImportError:
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logger.warning("Kokoro TTS not available. Podcast audio generation will be disabled.")
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st.session_state.tts_generator = None
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except Exception as e:
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logger.error(f"Error initializing TTS: {e}")
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st.session_state.tts_generator = None
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st.session_state.initialized = True
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return True
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except Exception as e:
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st.error(f"❌ Failed to initialize: {str(e)}")
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logger.error(f"Initialization error: {e}")
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return False
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def initialize_web_scraper(api_key: str):
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"""Initialize or reinitialize web scraper with provided API key"""
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if api_key:
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try:
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st.session_state.web_scraper = WebScraper(api_key)
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st.session_state.firecrawl_key = api_key
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logger.info("Web scraper initialized successfully")
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return True
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except Exception as e:
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logger.error(f"Failed to initialize web scraper: {e}")
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st.error(f"❌ Failed to initialize web scraper: {str(e)}")
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return False
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return False
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def add_url_source(url: str):
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if not st.session_state.web_scraper:
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st.error("Web scraper not available. Please add FIRECRAWL_API_KEY to your .env file.")
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return
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with st.spinner(f"Scraping {url}..."):
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try:
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result = st.session_state.web_scraper.scrape_url(url)
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if result['success'] and result['content']:
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source_info = {
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'name': result['title'],
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'url': url,
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'type': 'Website',
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'content': result['content'],
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'word_count': result['word_count'],
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'added_at': time.strftime("%Y-%m-%d %H:%M")
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}
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st.session_state.sources.append(source_info)
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st.success(f"✅ Added: {result['title']} ({result['word_count']} words)")
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else:
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st.error(f"❌ Failed to scrape URL: {result.get('error', 'No content found')}")
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except Exception as e:
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st.error(f"❌ Error scraping URL: {str(e)}")
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logger.error(f"URL scraping error: {e}")
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def add_text_source(text_content: str, source_name: str):
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if not text_content.strip():
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st.warning("Please enter some text content")
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return
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source_info = {
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'name': source_name,
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'url': None,
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'type': 'Text',
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'content': text_content,
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'word_count': len(text_content.split()),
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'added_at': time.strftime("%Y-%m-%d %H:%M")
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}
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st.session_state.sources.append(source_info)
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st.success(f"✅ Added: {source_name} ({len(text_content.split())} words)")
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def remove_source(index: int):
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if 0 <= index < len(st.session_state.sources):
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removed = st.session_state.sources.pop(index)
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st.success(f"✅ Removed: {removed['name']}")
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st.rerun()
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def render_sources_sidebar():
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with st.sidebar:
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st.markdown('<div class="main-header">⚙️ Settings</div>', unsafe_allow_html=True)
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# Firecrawl API Key input
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st.markdown("#### 🔑 Firecrawl API Key")
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firecrawl_input = st.text_input(
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"Enter Firecrawl API Key",
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value=st.session_state.firecrawl_key,
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type="password",
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help="Required for web scraping. Get your key from https://firecrawl.dev",
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key="firecrawl_input"
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)
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if firecrawl_input != st.session_state.firecrawl_key:
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if st.button("Save API Key", use_container_width=True):
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if initialize_web_scraper(firecrawl_input):
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st.success("✅ API key saved!")
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st.rerun()
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st.markdown("---")
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# Add URL section
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st.markdown("#### 🌐 Add Website")
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url_input = st.text_input(
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"Website URL",
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placeholder="https://example.com/article",
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help="Paste a URL to scrape content",
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key="sidebar_url"
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)
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if st.button("Add Website", key="sidebar_add_url", use_container_width=True):
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if url_input.strip():
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add_url_source(url_input.strip())
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st.rerun()
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else:
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st.warning("Please enter a URL")
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st.markdown("---")
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# Sources list
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st.markdown('<div class="main-header">📚 Sources</div>', unsafe_allow_html=True)
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if st.session_state.sources:
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st.markdown(f'<div class="source-count">{len(st.session_state.sources)} sources</div>', unsafe_allow_html=True)
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for i, source in enumerate(st.session_state.sources):
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with st.container():
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col1, col2 = st.columns([4, 1])
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with col1:
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st.markdown(f'''
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<div class="source-item">
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<div class="source-title">{source['name']}</div>
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<div class="source-meta">{source['type']} • {source['word_count']} words</div>
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<div class="source-meta">{source['added_at']}</div>
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</div>
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''', unsafe_allow_html=True)
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with col2:
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if st.button("🗑️", key=f"del_{i}", help="Remove source"):
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remove_source(i)
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else:
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st.markdown("""
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<div style="text-align: center; padding: 20px; color: #a0aec0;">
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<p>No sources added yet</p>
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<p style="font-size: 14px;">Add websites or text to generate podcasts</p>
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</div>
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""", unsafe_allow_html=True)
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def generate_podcast(selected_source_name: str, podcast_style: str, podcast_length: str):
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if not st.session_state.script_generator:
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st.error("Script generator not available")
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return
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source_info = None
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for source in st.session_state.sources:
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if source['name'] == selected_source_name:
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source_info = source
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break
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if not source_info:
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st.error("Source not found")
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return
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try:
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with st.spinner("✍️ Generating podcast script..."):
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podcast_script = st.session_state.script_generator.generate_script_from_text(
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text_content=source_info['content'],
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source_name=source_info['name'],
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podcast_style=podcast_style.lower(),
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target_duration=podcast_length
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)
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st.success(f"✅ Generated podcast script with {podcast_script.total_lines} dialogue segments!")
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if st.session_state.tts_generator:
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with st.spinner("🎵 Generating podcast audio... This may take several minutes..."):
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try:
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temp_dir = tempfile.mkdtemp(prefix="podcast_")
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audio_files = st.session_state.tts_generator.generate_podcast_audio(
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podcast_script=podcast_script,
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output_dir=temp_dir,
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combine_audio=True
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)
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st.success(f"✅ Generated {len(audio_files)} audio files!")
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st.markdown("### 🎙️ Generated Podcast")
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for audio_file in audio_files:
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file_name = Path(audio_file).name
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if "complete_podcast" in file_name:
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st.audio(audio_file, format="audio/wav")
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with open(audio_file, "rb") as f:
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st.download_button(
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label="📥 Download Complete Podcast",
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data=f.read(),
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file_name=f"complete_podcast_{int(time.time())}.wav",
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mime="audio/wav"
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)
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except Exception as e:
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st.error(f"❌ Audio generation failed: {str(e)}")
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logger.error(f"Audio generation error: {e}")
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else:
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st.warning("⚠️ Audio generation not available - TTS not initialized.")
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st.markdown("### 📝 Generated Podcast Script")
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col1, col2, col3 = st.columns(3)
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with col1:
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st.metric("📊 Total Lines", podcast_script.total_lines)
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with col2:
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st.metric("⏱️ Est. Duration", podcast_script.estimated_duration)
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with col3:
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st.metric("📚 Source Type", source_info['type'])
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with st.expander("👀 View Complete Script", expanded=True):
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for i, line_dict in enumerate(podcast_script.script, 1):
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speaker, dialogue = next(iter(line_dict.items()))
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if speaker == "Speaker 1":
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st.markdown(f'<div class="script-segment speaker-1"><strong>👩 {speaker}:</strong> {dialogue}</div>', unsafe_allow_html=True)
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else:
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st.markdown(f'<div class="script-segment speaker-2"><strong>👨 {speaker}:</strong> {dialogue}</div>', unsafe_allow_html=True)
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script_json = podcast_script.to_json()
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st.download_button(
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label="📥 Download Script (JSON)",
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data=script_json,
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file_name=f"podcast_script_{int(time.time())}.json",
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mime="application/json"
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)
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except Exception as e:
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st.error(f"❌ Podcast generation failed: {str(e)}")
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logger.error(f"Podcast generation error: {e}")
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def render_add_sources_tab():
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st.markdown("### 📁 Add Text Source")
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st.markdown("""
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Paste text content to create podcasts. Use the sidebar to add website URLs.
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""")
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source_name = st.text_input(
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"Source Name",
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placeholder="e.g., Article Title, Research Notes",
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help="Give your text content a name"
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)
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text_content = st.text_area(
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"Text Content",
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placeholder="Paste your text here...",
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height=400,
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help="Enter the text content you want to convert into a podcast"
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)
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if st.button("Add Text Source", use_container_width=True) and text_content.strip():
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name = source_name.strip() if source_name.strip() else f"Text ({time.strftime('%H:%M')})"
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add_text_source(text_content, name)
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st.rerun()
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def render_studio_tab():
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st.markdown('<div class="main-header">🎙️ Studio</div>', unsafe_allow_html=True)
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if not st.session_state.sources:
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st.markdown("""
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<div style="text-align: center; padding: 40px; color: #a0aec0;">
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<p>No sources available</p>
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<p>Add sources in the "Add Sources" tab to generate podcasts!</p>
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</div>
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""", unsafe_allow_html=True)
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else:
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st.markdown("#### 🎙️ Generate Podcast")
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st.markdown("Create an AI-generated podcast discussion from your content")
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source_names = [source['name'] for source in st.session_state.sources]
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selected_source = st.selectbox(
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"Select Source",
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source_names,
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help="Choose content to create a podcast from"
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)
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col1, col2 = st.columns(2)
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with col1:
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podcast_style = st.selectbox(
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"Podcast Style",
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["Conversational", "Interview", "Debate", "Educational"]
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)
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with col2:
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podcast_length = st.selectbox(
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"Duration",
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["5 minutes", "10 minutes", "15 minutes", "20 minutes"],
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index=1
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)
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if st.button("🎙️ Generate Podcast", use_container_width=True):
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if selected_source:
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generate_podcast(selected_source, podcast_style, podcast_length)
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else:
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st.warning("Please select a source")
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def main():
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init_session_state()
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st.markdown("""
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<div style="text-align: center;">
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<h1 style="color: #ffffff; margin: 0;">🎙️ Podsite</h1>
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<p style="color: #a0aec0; font-size: 18px;">Transform Web Content into Engaging Podcasts</p>
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</div>
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""", unsafe_allow_html=True)
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initialize_generators()
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render_sources_sidebar()
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tab1, tab2 = st.tabs(["📋 Add Text", "🎙️ Studio"])
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with tab1:
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render_add_sources_tab()
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with tab2:
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render_studio_tab()
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st.markdown("---")
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st.markdown("""
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<div style="text-align: center; color: #a0aec0; font-size: 12px;">
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Podsite - AI-Powered Podcast Generation | Built with Streamlit & OpenAI
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</div>
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""", unsafe_allow_html=True)
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if __name__ == "__main__":
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main()
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