kv-tube/app/__init__.py

162 lines
4.7 KiB
Python

"""
KV-Tube App Package
Flask application factory pattern
"""
from flask import Flask
import os
import sqlite3
import logging
# Setup logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
# Database configuration
DATA_DIR = os.environ.get("KVTUBE_DATA_DIR", "data")
DB_NAME = os.path.join(DATA_DIR, "kvtube.db")
def init_db():
"""Initialize the database with required tables."""
# Ensure data directory exists
if not os.path.exists(DATA_DIR):
os.makedirs(DATA_DIR)
conn = sqlite3.connect(DB_NAME)
c = conn.cursor()
# Users Table
c.execute("""CREATE TABLE IF NOT EXISTS users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
username TEXT UNIQUE NOT NULL,
password TEXT NOT NULL
)""")
# User Videos (history/saved)
c.execute("""CREATE TABLE IF NOT EXISTS user_videos (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id INTEGER,
video_id TEXT,
title TEXT,
thumbnail TEXT,
type TEXT,
timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY(user_id) REFERENCES users(id)
)""")
# Video Cache
c.execute("""CREATE TABLE IF NOT EXISTS video_cache (
video_id TEXT PRIMARY KEY,
data TEXT,
expires_at DATETIME
)""")
conn.commit()
conn.close()
logger.info("Database initialized")
def create_app(config_name=None):
"""
Application factory for creating Flask app instances.
Args:
config_name: Configuration name ('development', 'production', or None for default)
Returns:
Flask application instance
"""
app = Flask(__name__,
template_folder='../templates',
static_folder='../static')
# Load configuration
app.secret_key = "super_secret_key_change_this" # Required for sessions
# Fix for OMP: Error #15
os.environ["KMP_DUPLICATE_LIB_OK"] = "TRUE"
# Initialize database
init_db()
# Register Jinja filters
register_filters(app)
# Register Blueprints
register_blueprints(app)
# Start Background Cache Warmer (x5 Speedup)
try:
from app.routes.api import start_background_warmer
start_background_warmer()
except Exception as e:
logger.warning(f"Failed to start background warmer: {e}")
logger.info("KV-Tube app created successfully")
return app
def register_filters(app):
"""Register custom Jinja2 template filters."""
@app.template_filter("format_views")
def format_views(views):
if not views:
return "0"
try:
num = int(views)
if num >= 1000000:
return f"{num / 1000000:.1f}M"
if num >= 1000:
return f"{num / 1000:.0f}K"
return f"{num:,}"
except (ValueError, TypeError) as e:
logger.debug(f"View formatting failed: {e}")
return str(views)
@app.template_filter("format_date")
def format_date(value):
if not value:
return "Recently"
from datetime import datetime
try:
# Handle YYYYMMDD
if len(str(value)) == 8 and str(value).isdigit():
dt = datetime.strptime(str(value), "%Y%m%d")
# Handle Timestamp
elif isinstance(value, (int, float)):
dt = datetime.fromtimestamp(value)
# Handle YYYY-MM-DD
else:
try:
dt = datetime.strptime(str(value), "%Y-%m-%d")
except ValueError:
return str(value)
now = datetime.now()
diff = now - dt
if diff.days > 365:
return f"{diff.days // 365} years ago"
if diff.days > 30:
return f"{diff.days // 30} months ago"
if diff.days > 0:
return f"{diff.days} days ago"
if diff.seconds > 3600:
return f"{diff.seconds // 3600} hours ago"
return "Just now"
except Exception as e:
logger.debug(f"Date formatting failed: {e}")
return str(value)
def register_blueprints(app):
"""Register all application blueprints."""
from app.routes import pages_bp, api_bp, streaming_bp
app.register_blueprint(pages_bp)
app.register_blueprint(api_bp)
app.register_blueprint(streaming_bp)
logger.info("Blueprints registered: pages, api, streaming")