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import os
import logging
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_session import Session
from sqlalchemy.orm import DeclarativeBase
from werkzeug.middleware.proxy_fix import ProxyFix
# Configure logging
logging.basicConfig(level=logging.DEBUG)
class Base(DeclarativeBase):
pass
# Initialize database
db = SQLAlchemy(model_class=Base)
# Create Flask app
app = Flask(__name__)
app.secret_key = os.environ.get("SESSION_SECRET", "dev-secret-key")
app.wsgi_app = ProxyFix(app.wsgi_app, x_proto=1, x_host=1)
# Session configuration
app.config['SESSION_COOKIE_SECURE'] = False # Allow non-HTTPS for Hugging Face
app.config['SESSION_COOKIE_HTTPONLY'] = True
app.config['SESSION_COOKIE_SAMESITE'] = None # Allow cross-site cookies
app.config['PERMANENT_SESSION_LIFETIME'] = 86400 # 24 hours
app.config['SESSION_TYPE'] = 'filesystem' # Use filesystem to store sessions
# Configure database
db_url = os.environ.get("DATABASE_URL")
if db_url and db_url.startswith("postgres://"):
db_url = db_url.replace("postgres://", "postgresql://", 1)
app.config["SQLALCHEMY_DATABASE_URI"] = db_url or "sqlite:///whatsapp_clone.db"
app.config["SQLALCHEMY_ENGINE_OPTIONS"] = {
"pool_recycle": 300,
"pool_pre_ping": True,
}
# File upload configuration
app.config['MAX_CONTENT_LENGTH'] = 100 * 1024 * 1024 # 100MB max file size
app.config['UPLOAD_FOLDER'] = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'uploads')
app.config['ALLOWED_EXTENSIONS'] = {
'txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif', 'webp', 'bmp', 'tiff', 'psd', 'ai', 'eps',
'mp3', 'wav', 'ogg', 'm4a', 'aac', 'flac', 'wma',
'mp4', 'avi', 'mov', 'mkv', 'wmv', 'flv', '3gp', 'webm',
'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'odt', 'ods', 'odp',
'zip', 'rar', '7z', 'tar', 'gz', 'bz2',
'apk', 'exe', 'dmg', 'deb', 'rpm', 'msi',
'html', 'css', 'js', 'json', 'xml', 'csv',
'rtf', 'tex', 'md', 'log'
}
# Initialize database with app
db.init_app(app)
# Initialize Flask-Session
Session(app)
# Ensure upload directory exists
os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)
# Create tables
with app.app_context():
import models # noqa: F401
db.create_all()
logging.info("Database tables created")
# Import routes
import routes # noqa: F401 |