batman

app/__init__.py

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+# App package initialization 
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_login import LoginManager
+from flask_migrate import Migrate
+from flask_wtf.csrf import CSRFProtect
+import os
+from datetime import timedelta
+
+# Initialize SQLAlchemy outside of create_app
+db = SQLAlchemy()
+login_manager = LoginManager()
+csrf = CSRFProtect()
+migrate = Migrate()
+
+# App configuration
+class Config:
+    SECRET_KEY = os.environ.get('SECRET_KEY') or os.urandom(24)
+    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or 'sqlite:///docs.db'
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
+    PERMANENT_SESSION_LIFETIME = timedelta(hours=12)
+    SESSION_TYPE = 'filesystem'
+
+def create_app(config_class=Config):
+    app = Flask(__name__)
+    app.config.from_object(config_class)
+    
+    # Initialize extensions
+    db.init_app(app)
+    login_manager.init_app(app)
+    csrf.init_app(app)
+    migrate.init_app(app, db)
+    
+    # Configure login manager
+    login_manager.login_view = 'auth.login'
+    login_manager.login_message = 'Please log in to access this page.'
+    login_manager.login_message_category = 'info'
+    
+    # Configure session
+    app.config['SESSION_PERMANENT'] = True
+    
+    # Register blueprints
+    from app.routes import main as main_bp
+    app.register_blueprint(main_bp)
+    
+    from app.auth import bp as auth_bp
+    app.register_blueprint(auth_bp, url_prefix='/auth')
+    
+    return app
+
+# Create app instance
+app = create_app()
+
+# Import models after db initialization to avoid circular imports
+from app.models.document import Document, Category, Tag
+from app.models.user import User