nthinspectiontool/app/__init__.py

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2.6 KiB
Python

"""
Application factory and initialization module.
"""
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager
from datetime import datetime
from flask_wtf import CSRFProtect
from flask_migrate import Migrate
import os
from config import Config
# Initialize extensions
db = SQLAlchemy()
login_manager = LoginManager()
csrf = CSRFProtect()
migrate = Migrate()
def create_app(config_class=Config):
"""Application factory function."""
app = Flask(__name__)
app.config.from_object(config_class)
# Initialize extensions with app
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_category = 'info'
@login_manager.user_loader
def load_user(user_id):
from app.models import User
return User.query.get(int(user_id))
# Register blueprints
from app.routes.auth import auth as auth_blueprint
app.register_blueprint(auth_blueprint, url_prefix='/auth')
from app.routes.admin import admin as admin_blueprint
app.register_blueprint(admin_blueprint, url_prefix='/admin')
from app.routes.inspections import inspections as inspections_blueprint
app.register_blueprint(inspections_blueprint)
from app.routes.export import export as export_blueprint
app.register_blueprint(export_blueprint)
# Initialize configuration
Config.init_app(app)
# Shell context for flask cli
@app.shell_context_processor
def make_shell_context():
from app.models import User, Inspection, ConclusionStatus, ActionRequired
return {'db': db, 'User': User, 'Inspection': Inspection,
'ConclusionStatus': ConclusionStatus, 'ActionRequired': ActionRequired}
@app.context_processor
def inject_now():
from app.models import ConclusionStatus, ActionRequired
return {"now": lambda: datetime.now(),
"ConclusionStatus": ConclusionStatus,
"ActionRequired": ActionRequired}
return app
# Import models to ensure they are registered with SQLAlchemy before app creation
# This is done inside create_app to avoid circular imports, but we need to import here for migrations
# Actually, we'll import models in the routes or where needed to avoid circular imports.
# We'll import User and Inspection here for shell context, but we need to avoid circular imports.
# Let's import them inside the shell_context_processor function as shown above.