open-law/app/__init__.py

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import os
from flask import Flask, render_template
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager
from werkzeug.exceptions import HTTPException
from flask_migrate import Migrate
from app.logger import log
# instantiate extensions
login_manager = LoginManager()
db = SQLAlchemy()
migration = Migrate()
def create_app(environment="development"):
from config import config
from app.views import (
main_blueprint,
auth_blueprint,
user_blueprint,
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book_blueprint,
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home_blueprint,
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)
from app.models import (
User,
AnonymousUser,
)
# Instantiate app.
app = Flask(__name__)
# Set app config.
env = os.environ.get("APP_ENV", environment)
configuration = config(env)
app.config.from_object(configuration)
configuration.configure(app)
log(log.INFO, "Configuration: [%s]", configuration.ENV)
# Set up extensions.
db.init_app(app)
migration.init_app(app, db)
login_manager.init_app(app)
# Register blueprints.
app.register_blueprint(auth_blueprint)
app.register_blueprint(main_blueprint)
app.register_blueprint(user_blueprint)
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app.register_blueprint(book_blueprint)
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app.register_blueprint(home_blueprint)
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# Set up flask login.
@login_manager.user_loader
def get_user(id):
return User.query.get(int(id))
login_manager.login_view = "auth.login"
login_manager.login_message_category = "info"
login_manager.anonymous_user = AnonymousUser
# Error handlers.
@app.errorhandler(HTTPException)
def handle_http_error(exc):
return render_template("error.html", error=exc), exc.code
return app