Web service voor het LED-display
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# -*- coding: utf-8 -*-
"""The app module, containing the app factory function."""
import logging
import sys
from flask import Flask, render_template
from {{cookiecutter.app_name}} import commands, public, user
from {{cookiecutter.app_name}}.extensions import (
bcrypt,
cache,
csrf_protect,
db,
debug_toolbar,
login_manager,
migrate,
webpack,
)
def create_app(config_object="{{cookiecutter.app_name}}.settings"):
"""Create application factory, as explained here: http://flask.pocoo.org/docs/patterns/appfactories/.
:param config_object: The configuration object to use.
"""
app = Flask(__name__.split(".")[0])
app.config.from_object(config_object)
register_extensions(app)
register_blueprints(app)
register_errorhandlers(app)
register_shellcontext(app)
register_commands(app)
configure_logger(app)
return app
def register_extensions(app):
"""Register Flask extensions."""
bcrypt.init_app(app)
cache.init_app(app)
db.init_app(app)
csrf_protect.init_app(app)
login_manager.init_app(app)
debug_toolbar.init_app(app)
migrate.init_app(app, db)
webpack.init_app(app)
return None
def register_blueprints(app):
"""Register Flask blueprints."""
app.register_blueprint(public.views.blueprint)
app.register_blueprint(user.views.blueprint)
return None
def register_errorhandlers(app):
"""Register error handlers."""
def render_error(error):
"""Render error template."""
# If a HTTPException, pull the `code` attribute; default to 500
error_code = getattr(error, "code", 500)
return render_template("{0}.html".format(error_code)), error_code
for errcode in [401, 404, 500]:
app.errorhandler(errcode)(render_error)
return None
def register_shellcontext(app):
"""Register shell context objects."""
def shell_context():
"""Shell context objects."""
return {"db": db, "User": user.models.User}
app.shell_context_processor(shell_context)
def register_commands(app):
"""Register Click commands."""
app.cli.add_command(commands.test)
app.cli.add_command(commands.lint)
def configure_logger(app):
"""Configure loggers."""
handler = logging.StreamHandler(sys.stdout)
if not app.logger.handlers:
app.logger.addHandler(handler)