import os
from flask import Flask

test_config = None

app = Flask(__name__, instance_relative_config=True)

# create and configure the app
app.config.from_mapping(
    SECRET_KEY='dev',
    DATABASE=os.path.join(app.instance_path, 'flaskr.sqlite'),
)

if test_config is None:
    # load the instance config, if it exists, when not testing
    app.config.from_pyfile('config.py', silent=True)
else:
    # load the test config if passed in
    app.config.from_mapping(test_config)

# ensure the instance folder exists
try:
    os.makedirs(app.instance_path)
except OSError:
    pass

from . import core
app.register_blueprint(core.bp) 

@app.errorhandler(400)
def custom400(error):
    response = jsonify({'message': error.description['message']})


