ti-account-app/accounts/__init__.py

import ldap as l
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager, login_manager
from flask_bootstrap import Bootstrap
from flask_simpleldap import LDAP

import os


app = Flask(__name__)
Bootstrap(app)
app.secret_key = 'asdf'
app.debug = True

app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///../users.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.config['WTF_CSRF_SECRET_KEY'] = 'asdf'

# Base
app.config['LDAP_REALM_NAME'] = 'OpenLDAP Authentication'
app.config['LDAP_HOST'] = os.environ.get('LDAP_HOST')
app.config['LDAP_BASE_DN'] = os.environ.get('LDAP_BASE_DN')
app.config['LDAP_USERNAME'] = os.environ.get('LDAP_USERNAME')
app.config['LDAP_PASSWORD'] = os.environ.get('LDAP_PASSWORD')

# OpenLDAP 
app.config['LDAP_OBJECTS_DN'] = 'dn'
app.config['LDAP_OPENLDAP'] = True
app.config['LDAP_USER_OBJECT_FILTER'] = '(&(objectclass=posixAccount)(uid=%s))'

# Login cookies
app.config['REMEMBER_COOKIE_DOMAIN'] = os.environ.get('COOKIE_DOMAIN')

db = SQLAlchemy(app)

ldap = LDAP(app)

login_manager = LoginManager(app)
login_manager.init_app(app)
login_manager.login_view = 'auth.login'

from accounts.auth.views import auth
app.register_blueprint(auth)

db.create_all()