blueprint and fabric

app/__init__.py

@@ -1,21 +1,29 @@
 from flask import Flask
 from flask_migrate import Migrate, MigrateCommand
 from flask_sqlalchemy import SQLAlchemy
-from flask_script import Manager, Command, Shell
 from flask_login import LoginManager
 import os, config
 
-# создание экземпляра приложения
-app = Flask(__name__)
-app.config.from_object(os.environ.get('FLASK_ENV') or 'config.DevelopementConfig')
+db = SQLAlchemy()
+migrate = Migrate()
+login_manager = LoginManager()
+login_manager.login_view = 'main.login'
 
-# инициализирует расширения
-db = SQLAlchemy(app)
-migrate = Migrate(app, db)
-login_manager = LoginManager(app)
-login_manager.login_view = 'login'
 
-# import views
-from . import views
-# from . import forum_views
-# from . import admin_views
+# Фабрика приложения
+def create_app(cfg) -> Flask:
+    # создание экземпляра приложения
+    app = Flask(__name__)
+    app.config.from_object(cfg)
+
+    db.init_app(app)
+    migrate.init_app(app, db)
+    login_manager.init_app(app)
+
+    from .main import main as main_blueprint
+    app.register_blueprint(main_blueprint)
+
+    # from .admin import main as admin_blueprint
+    # app.register_blueprint(admin_blueprint)
+
+    return app

app/main/__init__.py

@@ -0,0 +1,5 @@
+from flask import Blueprint
+
+main = Blueprint('main', __name__)
+
+from . import views

app/main/views.py

@@ -1,46 +1,58 @@
-from app import app
-from flask import render_template, request, redirect, url_for, flash
-from flask_login import login_required, login_user,current_user, logout_user
-from .models import User, Post, Category, Feedback, db
+from . import main
+from flask import Flask, request, render_template, redirect, url_for, flash, make_response, session
+from flask_login import login_required, login_user, current_user, logout_user
+from app.models import User, Post, Category, Feedback, db
 from .forms import ContactForm, LoginForm
+from werkzeug.exceptions import abort
 
 
-@app.route('/admin/')
+@main.route('/admin/')
 @login_required
 def admin():
     return render_template('admin.html')
 
 
-@app.route('/')
+@main.route('/')
 def index():
-    return render_template('index.html')
+    name = None
+    if current_user.is_authenticated:
+        name = current_user.name
+    return render_template('index.html', name=name)
 
 
-@app.route('/login/', methods=['post', 'get'])
+@main.route('/login/', methods=['post', 'get'])
 def login():
     if current_user.is_authenticated:
-        return redirect(url_for('admin'))
+        return redirect(url_for('.admin'))
     form = LoginForm()
     if form.validate_on_submit():
         user = db.session.query(User).filter(User.username == form.username.data).first()
         if user and user.check_password(form.password.data):
             login_user(user, remember=form.remember.data)
-            nextpage = request.args.get('next', url_for('admin'))
+            nextpage = request.args.get('next', url_for('.admin'))
             return redirect(nextpage)
         else:
             flash("Invalid username/password", 'error')
     return render_template('login.html', form=form)
 
 
-@app.route('/logout/')
+@main.route('/user/<int:user_id>/')
+def user_profile(user_id):
+    user = db.session.query(User).filter(User.id == user_id).first()
+    if not user:
+        abort(404)
+    return "Profile for user: {}".format(user.name)
+
+
+@main.route('/logout/')
 @login_required
 def logout():
     logout_user()
     flash("You have been logged out.")
-    return redirect(url_for('login'))
+    return redirect(url_for('.login'))
 
 
-@app.route('/contact/', methods=['get', 'post'])
+@main.route('/contact/', methods=['get', 'post'])
 def contact():
     form = ContactForm()
     if form.validate_on_submit():
@@ -57,6 +69,6 @@ def contact():
 
         print("\nData received. Now redirecting ...")
         flash("Message Received", "success")
-        return redirect(url_for('contact'))
+        return redirect(url_for('.contact'))
 
     return render_template('contact.html', form=form)

app/templates/admin.html

@@ -15,7 +15,7 @@
     <li>Updated on: {{ current_user.updated_on }}</li>
 </ul>
 
-<p><a href="{{ url_for('logout') }}">Logout</a></p>
+<p><a href="{{ url_for('.logout') }}">Logout</a></p>
 
 </body>
 </html>

app/templates/index.html

@@ -5,6 +5,7 @@
   <title>Hello</title>
 </head>
 <body>
-  <h2>Hello{% if name %},&nbsp;<p>{{ name }}</p>{% endif %}</h2>
+<h2>Hello{% if name %},&nbsp;<span>{{ name }}</span>{% endif %}</h2></body><br/>
+<p><a href="{{ url_for('.admin') }}">Admin</a></p>
 </body>
 </html>

runner.py

@@ -4,11 +4,12 @@ import flask
 from flask import request, current_app, url_for
 from jinja2 import Template
 
-from app import app, db
+from app import create_app, db
 from app.models import User, Post, Tag, Category, Feedback
 from flask_script import Manager, Shell
 from flask_migrate import MigrateCommand
 
+app = create_app(os.getenv('FLASK_ENV') or 'config.DevelopementConfig')
 manager = Manager(app)