Bump UI - Volt v1.4.1

Author: App Generator

app/__init__.py

@@ -0,0 +1,41 @@
+# -*- encoding: utf-8 -*-
+"""
+Copyright (c) 2019 - present AppSeed.us
+"""
+
+from flask import Flask, url_for
+from flask_login import LoginManager
+from flask_sqlalchemy import SQLAlchemy
+from importlib import import_module
+from logging import basicConfig, DEBUG, getLogger, StreamHandler
+from os import path
+
+db = SQLAlchemy()
+login_manager = LoginManager()
+
+def register_extensions(app):
+    db.init_app(app)
+    login_manager.init_app(app)
+
+def register_blueprints(app):
+    for module_name in ('base', 'home'):
+        module = import_module('app.{}.routes'.format(module_name))
+        app.register_blueprint(module.blueprint)
+
+def configure_database(app):
+
+    @app.before_first_request
+    def initialize_database():
+        db.create_all()
+
+    @app.teardown_request
+    def shutdown_session(exception=None):
+        db.session.remove()
+
+def create_app(config):
+    app = Flask(__name__, static_folder='base/static')
+    app.config.from_object(config)
+    register_extensions(app)
+    register_blueprints(app)
+    configure_database(app)
+    return app

app/base/__init__.py

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+# -*- encoding: utf-8 -*-
+"""
+Copyright (c) 2019 - present AppSeed.us
+"""
+
+from flask import Blueprint
+
+blueprint = Blueprint(
+    'base_blueprint',
+    __name__,
+    url_prefix='',
+    template_folder='templates',
+    static_folder='static'
+)

app/base/forms.py

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+# -*- encoding: utf-8 -*-
+"""
+Copyright (c) 2019 - present AppSeed.us
+"""
+
+from flask_wtf import FlaskForm
+from wtforms import TextField, PasswordField
+from wtforms.validators import InputRequired, Email, DataRequired
+
+## login and registration
+
+class LoginForm(FlaskForm):
+    username = TextField    ('Username', id='username_login'   , validators=[DataRequired()])
+    password = PasswordField('Password', id='pwd_login'        , validators=[DataRequired()])
+
+class CreateAccountForm(FlaskForm):
+    username = TextField('Username'     , id='username_create' , validators=[DataRequired()])
+    email    = TextField('Email'        , id='email_create'    , validators=[DataRequired(), Email()])
+    password = PasswordField('Password' , id='pwd_create'      , validators=[DataRequired()])

app/base/models.py

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+# -*- encoding: utf-8 -*-
+"""
+Copyright (c) 2019 - present AppSeed.us
+"""
+
+from flask_login import UserMixin
+from sqlalchemy import Binary, Column, Integer, String
+
+from app import db, login_manager
+
+from app.base.util import hash_pass
+
+class User(db.Model, UserMixin):
+
+    __tablename__ = 'User'
+
+    id = Column(Integer, primary_key=True)
+    username = Column(String, unique=True)
+    email = Column(String, unique=True)
+    password = Column(Binary)
+
+    def __init__(self, **kwargs):
+        for property, value in kwargs.items():
+            # depending on whether value is an iterable or not, we must
+            # unpack it's value (when **kwargs is request.form, some values
+            # will be a 1-element list)
+            if hasattr(value, '__iter__') and not isinstance(value, str):
+                # the ,= unpack of a singleton fails PEP8 (travis flake8 test)
+                value = value[0]
+
+            if property == 'password':
+                value = hash_pass( value ) # we need bytes here (not plain str)
+                
+            setattr(self, property, value)
+
+    def __repr__(self):
+        return str(self.username)
+
+
+@login_manager.user_loader
+def user_loader(id):
+    return User.query.filter_by(id=id).first()
+
+@login_manager.request_loader
+def request_loader(request):
+    username = request.form.get('username')
+    user = User.query.filter_by(username=username).first()
+    return user if user else None

app/base/routes.py

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+# -*- encoding: utf-8 -*-
+"""
+Copyright (c) 2019 - present AppSeed.us
+"""
+
+from flask import jsonify, render_template, redirect, request, url_for
+from flask_login import (
+    current_user,
+    login_required,
+    login_user,
+    logout_user
+)
+
+from app import db, login_manager
+from app.base import blueprint
+from app.base.forms import LoginForm, CreateAccountForm
+from app.base.models import User
+
+from app.base.util import verify_pass
+
+@blueprint.route('/')
+def route_default():
+    return redirect(url_for('base_blueprint.login'))
+
+## Login & Registration
+
+@blueprint.route('/login', methods=['GET', 'POST'])
+def login():
+    login_form = LoginForm(request.form)
+    if 'login' in request.form:
+        
+        # read form data
+        username = request.form['username']
+        password = request.form['password']
+
+        # Locate user
+        user = User.query.filter_by(username=username).first()
+        
+        # Check the password
+        if user and verify_pass( password, user.password):
+
+            login_user(user)
+            return redirect(url_for('base_blueprint.route_default'))
+
+        # Something (user or pass) is not ok
+        return render_template( 'accounts/login.html', msg='Wrong user or password', form=login_form)
+
+    if not current_user.is_authenticated:
+        return render_template( 'accounts/login.html',
+                                form=login_form)
+    return redirect(url_for('home_blueprint.index'))
+
+@blueprint.route('/register', methods=['GET', 'POST'])
+def register():
+    login_form = LoginForm(request.form)
+    create_account_form = CreateAccountForm(request.form)
+    if 'register' in request.form:
+
+        username  = request.form['username']
+        email     = request.form['email'   ]
+
+        # Check usename exists
+        user = User.query.filter_by(username=username).first()
+        if user:
+            return render_template( 'accounts/register.html', 
+                                    msg='Username already registered',
+                                    success=False,
+                                    form=create_account_form)
+
+        # Check email exists
+        user = User.query.filter_by(email=email).first()
+        if user:
+            return render_template( 'accounts/register.html', 
+                                    msg='Email already registered', 
+                                    success=False,
+                                    form=create_account_form)
+
+        # else we can create the user
+        user = User(**request.form)
+        db.session.add(user)
+        db.session.commit()
+
+        return render_template( 'accounts/register.html', 
+                                msg='User created please <a href="/login">login</a>', 
+                                success=True,
+                                form=create_account_form)
+
+    else:
+        return render_template( 'accounts/register.html', form=create_account_form)
+
+@blueprint.route('/logout')
+def logout():
+    logout_user()
+    return redirect(url_for('base_blueprint.login'))
+
+## Errors
+
+@login_manager.unauthorized_handler
+def unauthorized_handler():
+    return render_template('page-403.html'), 403
+
+@blueprint.errorhandler(403)
+def access_forbidden(error):
+    return render_template('page-403.html'), 403
+
+@blueprint.errorhandler(404)
+def not_found_error(error):
+    return render_template('page-404.html'), 404
+
+@blueprint.errorhandler(500)
+def internal_error(error):
+    return render_template('page-500.html'), 500