switch to a better structure

README.md

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+My flasky project
+just for fun

app/__init__.py

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+from flask import Flask, render_template
+from flask_bootstrap import Bootstrap
+from flask_mail import Mail
+from flask_moment import Moment
+from flask_sqlalchemy import SQLAlchemy
+from config import config
+
+bootstrap = Bootstrap()
+mail = Mail()
+moment = Moment()
+db = SQLAlchemy()
+
+
+def create_app(config_name):
+    app = Flask(__name__)
+    app.config.from_object(config[config_name])
+    config[config_name].init_app(app)
+    bootstrap.init_app(app)
+    mail.init_app(app)
+    moment.init_app(app)
+    db.init_app(app)
+    from .main import main as main_blueprint
+    app.register_blueprint(main_blueprint)
+    return app

app/main/__init__.py

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+from flask import Blueprint
+main = Blueprint('main', __name__)
+from . import views, forms

app/main/errors.py

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+from flask import render_template
+from . import main
+
+@main.app_errorhandler(404)
+def page_not_found(e):
+    render_template('404.html'), 404
+
+@main.app_errorhandler(500)
+def internal_server_error(500):
+    return render_template('500.html'), 500

app/main/forms.py

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+from flask_wtf import FlaskForm
+from wtforms import StringField, SubmitField
+from wtforms.validators import DataRequired
+
+
+class NameForm(FlaskForm):
+    name = StringField('What is your name?', validators=[DataRequired()])
+    submit = SubmitField('submit')

app/main/views.py

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+from datetime import datetime
+from flask import render_template, session, redirect, url_for
+from . import main
+from .forms import NameForm
+from .. import db, mail
+from ..models import User
+from flask_mail import Message
+from threading import Thread
+
+
+def send_async_email(app, msg):
+    with app.app_context():
+        mail.send(msg)
+
+
+def send_mail(to, subject, template, **kwargs):
+    msg = Message(
+        main.config['MAIL_SUBJECT_PREFIX'] + subject,
+        sender=main.config['FLASKY_MAIL_SENDER'],
+        recipients=to)
+    msg.body = render_template(template + '.txt', **kwargs)
+    msg.html = render_template(template + '.html', **kwargs)
+    thr = Thread(target=send_async_email, args=[main, msg])
+    thr.start()
+    return thr
+
+
+@main.route("/", methods=['GET', 'POST'])
+def index():
+    name = None
+    form = NameForm()
+    if form.validate_on_submit():
+        user = User.query.filter_by(username=form.name.data).first()
+        if not user:
+            user = User(username=form.name.data)
+            db.session.add(user)
+            db.session.commit()
+            session['known'] = False
+        else:
+            session['known'] = True
+        session['name'] = form.name.data
+        form.name.data = ''
+        return redirect(url_for('.index'))
+    return render_template(
+        "index.html",
+        current_time=datetime.utcnow(),
+        form=form,
+        name=session.get('name'),
+        known=session.get('known', False))

app/models.py

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+from . import db
+class Role(db.Model):
+    __tablename__ = 'roles'
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(64), unique=True)
+    users = db.relationship('User', backref="role", lazy='dynamic')
+
+    def __repr__(self):
+        return f"<Role {self.name}>"
+
+
+class User(db.Model):
+    __tablename__ = 'users'
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(db.String(64), unique=True, index=True)
+    role_id = db.Column(db.Integer, db.ForeignKey('roles.id'))
+
+    def __repr__(self):
+        return f"<User {self.username}>"

app/templates/base.html

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+{% extends "bootstrap/base.html" %}
+
+{% block title %}Flasky{% endblock %}
+
+{% block head %}
+{{ super() }}
+<link rel="shortcut icon" href="{{ url_for('static', filename='favicon.ico') }}" type="image/x-icon">
+<link rel="icon" href="{{ url_for('static', filename='favicon.ico') }}" type="image/x-icon">
+{% endblock %}
+
+{% block navbar %}
+<div class="navbar navbar-inverse" role="navigation">
+    <div class="container">
+        <div class="navbar-header">
+            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
+                <span class="sr-only">Toggle navigation</span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+            </button>
+            <a class="navbar-brand" href="/">Flasky</a>
+        </div>
+        <div class="navbar-collapse collapse">
+            <ul class="nav navbar-nav">
+                <li><a href="/">Home</a></li>
+            </ul>
+        </div>
+    </div>
+</div>
+{% endblock %}
+
+{% block content %}
+<div class="container">
+    {% for message in get_flashed_messages() %}
+    <div class="alert alert-warning">
+        <button type="button" class="close" data-dismiss="alert">&times;</button>
+        {{ message }}
+    </div>
+    {% endfor %}
+
+    {% block page_content %}{% endblock %}
+</div>
+{% endblock %}
+
+{% block scripts %}
+{{ super() }}
+{{ moment.include_moment() }}
+{% endblock %}

app/templates/index.html

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+{% extends "base.html" %}
+{% import "bootstrap/wtf.html" as wtf%}
+{% block title %}
+    Flasky
+{% endblock title %}
+{% block content %}
+{{super()}}
+<div class="page-header">
+    <h1>
+        Hello, {%if name%} {{name}} {%else%} Stranger {%endif%}!
+    </h1>
+    {%if not known%}
+    <p>Please to meet you!</p>
+    {%else%}
+    <p>Happy to see you again!</p>
+    {%endif%}
+</div>
+{{wtf.quick_form(form)}}
+<p>
+    The local date and time is {{moment(current_time).format('LLL')}}
+</p>
+<p>
+    That was {{moment(current_time).fromNow(refresh=True)}}
+</p>
+{% endblock content %}
+{% block scripts %}
+{{super()}}
+{{moment.locale('es')}}
+{% endblock scripts %}

app/templates/mail/new_user.html

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+<h1>
+    <p>New user Add.</p>
+    {{user}}
+</h1>

app/templates/mail/new_user.txt

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+There is a new user been added: {{user}}

config.py

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+import os
+
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+
+class Config:
+    SECRET_KEY = os.environ.get('SECRET_KEY', 'hard to guess string')
+    MAIL_SERVER = os.environ.get('MAIL_SERVER', 'stmp.googlemail.com')
+    MAIL_PORT = int(os.environ.get('MAIL_PORT', '587'))
+    MAIL_USE_TLS = os.environ.get('MAIL_USE_TLS',
+                                  'true').lower() in ['true', 'on', '1']
+    MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
+    MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
+    FLASKY_MAIL_SUBJECT_PREFIX = '[Flasky]'
+    FLASKY_MAIL_SENDER = 'Flasky Admin <[email protected]>'
+    FLASKY_ADMIN = os.environ.get('FLASKY_ADMIN')
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
+
+    @staticmethod
+    def init_app(app):
+        pass
+
+
+class DevelopmentConfig(Config):
+    DEBUG = True
+    SQLALCHEMY_DATABASE_URI = 'sqlite:///' + os.path.join(
+        basedir, 'data-dev.sqlite')
+
+
+class ProductionConfig(Config):
+    SQLALCHEMY_DATABASE_URI = "mysql+pymysql://root:woainvren1@localhost/python"
+
+
+class TestingConfig(Config):
+    TESTING = True
+    SQLALCHEMY_DATABASE_URI = 'sqlite://'
+
+
+config = {
+    'development': DevelopmentConfig,
+    'testing': TestingConfig,
+    'production': ProductionConfig,
+    'default': DevelopmentConfig,
+}

flasky.py

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+#!/usr/bin/env python3
+# coding:utf-8
+import os
+
+from flask_migrate import Migrate
+
+from app import create_app, db
+from app.models import Role, User
+
+app = create_app(os.environ.get('FLASK_CONFIG', 'default'))
+migrate = Migrate(app, db)
+
+
+@app.shell_context_processor
+def make_shell_context():
+    return dict(db=db, User=User, Role=Role)
+
+
+@app.cli.command()
+def test():
+    """
+    Run the unit tests.
+    """
+    import unittest
+    tests = unittest.TestLoader().discover('tests')
+    unittest.TextTestRunner(verbosity=2).run(tests)
+
+
+def main():
+    app.run(host='0.0.0.0', port=8080, debug=True)
+
+
+if __name__ == "__main__":
+    main()

gmail_demo.py

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+#!/usr/bin/env python3
+# coding:utf-8
+from flask_mail import Message
+from app import mail, app
+msg = Message('test mail', sender='[email protected]', recipients=['[email protected]'])
+msg.body = 'This is the plain text body'
+msg.html = 'This is the <b>HTML</b> body'
+with app.app_context():
+    mail.send(msg)

migrations/README

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+Generic single-database configuration.

migrations/alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S