import os
from flask import Flask, render_template, session, url_for, redirect, flash
from flask_bootstrap import Bootstrap
from flask_moment import Moment
from datetime import datetime
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField
from wtforms.validators import DataRequired
from flask_sqlalchemy import SQLAlchemy

basedir = os.path.abspath(os.path.dirname(__file__))

app = Flask(__name__)
app.config['SECRET_KEY'] = '12abc'
app.config['SQLALCHEMY_DATABASE_URI'] = \
	'sqlite:///' + os.path.join(basedir, 'data.sqlite')
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False

db = SQLAlchemy(app)
bootstrap = Bootstrap(app)
moment = Moment(app)

class NameForm(FlaskForm):
	name = StringField("Enter your name", validators=[DataRequired()])
	submut = SubmitField('Submit')

# use of databse in view
@app.route('/', methods=['GET', 'POST'])
def index():
	form = NameForm()
	if form.validate_on_submit():
		user = User.query.filter_by(username=form.name.data).first()
		if user is None:
			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', 
							form = form, 
							name=session.get('name'),
							known = session.get('known', False))
	
# # Dynamic route to make app respond with personalized message.
@app.route('/user/<name>')
def user(name):
	return render_template('user.html', name=name)

# handling errors 
@app.errorhandler(404)
def page_not_found(e):
	return render_template('404.html'), 404

@app.errorhandler(500)
def internal_server_error(e):
	return render_template('500.html'), 500

# creating models
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 '<Role %r>' % 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 '<User %r>' % self.username

# integrating models with python shell
@app.shell_context_processor
def make_shelll_context():
	return dict(db=db, User=User, Role=Role)
1f7a1a35d54781ba34311e2918cf4f4467d83429
<mask token>


class NameForm(FlaskForm):
    <mask token>
    <mask token>


<mask token>


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 '<Role %r>' % 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 '<User %r>' % self.username


<mask token>

<mask token>


class NameForm(FlaskForm):
    name = StringField('Enter your name', validators=[DataRequired()])
    submut = SubmitField('Submit')


@app.route('/', methods=['GET', 'POST'])
def index():
    form = NameForm()
    if form.validate_on_submit():
        user = User.query.filter_by(username=form.name.data).first()
        if user is None:
            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', form=form, name=session.get('name'
        ), known=session.get('known', False))


<mask token>


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 '<Role %r>' % 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 '<User %r>' % self.username


<mask token>

<mask token>


class NameForm(FlaskForm):
    name = StringField('Enter your name', validators=[DataRequired()])
    submut = SubmitField('Submit')


@app.route('/', methods=['GET', 'POST'])
def index():
    form = NameForm()
    if form.validate_on_submit():
        user = User.query.filter_by(username=form.name.data).first()
        if user is None:
            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', form=form, name=session.get('name'
        ), known=session.get('known', False))


<mask token>


@app.errorhandler(404)
def page_not_found(e):
    return render_template('404.html'), 404


<mask token>


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 '<Role %r>' % 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 '<User %r>' % self.username


<mask token>

<mask token>


class NameForm(FlaskForm):
    name = StringField('Enter your name', validators=[DataRequired()])
    submut = SubmitField('Submit')


@app.route('/', methods=['GET', 'POST'])
def index():
    form = NameForm()
    if form.validate_on_submit():
        user = User.query.filter_by(username=form.name.data).first()
        if user is None:
            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', form=form, name=session.get('name'
        ), known=session.get('known', False))


@app.route('/user/<name>')
def user(name):
    return render_template('user.html', name=name)


@app.errorhandler(404)
def page_not_found(e):
    return render_template('404.html'), 404


@app.errorhandler(500)
def internal_server_error(e):
    return render_template('500.html'), 500


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 '<Role %r>' % 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 '<User %r>' % self.username


@app.shell_context_processor
def make_shelll_context():
    return dict(db=db, User=User, Role=Role)

import os
from flask import Flask, render_template, session, url_for, redirect, flash
from flask_bootstrap import Bootstrap
from flask_moment import Moment
from datetime import datetime
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField
from wtforms.validators import DataRequired
from flask_sqlalchemy import SQLAlchemy

basedir = os.path.abspath(os.path.dirname(__file__))

app = Flask(__name__)
app.config['SECRET_KEY'] = '12abc'
app.config['SQLALCHEMY_DATABASE_URI'] = \
	'sqlite:///' + os.path.join(basedir, 'data.sqlite')
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False

db = SQLAlchemy(app)
bootstrap = Bootstrap(app)
moment = Moment(app)

class NameForm(FlaskForm):
	name = StringField("Enter your name", validators=[DataRequired()])
	submut = SubmitField('Submit')

# use of databse in view
@app.route('/', methods=['GET', 'POST'])
def index():
	form = NameForm()
	if form.validate_on_submit():
		user = User.query.filter_by(username=form.name.data).first()
		if user is None:
			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', 
							form = form, 
							name=session.get('name'),
							known = session.get('known', False))
	
# # Dynamic route to make app respond with personalized message.
@app.route('/user/<name>')
def user(name):
	return render_template('user.html', name=name)

# handling errors 
@app.errorhandler(404)
def page_not_found(e):
	return render_template('404.html'), 404

@app.errorhandler(500)
def internal_server_error(e):
	return render_template('500.html'), 500

# creating models
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 '<Role %r>' % 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 '<User %r>' % self.username

# integrating models with python shell
@app.shell_context_processor
def make_shelll_context():
	return dict(db=db, User=User, Role=Role)