Chapter 15: A Better Application Structure (v0.15)

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Miguel Grinberg 2017-10-09 00:09:22 -07:00
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32 changed files with 630 additions and 542 deletions

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@ -1,7 +1,7 @@
import logging
from logging.handlers import SMTPHandler, RotatingFileHandler
import os
from flask import Flask, request
from flask import Flask, request, current_app
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from flask_login import LoginManager
@ -11,50 +11,74 @@ from flask_moment import Moment
from flask_babel import Babel, lazy_gettext as _l
from config import Config
app = Flask(__name__)
app.config.from_object(Config)
db = SQLAlchemy(app)
migrate = Migrate(app, db)
login = LoginManager(app)
login.login_view = 'login'
db = SQLAlchemy()
migrate = Migrate()
login = LoginManager()
login.login_view = 'auth.login'
login.login_message = _l('Please log in to access this page.')
mail = Mail(app)
bootstrap = Bootstrap(app)
moment = Moment(app)
babel = Babel(app)
mail = Mail()
bootstrap = Bootstrap()
moment = Moment()
babel = Babel()
if not app.debug:
if app.config['MAIL_SERVER']:
auth = None
if app.config['MAIL_USERNAME'] or app.config['MAIL_PASSWORD']:
auth = (app.config['MAIL_USERNAME'], app.config['MAIL_PASSWORD'])
secure = None
if app.config['MAIL_USE_TLS']:
secure = ()
mail_handler = SMTPHandler(
mailhost=(app.config['MAIL_SERVER'], app.config['MAIL_PORT']),
fromaddr='no-reply@' + app.config['MAIL_SERVER'],
toaddrs=app.config['ADMINS'], subject='Microblog Failure',
credentials=auth, secure=secure)
mail_handler.setLevel(logging.ERROR)
app.logger.addHandler(mail_handler)
if not os.path.exists('logs'):
os.mkdir('logs')
file_handler = RotatingFileHandler('logs/microblog.log', maxBytes=10240,
backupCount=10)
file_handler.setFormatter(logging.Formatter(
'%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]'))
file_handler.setLevel(logging.INFO)
app.logger.addHandler(file_handler)
def create_app(config_class=Config):
app = Flask(__name__)
app.config.from_object(config_class)
app.logger.setLevel(logging.INFO)
app.logger.info('Microblog startup')
db.init_app(app)
migrate.init_app(app, db)
login.init_app(app)
mail.init_app(app)
bootstrap.init_app(app)
moment.init_app(app)
babel.init_app(app)
from app.errors import bp as errors_bp
app.register_blueprint(errors_bp)
from app.auth import bp as auth_bp
app.register_blueprint(auth_bp, url_prefix='/auth')
from app.main import bp as main_bp
app.register_blueprint(main_bp)
if not app.debug and not app.testing:
if app.config['MAIL_SERVER']:
auth = None
if app.config['MAIL_USERNAME'] or app.config['MAIL_PASSWORD']:
auth = (app.config['MAIL_USERNAME'],
app.config['MAIL_PASSWORD'])
secure = None
if app.config['MAIL_USE_TLS']:
secure = ()
mail_handler = SMTPHandler(
mailhost=(app.config['MAIL_SERVER'], app.config['MAIL_PORT']),
fromaddr='no-reply@' + app.config['MAIL_SERVER'],
toaddrs=app.config['ADMINS'], subject='Microblog Failure',
credentials=auth, secure=secure)
mail_handler.setLevel(logging.ERROR)
app.logger.addHandler(mail_handler)
if not os.path.exists('logs'):
os.mkdir('logs')
file_handler = RotatingFileHandler('logs/microblog.log',
maxBytes=10240, backupCount=10)
file_handler.setFormatter(logging.Formatter(
'%(asctime)s %(levelname)s: %(message)s '
'[in %(pathname)s:%(lineno)d]'))
file_handler.setLevel(logging.INFO)
app.logger.addHandler(file_handler)
app.logger.setLevel(logging.INFO)
app.logger.info('Microblog startup')
return app
@babel.localeselector
def get_locale():
return request.accept_languages.best_match(app.config['LANGUAGES'])
return request.accept_languages.best_match(current_app.config['LANGUAGES'])
from app import routes, models, errors
from app import models

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app/auth/__init__.py Normal file
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from flask import Blueprint
bp = Blueprint('auth', __name__)
from app.auth import routes

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app/auth/email.py Normal file
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from flask import render_template, current_app
from flask_babel import _
from app.email import send_email
def send_password_reset_email(user):
token = user.get_reset_password_token()
send_email(_('[Microblog] Reset Your Password'),
sender=current_app.config['ADMINS'][0],
recipients=[user.email],
text_body=render_template('email/reset_password.txt',
user=user, token=token),
html_body=render_template('email/reset_password.html',
user=user, token=token))

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@ -1,8 +1,6 @@
from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, BooleanField, SubmitField, \
TextAreaField
from wtforms.validators import ValidationError, DataRequired, Email, EqualTo, \
Length
from wtforms import StringField, PasswordField, BooleanField, SubmitField
from wtforms.validators import ValidationError, DataRequired, Email, EqualTo
from flask_babel import _, lazy_gettext as _l
from app.models import User
@ -45,29 +43,3 @@ class ResetPasswordForm(FlaskForm):
_l('Repeat Password'), validators=[DataRequired(),
EqualTo('password')])
submit = SubmitField(_l('Request Password Reset'))
class EditProfileForm(FlaskForm):
username = StringField(_l('Username'), validators=[DataRequired()])
about_me = TextAreaField(_l('About me'),
validators=[Length(min=0, max=140)])
submit = SubmitField(_l('Submit'))
def __init__(self, original_username, *args, **kwargs):
super(EditProfileForm, self).__init__(*args, **kwargs)
self.original_username = original_username
def validate_username(self, username):
if username.data != self.original_username:
user = User.query.filter_by(username=self.username.data).first()
if user is not None:
raise ValidationError(_('Please use a different username.'))
class EmptyForm(FlaskForm):
submit = SubmitField('Submit')
class PostForm(FlaskForm):
post = TextAreaField(_l('Say something'), validators=[DataRequired()])
submit = SubmitField(_l('Submit'))

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app/auth/routes.py Normal file
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from flask import render_template, redirect, url_for, flash, request
from werkzeug.urls import url_parse
from flask_login import login_user, logout_user, current_user
from flask_babel import _
from app import db
from app.auth import bp
from app.auth.forms import LoginForm, RegistrationForm, \
ResetPasswordRequestForm, ResetPasswordForm
from app.models import User
from app.auth.email import send_password_reset_email
@bp.route('/login', methods=['GET', 'POST'])
def login():
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(username=form.username.data).first()
if user is None or not user.check_password(form.password.data):
flash(_('Invalid username or password'))
return redirect(url_for('auth.login'))
login_user(user, remember=form.remember_me.data)
next_page = request.args.get('next')
if not next_page or url_parse(next_page).netloc != '':
next_page = url_for('main.index')
return redirect(next_page)
return render_template('auth/login.html', title=_('Sign In'), form=form)
@bp.route('/logout')
def logout():
logout_user()
return redirect(url_for('main.index'))
@bp.route('/register', methods=['GET', 'POST'])
def register():
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = RegistrationForm()
if form.validate_on_submit():
user = User(username=form.username.data, email=form.email.data)
user.set_password(form.password.data)
db.session.add(user)
db.session.commit()
flash(_('Congratulations, you are now a registered user!'))
return redirect(url_for('auth.login'))
return render_template('auth/register.html', title=_('Register'),
form=form)
@bp.route('/reset_password_request', methods=['GET', 'POST'])
def reset_password_request():
if current_user.is_authenticated:
return redirect(url_for('main.index'))
form = ResetPasswordRequestForm()
if form.validate_on_submit():
user = User.query.filter_by(email=form.email.data).first()
if user:
send_password_reset_email(user)
flash(
_('Check your email for the instructions to reset your password'))
return redirect(url_for('auth.login'))
return render_template('auth/reset_password_request.html',
title=_('Reset Password'), form=form)
@bp.route('/reset_password/<token>', methods=['GET', 'POST'])
def reset_password(token):
if current_user.is_authenticated:
return redirect(url_for('main.index'))
user = User.verify_reset_password_token(token)
if not user:
return redirect(url_for('main.index'))
form = ResetPasswordForm()
if form.validate_on_submit():
user.set_password(form.password.data)
db.session.commit()
flash(_('Your password has been reset.'))
return redirect(url_for('auth.login'))
return render_template('auth/reset_password.html', form=form)

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@ -1,38 +1,35 @@
import os
import click
from app import app
@app.cli.group()
def translate():
"""Translation and localization commands."""
pass
def register(app):
@app.cli.group()
def translate():
"""Translation and localization commands."""
pass
@translate.command()
@click.argument('lang')
def init(lang):
"""Initialize a new language."""
if os.system('pybabel extract -F babel.cfg -k _l -o messages.pot .'):
raise RuntimeError('extract command failed')
if os.system(
'pybabel init -i messages.pot -d app/translations -l ' + lang):
raise RuntimeError('init command failed')
os.remove('messages.pot')
@translate.command()
@click.argument('lang')
def init(lang):
"""Initialize a new language."""
if os.system('pybabel extract -F babel.cfg -k _l -o messages.pot .'):
raise RuntimeError('extract command failed')
if os.system(
'pybabel init -i messages.pot -d app/translations -l ' + lang):
raise RuntimeError('init command failed')
os.remove('messages.pot')
@translate.command()
def update():
"""Update all languages."""
if os.system('pybabel extract -F babel.cfg -k _l -o messages.pot .'):
raise RuntimeError('extract command failed')
if os.system('pybabel update -i messages.pot -d app/translations'):
raise RuntimeError('update command failed')
os.remove('messages.pot')
@translate.command()
def update():
"""Update all languages."""
if os.system('pybabel extract -F babel.cfg -k _l -o messages.pot .'):
raise RuntimeError('extract command failed')
if os.system('pybabel update -i messages.pot -d app/translations'):
raise RuntimeError('update command failed')
os.remove('messages.pot')
@translate.command()
def compile():
"""Compile all languages."""
if os.system('pybabel compile -d app/translations'):
raise RuntimeError('compile command failed')
@translate.command()
def compile():
"""Compile all languages."""
if os.system('pybabel compile -d app/translations'):
raise RuntimeError('compile command failed')

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@ -1,8 +1,7 @@
from threading import Thread
from flask import render_template
from flask import current_app
from flask_mail import Message
from flask_babel import _
from app import app, mail
from app import mail
def send_async_email(app, msg):
@ -14,15 +13,5 @@ def send_email(subject, sender, recipients, text_body, html_body):
msg = Message(subject, sender=sender, recipients=recipients)
msg.body = text_body
msg.html = html_body
Thread(target=send_async_email, args=(app, msg)).start()
def send_password_reset_email(user):
token = user.get_reset_password_token()
send_email(_('[Microblog] Reset Your Password'),
sender=app.config['ADMINS'][0],
recipients=[user.email],
text_body=render_template('email/reset_password.txt',
user=user, token=token),
html_body=render_template('email/reset_password.html',
user=user, token=token))
Thread(target=send_async_email,
args=(current_app._get_current_object(), msg)).start()

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@ -1,13 +0,0 @@
from flask import render_template
from app import app, db
@app.errorhandler(404)
def not_found_error(error):
return render_template('404.html'), 404
@app.errorhandler(500)
def internal_error(error):
db.session.rollback()
return render_template('500.html'), 500

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app/errors/__init__.py Normal file
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from flask import Blueprint
bp = Blueprint('errors', __name__)
from app.errors import handlers

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app/errors/handlers.py Normal file
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from flask import render_template
from app import db
from app.errors import bp
@bp.app_errorhandler(404)
def not_found_error(error):
return render_template('errors/404.html'), 404
@bp.app_errorhandler(500)
def internal_error(error):
db.session.rollback()
return render_template('errors/500.html'), 500

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app/main/__init__.py Normal file
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from flask import Blueprint
bp = Blueprint('main', __name__)
from app.main import routes

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app/main/forms.py Normal file
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from flask import request
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField, TextAreaField
from wtforms.validators import ValidationError, DataRequired, Length
from flask_babel import _, lazy_gettext as _l
from app.models import User
class EditProfileForm(FlaskForm):
username = StringField(_l('Username'), validators=[DataRequired()])
about_me = TextAreaField(_l('About me'),
validators=[Length(min=0, max=140)])
submit = SubmitField(_l('Submit'))
def __init__(self, original_username, *args, **kwargs):
super(EditProfileForm, self).__init__(*args, **kwargs)
self.original_username = original_username
def validate_username(self, username):
if username.data != self.original_username:
user = User.query.filter_by(username=self.username.data).first()
if user is not None:
raise ValidationError(_('Please use a different username.'))
class EmptyForm(FlaskForm):
submit = SubmitField('Submit')
class PostForm(FlaskForm):
post = TextAreaField(_l('Say something'), validators=[DataRequired()])
submit = SubmitField(_l('Submit'))

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app/main/routes.py Normal file
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@ -0,0 +1,146 @@
from datetime import datetime
from flask import render_template, flash, redirect, url_for, request, g, \
jsonify, current_app
from flask_login import current_user, login_required
from flask_babel import _, get_locale
from langdetect import detect, LangDetectException
from app import db
from app.main.forms import EditProfileForm, EmptyForm, PostForm
from app.models import User, Post
from app.translate import translate
from app.main import bp
@bp.before_app_request
def before_request():
if current_user.is_authenticated:
current_user.last_seen = datetime.utcnow()
db.session.commit()
g.locale = str(get_locale())
@bp.route('/', methods=['GET', 'POST'])
@bp.route('/index', methods=['GET', 'POST'])
@login_required
def index():
form = PostForm()
if form.validate_on_submit():
try:
language = detect(form.post.data)
except LangDetectException:
language = ''
post = Post(body=form.post.data, author=current_user,
language=language)
db.session.add(post)
db.session.commit()
flash(_('Your post is now live!'))
return redirect(url_for('main.index'))
page = request.args.get('page', 1, type=int)
posts = current_user.followed_posts().paginate(
page=page, per_page=current_app.config['POSTS_PER_PAGE'],
error_out=False)
next_url = url_for('main.index', page=posts.next_num) \
if posts.has_next else None
prev_url = url_for('main.index', page=posts.prev_num) \
if posts.has_prev else None
return render_template('index.html', title=_('Home'), form=form,
posts=posts.items, next_url=next_url,
prev_url=prev_url)
@bp.route('/explore')
@login_required
def explore():
page = request.args.get('page', 1, type=int)
posts = Post.query.order_by(Post.timestamp.desc()).paginate(
page=page, per_page=current_app.config['POSTS_PER_PAGE'],
error_out=False)
next_url = url_for('main.explore', page=posts.next_num) \
if posts.has_next else None
prev_url = url_for('main.explore', page=posts.prev_num) \
if posts.has_prev else None
return render_template('index.html', title=_('Explore'),
posts=posts.items, next_url=next_url,
prev_url=prev_url)
@bp.route('/user/<username>')
@login_required
def user(username):
user = User.query.filter_by(username=username).first_or_404()
page = request.args.get('page', 1, type=int)
posts = user.posts.order_by(Post.timestamp.desc()).paginate(
page=page, per_page=current_app.config['POSTS_PER_PAGE'],
error_out=False)
next_url = url_for('main.user', username=user.username,
page=posts.next_num) if posts.has_next else None
prev_url = url_for('main.user', username=user.username,
page=posts.prev_num) if posts.has_prev else None
form = EmptyForm()
return render_template('user.html', user=user, posts=posts.items,
next_url=next_url, prev_url=prev_url, form=form)
@bp.route('/edit_profile', methods=['GET', 'POST'])
@login_required
def edit_profile():
form = EditProfileForm(current_user.username)
if form.validate_on_submit():
current_user.username = form.username.data
current_user.about_me = form.about_me.data
db.session.commit()
flash(_('Your changes have been saved.'))
return redirect(url_for('main.edit_profile'))
elif request.method == 'GET':
form.username.data = current_user.username
form.about_me.data = current_user.about_me
return render_template('edit_profile.html', title=_('Edit Profile'),
form=form)
@bp.route('/follow/<username>', methods=['POST'])
@login_required
def follow(username):
form = EmptyForm()
if form.validate_on_submit():
user = User.query.filter_by(username=username).first()
if user is None:
flash(_('User %(username)s not found.', username=username))
return redirect(url_for('main.index'))
if user == current_user:
flash(_('You cannot follow yourself!'))
return redirect(url_for('main.user', username=username))
current_user.follow(user)
db.session.commit()
flash(_('You are following %(username)s!', username=username))
return redirect(url_for('main.user', username=username))
else:
return redirect(url_for('main.index'))
@bp.route('/unfollow/<username>', methods=['POST'])
@login_required
def unfollow(username):
form = EmptyForm()
if form.validate_on_submit():
user = User.query.filter_by(username=username).first()
if user is None:
flash(_('User %(username)s not found.', username=username))
return redirect(url_for('main.index'))
if user == current_user:
flash(_('You cannot unfollow yourself!'))
return redirect(url_for('main.user', username=username))
current_user.unfollow(user)
db.session.commit()
flash(_('You are not following %(username)s.', username=username))
return redirect(url_for('main.user', username=username))
else:
return redirect(url_for('main.index'))
@bp.route('/translate', methods=['POST'])
@login_required
def translate_text():
return jsonify({'text': translate(request.form['text'],
request.form['source_language'],
request.form['dest_language'])})

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@ -1,10 +1,11 @@
from datetime import datetime
from hashlib import md5
from time import time
from flask import current_app
from flask_login import UserMixin
from werkzeug.security import generate_password_hash, check_password_hash
import jwt
from app import app, db, login
from app import db, login
followers = db.Table(
@ -64,12 +65,12 @@ class User(UserMixin, db.Model):
def get_reset_password_token(self, expires_in=600):
return jwt.encode(
{'reset_password': self.id, 'exp': time() + expires_in},
app.config['SECRET_KEY'], algorithm='HS256')
current_app.config['SECRET_KEY'], algorithm='HS256')
@staticmethod
def verify_reset_password_token(token):
try:
id = jwt.decode(token, app.config['SECRET_KEY'],
id = jwt.decode(token, current_app.config['SECRET_KEY'],
algorithms=['HS256'])['reset_password']
except:
return

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@ -1,216 +0,0 @@
from datetime import datetime
from flask import render_template, flash, redirect, url_for, request, g, \
jsonify
from flask_login import login_user, logout_user, current_user, login_required
from werkzeug.urls import url_parse
from flask_babel import _, get_locale
from langdetect import detect, LangDetectException
from app import app, db
from app.forms import LoginForm, RegistrationForm, EditProfileForm, \
EmptyForm, PostForm, ResetPasswordRequestForm, ResetPasswordForm
from app.models import User, Post
from app.email import send_password_reset_email
from app.translate import translate
@app.before_request
def before_request():
if current_user.is_authenticated:
current_user.last_seen = datetime.utcnow()
db.session.commit()
g.locale = str(get_locale())
@app.route('/', methods=['GET', 'POST'])
@app.route('/index', methods=['GET', 'POST'])
@login_required
def index():
form = PostForm()
if form.validate_on_submit():
try:
language = detect(form.post.data)
except LangDetectException:
language = ''
post = Post(body=form.post.data, author=current_user,
language=language)
db.session.add(post)
db.session.commit()
flash(_('Your post is now live!'))
return redirect(url_for('index'))
page = request.args.get('page', 1, type=int)
posts = current_user.followed_posts().paginate(
page=page, per_page=app.config['POSTS_PER_PAGE'], error_out=False)
next_url = url_for('index', page=posts.next_num) \
if posts.has_next else None
prev_url = url_for('index', page=posts.prev_num) \
if posts.has_prev else None
return render_template('index.html', title=_('Home'), form=form,
posts=posts.items, next_url=next_url,
prev_url=prev_url)
@app.route('/explore')
@login_required
def explore():
page = request.args.get('page', 1, type=int)
posts = Post.query.order_by(Post.timestamp.desc()).paginate(
page=page, per_page=app.config['POSTS_PER_PAGE'], error_out=False)
next_url = url_for('explore', page=posts.next_num) \
if posts.has_next else None
prev_url = url_for('explore', page=posts.prev_num) \
if posts.has_prev else None
return render_template('index.html', title=_('Explore'),
posts=posts.items, next_url=next_url,
prev_url=prev_url)
@app.route('/login', methods=['GET', 'POST'])
def login():
if current_user.is_authenticated:
return redirect(url_for('index'))
form = LoginForm()
if form.validate_on_submit():
user = User.query.filter_by(username=form.username.data).first()
if user is None or not user.check_password(form.password.data):
flash(_('Invalid username or password'))
return redirect(url_for('login'))
login_user(user, remember=form.remember_me.data)
next_page = request.args.get('next')
if not next_page or url_parse(next_page).netloc != '':
next_page = url_for('index')
return redirect(next_page)
return render_template('login.html', title=_('Sign In'), form=form)
@app.route('/logout')
def logout():
logout_user()
return redirect(url_for('index'))
@app.route('/register', methods=['GET', 'POST'])
def register():
if current_user.is_authenticated:
return redirect(url_for('index'))
form = RegistrationForm()
if form.validate_on_submit():
user = User(username=form.username.data, email=form.email.data)
user.set_password(form.password.data)
db.session.add(user)
db.session.commit()
flash(_('Congratulations, you are now a registered user!'))
return redirect(url_for('login'))
return render_template('register.html', title=_('Register'), form=form)
@app.route('/reset_password_request', methods=['GET', 'POST'])
def reset_password_request():
if current_user.is_authenticated:
return redirect(url_for('index'))
form = ResetPasswordRequestForm()
if form.validate_on_submit():
user = User.query.filter_by(email=form.email.data).first()
if user:
send_password_reset_email(user)
flash(
_('Check your email for the instructions to reset your password'))
return redirect(url_for('login'))
return render_template('reset_password_request.html',
title=_('Reset Password'), form=form)
@app.route('/reset_password/<token>', methods=['GET', 'POST'])
def reset_password(token):
if current_user.is_authenticated:
return redirect(url_for('index'))
user = User.verify_reset_password_token(token)
if not user:
return redirect(url_for('index'))
form = ResetPasswordForm()
if form.validate_on_submit():
user.set_password(form.password.data)
db.session.commit()
flash(_('Your password has been reset.'))
return redirect(url_for('login'))
return render_template('reset_password.html', form=form)
@app.route('/user/<username>')
@login_required
def user(username):
user = User.query.filter_by(username=username).first_or_404()
page = request.args.get('page', 1, type=int)
posts = user.posts.order_by(Post.timestamp.desc()).paginate(
page=page, per_page=app.config['POSTS_PER_PAGE'], error_out=False)
next_url = url_for('user', username=user.username, page=posts.next_num) \
if posts.has_next else None
prev_url = url_for('user', username=user.username, page=posts.prev_num) \
if posts.has_prev else None
form = EmptyForm()
return render_template('user.html', user=user, posts=posts.items,
next_url=next_url, prev_url=prev_url, form=form)
@app.route('/edit_profile', methods=['GET', 'POST'])
@login_required
def edit_profile():
form = EditProfileForm(current_user.username)
if form.validate_on_submit():
current_user.username = form.username.data
current_user.about_me = form.about_me.data
db.session.commit()
flash(_('Your changes have been saved.'))
return redirect(url_for('edit_profile'))
elif request.method == 'GET':
form.username.data = current_user.username
form.about_me.data = current_user.about_me
return render_template('edit_profile.html', title=_('Edit Profile'),
form=form)
@app.route('/follow/<username>', methods=['POST'])
@login_required
def follow(username):
form = EmptyForm()
if form.validate_on_submit():
user = User.query.filter_by(username=username).first()
if user is None:
flash(_('User %(username)s not found.', username=username))
return redirect(url_for('index'))
if user == current_user:
flash(_('You cannot follow yourself!'))
return redirect(url_for('user', username=username))
current_user.follow(user)
db.session.commit()
flash(_('You are following %(username)s!', username=username))
return redirect(url_for('user', username=username))
else:
return redirect(url_for('index'))
@app.route('/unfollow/<username>', methods=['POST'])
@login_required
def unfollow(username):
form = EmptyForm()
if form.validate_on_submit():
user = User.query.filter_by(username=username).first()
if user is None:
flash(_('User %(username)s not found.', username=username))
return redirect(url_for('index'))
if user == current_user:
flash(_('You cannot unfollow yourself!'))
return redirect(url_for('user', username=username))
current_user.unfollow(user)
db.session.commit()
flash(_('You are not following %(username)s.', username=username))
return redirect(url_for('user', username=username))
else:
return redirect(url_for('index'))
@app.route('/translate', methods=['POST'])
@login_required
def translate_text():
return jsonify({'text': translate(request.form['text'],
request.form['source_language'],
request.form['dest_language'])})

View File

@ -1,13 +1,13 @@
<table class="table table-hover">
<tr>
<td width="70px">
<a href="{{ url_for('user', username=post.author.username) }}">
<a href="{{ url_for('main.user', username=post.author.username) }}">
<img src="{{ post.author.avatar(70) }}" />
</a>
</td>
<td>
{% set user_link %}
<a href="{{ url_for('user', username=post.author.username) }}">
<a href="{{ url_for('main.user', username=post.author.username) }}">
{{ post.author.username }}
</a>
{% endset %}

View File

@ -9,9 +9,9 @@
</div>
</div>
<br>
<p>{{ _('New User?') }} <a href="{{ url_for('register') }}">{{ _('Click to Register!') }}</a></p>
<p>{{ _('New User?') }} <a href="{{ url_for('auth.register') }}">{{ _('Click to Register!') }}</a></p>
<p>
{{ _('Forgot Your Password?') }}
<a href="{{ url_for('reset_password_request') }}">{{ _('Click to Reset It') }}</a>
<a href="{{ url_for('auth.reset_password_request') }}">{{ _('Click to Reset It') }}</a>
</p>
{% endblock %}

View File

@ -14,19 +14,19 @@
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="{{ url_for('index') }}">Microblog</a>
<a class="navbar-brand" href="{{ url_for('main.index') }}">Microblog</a>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li><a href="{{ url_for('index') }}">{{ _('Home') }}</a></li>
<li><a href="{{ url_for('explore') }}">{{ _('Explore') }}</a></li>
<li><a href="{{ url_for('main.index') }}">{{ _('Home') }}</a></li>
<li><a href="{{ url_for('main.explore') }}">{{ _('Explore') }}</a></li>
</ul>
<ul class="nav navbar-nav navbar-right">
{% if current_user.is_anonymous %}
<li><a href="{{ url_for('login') }}">{{ _('Login') }}</a></li>
<li><a href="{{ url_for('auth.login') }}">{{ _('Login') }}</a></li>
{% else %}
<li><a href="{{ url_for('user', username=current_user.username) }}">{{ _('Profile') }}</a></li>
<li><a href="{{ url_for('logout') }}">{{ _('Logout') }}</a></li>
<li><a href="{{ url_for('main.user', username=current_user.username) }}">{{ _('Profile') }}</a></li>
<li><a href="{{ url_for('auth.logout') }}">{{ _('Logout') }}</a></li>
{% endif %}
</ul>
</div>

View File

@ -1,12 +1,12 @@
<p>Dear {{ user.username }},</p>
<p>
To reset your password
<a href="{{ url_for('reset_password', token=token, _external=True) }}">
<a href="{{ url_for('auth.reset_password', token=token, _external=True) }}">
click here
</a>.
</p>
<p>Alternatively, you can paste the following link in your browser's address bar:</p>
<p>{{ url_for('reset_password', token=token, _external=True) }}</p>
<p>{{ url_for('auth.reset_password', token=token, _external=True) }}</p>
<p>If you have not requested a password reset simply ignore this message.</p>
<p>Sincerely,</p>
<p>The Microblog Team</p>

View File

@ -2,7 +2,7 @@ Dear {{ user.username }},
To reset your password click on the following link:
{{ url_for('reset_password', token=token, _external=True) }}
{{ url_for('auth.reset_password', token=token, _external=True) }}
If you have not requested a password reset simply ignore this message.

View File

@ -2,5 +2,5 @@
{% block app_content %}
<h1>{{ _('Not Found') }}</h1>
<p><a href="{{ url_for('index') }}">{{ _('Back') }}</a></p>
<p><a href="{{ url_for('main.index') }}">{{ _('Back') }}</a></p>
{% endblock %}

View File

@ -3,5 +3,5 @@
{% block app_content %}
<h1>{{ _('An unexpected error has occurred') }}</h1>
<p>{{ _('The administrator has been notified. Sorry for the inconvenience!') }}</p>
<p><a href="{{ url_for('index') }}">{{ _('Back') }}</a></p>
<p><a href="{{ url_for('main.index') }}">{{ _('Back') }}</a></p>
{% endblock %}

View File

@ -12,17 +12,17 @@
{% endif %}
<p>{{ _('%(count)d followers', count=user.followers.count()) }}, {{ _('%(count)d following', count=user.followed.count()) }}</p>
{% if user == current_user %}
<p><a href="{{ url_for('edit_profile') }}">{{ _('Edit your profile') }}</a></p>
<p><a href="{{ url_for('main.edit_profile') }}">{{ _('Edit your profile') }}</a></p>
{% elif not current_user.is_following(user) %}
<p>
<form action="{{ url_for('follow', username=user.username) }}" method="post">
<form action="{{ url_for('main.follow', username=user.username) }}" method="post">
{{ form.hidden_tag() }}
{{ form.submit(value=_('Follow'), class_='btn btn-default') }}
</form>
</p>
{% else %}
<p>
<form action="{{ url_for('unfollow', username=user.username) }}" method="post">
<form action="{{ url_for('main.unfollow', username=user.username) }}" method="post">
{{ form.hidden_tag() }}
{{ form.submit(value=_('Unfollow'), class_='btn btn-default') }}
</form>

View File

@ -1,15 +1,15 @@
import json
import requests
from flask import current_app
from flask_babel import _
from app import app
def translate(text, source_language, dest_language):
if 'MS_TRANSLATOR_KEY' not in app.config or \
not app.config['MS_TRANSLATOR_KEY']:
if 'MS_TRANSLATOR_KEY' not in current_app.config or \
not current_app.config['MS_TRANSLATOR_KEY']:
return _('Error: the translation service is not configured.')
auth = {
'Ocp-Apim-Subscription-Key': app.config['MS_TRANSLATOR_KEY'],
'Ocp-Apim-Subscription-Key': current_app.config['MS_TRANSLATOR_KEY'],
'Ocp-Apim-Subscription-Region': 'westus2'}
r = requests.post(
'https://api.cognitive.microsofttranslator.com'

View File

@ -7,7 +7,7 @@ msgid ""
msgstr ""
"Project-Id-Version: PROJECT VERSION\n"
"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
"POT-Creation-Date: 2017-10-05 15:32-0700\n"
"POT-Creation-Date: 2017-11-25 17:17-0800\n"
"PO-Revision-Date: 2017-09-29 23:25-0700\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language: es\n"
@ -18,151 +18,131 @@ msgstr ""
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: Babel 2.5.1\n"
#: app/__init__.py:20
#: app/__init__.py:17
msgid "Please log in to access this page."
msgstr "Por favor ingrese para acceder a esta página."
#: app/email.py:21
msgid "[Microblog] Reset Your Password"
msgstr "[Microblog] Nueva Contraseña"
#: app/forms.py:12 app/forms.py:19 app/forms.py:50
msgid "Username"
msgstr "Nombre de usuario"
#: app/forms.py:13 app/forms.py:21 app/forms.py:43
msgid "Password"
msgstr "Contraseña"
#: app/forms.py:14
msgid "Remember Me"
msgstr "Recordarme"
#: app/forms.py:15 app/templates/login.html:5
msgid "Sign In"
msgstr "Ingresar"
#: app/forms.py:20 app/forms.py:38
msgid "Email"
msgstr "Email"
#: app/forms.py:23 app/forms.py:45
msgid "Repeat Password"
msgstr "Repetir Contraseña"
#: app/forms.py:24 app/templates/register.html:5
msgid "Register"
msgstr "Registrarse"
#: app/forms.py:29 app/forms.py:62
msgid "Please use a different username."
msgstr "Por favor use un nombre de usuario diferente."
#: app/forms.py:34
msgid "Please use a different email address."
msgstr "Por favor use una dirección de email diferente."
#: app/forms.py:39 app/forms.py:46
msgid "Request Password Reset"
msgstr "Pedir una nueva contraseña"
#: app/forms.py:51
msgid "About me"
msgstr "Acerca de mí"
#: app/forms.py:52 app/forms.py:67
msgid "Submit"
msgstr "Enviar"
#: app/forms.py:66
msgid "Say something"
msgstr "Dí algo"
#: app/forms.py:71
msgid "Search"
msgstr "Buscar"
#: app/routes.py:37
msgid "Your post is now live!"
msgstr "¡Tu artículo ha sido publicado!"
#: app/routes.py:73
msgid "Invalid username or password"
msgstr "Nombre de usuario o contraseña inválidos"
#: app/routes.py:99
msgid "Congratulations, you are now a registered user!"
msgstr "¡Felicitaciones, ya eres un usuario registrado!"
#: app/routes.py:114
msgid "Check your email for the instructions to reset your password"
msgstr "Busca en tu email las instrucciones para crear una nueva contraseña"
#: app/routes.py:131
msgid "Your password has been reset."
msgstr "Tu contraseña ha sido cambiada."
#: app/routes.py:159
msgid "Your changes have been saved."
msgstr "Tus cambios han sido salvados."
#: app/routes.py:164 app/templates/edit_profile.html:5
msgid "Edit Profile"
msgstr "Editar Perfil"
#: app/routes.py:173 app/routes.py:189
#, python-format
msgid "User %(username)s not found."
msgstr "El usuario %(username)s no ha sido encontrado."
#: app/routes.py:176
msgid "You cannot follow yourself!"
msgstr "¡No te puedes seguir a tí mismo!"
#: app/routes.py:180
#, python-format
msgid "You are following %(username)s!"
msgstr "¡Ahora estás siguiendo a %(username)s!"
#: app/routes.py:192
msgid "You cannot unfollow yourself!"
msgstr "¡No te puedes dejar de seguir a tí mismo!"
#: app/routes.py:196
#, python-format
msgid "You are not following %(username)s."
msgstr "No estás siguiendo a %(username)s."
#: app/translate.py:10
msgid "Error: the translation service is not configured."
msgstr "Error: el servicio de traducciones no está configurado."
#: app/translate.py:17
#: app/translate.py:18
msgid "Error: the translation service failed."
msgstr "Error el servicio de traducciones ha fallado."
#: app/templates/404.html:4
msgid "Not Found"
msgstr "Página No Encontrada"
#: app/auth/email.py:8
msgid "[Microblog] Reset Your Password"
msgstr "[Microblog] Nueva Contraseña"
#: app/templates/404.html:5 app/templates/500.html:6
msgid "Back"
msgstr "Atrás"
#: app/auth/forms.py:9 app/auth/forms.py:16 app/main/forms.py:10
msgid "Username"
msgstr "Nombre de usuario"
#: app/templates/500.html:4
msgid "An unexpected error has occurred"
msgstr "Ha ocurrido un error inesperado"
#: app/auth/forms.py:10 app/auth/forms.py:18 app/auth/forms.py:41
msgid "Password"
msgstr "Contraseña"
#: app/templates/500.html:5
msgid "The administrator has been notified. Sorry for the inconvenience!"
msgstr "El administrador ha sido notificado. ¡Lamentamos la inconveniencia!"
#: app/auth/forms.py:11
msgid "Remember Me"
msgstr "Recordarme"
#: app/templates/_post.html:9
#: app/auth/forms.py:12 app/templates/auth/login.html:5
msgid "Sign In"
msgstr "Ingresar"
#: app/auth/forms.py:17 app/auth/forms.py:36
msgid "Email"
msgstr "Email"
#: app/auth/forms.py:20 app/auth/forms.py:43
msgid "Repeat Password"
msgstr "Repetir Contraseña"
#: app/auth/forms.py:22 app/templates/auth/register.html:5
msgid "Register"
msgstr "Registrarse"
#: app/auth/forms.py:27 app/main/forms.py:23
msgid "Please use a different username."
msgstr "Por favor use un nombre de usuario diferente."
#: app/auth/forms.py:32
msgid "Please use a different email address."
msgstr "Por favor use una dirección de email diferente."
#: app/auth/forms.py:37 app/auth/forms.py:45
msgid "Request Password Reset"
msgstr "Pedir una nueva contraseña"
#: app/auth/routes.py:20
msgid "Invalid username or password"
msgstr "Nombre de usuario o contraseña inválidos"
#: app/auth/routes.py:46
msgid "Congratulations, you are now a registered user!"
msgstr "¡Felicitaciones, ya eres un usuario registrado!"
#: app/auth/routes.py:61
msgid "Check your email for the instructions to reset your password"
msgstr "Busca en tu email las instrucciones para crear una nueva contraseña"
#: app/auth/routes.py:78
msgid "Your password has been reset."
msgstr "Tu contraseña ha sido cambiada."
#: app/main/forms.py:11
msgid "About me"
msgstr "Acerca de mí"
#: app/main/forms.py:13 app/main/forms.py:28
msgid "Submit"
msgstr "Enviar"
#: app/main/forms.py:27
msgid "Say something"
msgstr "Dí algo"
#: app/main/routes.py:35
msgid "Your post is now live!"
msgstr "¡Tu artículo ha sido publicado!"
#: app/main/routes.py:86
msgid "Your changes have been saved."
msgstr "Tus cambios han sido salvados."
#: app/main/routes.py:91 app/templates/edit_profile.html:5
msgid "Edit Profile"
msgstr "Editar Perfil"
#: app/main/routes.py:100 app/main/routes.py:116
#, python-format
msgid "User %(username)s not found."
msgstr "El usuario %(username)s no ha sido encontrado."
#: app/main/routes.py:103
msgid "You cannot follow yourself!"
msgstr "¡No te puedes seguir a tí mismo!"
#: app/main/routes.py:107
#, python-format
msgid "You are following %(username)s!"
msgstr "¡Ahora estás siguiendo a %(username)s!"
#: app/main/routes.py:119
msgid "You cannot unfollow yourself!"
msgstr "¡No te puedes dejar de seguir a tí mismo!"
#: app/main/routes.py:123
#, python-format
msgid "You are not following %(username)s."
msgstr "No estás siguiendo a %(username)s."
#: app/templates/_post.html:14
#, python-format
msgid "%(username)s said %(when)s"
msgstr "%(username)s dijo %(when)s"
#: app/templates/_post.html:19
#: app/templates/_post.html:25
msgid "Translate"
msgstr "Traducir"
@ -178,19 +158,19 @@ msgstr "Inicio"
msgid "Explore"
msgstr "Explorar"
#: app/templates/base.html:33
#: app/templates/base.html:26
msgid "Login"
msgstr "Ingresar"
#: app/templates/base.html:35
#: app/templates/base.html:28
msgid "Profile"
msgstr "Perfil"
#: app/templates/base.html:36
#: app/templates/base.html:29
msgid "Logout"
msgstr "Salir"
#: app/templates/base.html:73
#: app/templates/base.html:66
msgid "Error: Could not contact server."
msgstr "Error: el servidor no pudo ser contactado."
@ -207,42 +187,6 @@ msgstr "Artículos siguientes"
msgid "Older posts"
msgstr "Artículos previos"
#: app/templates/login.html:12
msgid "New User?"
msgstr "¿Usuario Nuevo?"
#: app/templates/login.html:12
msgid "Click to Register!"
msgstr "¡Haz click aquí para registrarte!"
#: app/templates/login.html:14
msgid "Forgot Your Password?"
msgstr "¿Te olvidaste tu contraseña?"
#: app/templates/login.html:15
msgid "Click to Reset It"
msgstr "Haz click aquí para pedir una nueva"
#: app/templates/reset_password.html:5
msgid "Reset Your Password"
msgstr "Nueva Contraseña"
#: app/templates/reset_password_request.html:5
msgid "Reset Password"
msgstr "Nueva Contraseña"
#: app/templates/search.html:4
msgid "Search Results"
msgstr "Resultados de Búsqueda"
#: app/templates/search.html:12
msgid "Previous results"
msgstr "Resultados previos"
#: app/templates/search.html:17
msgid "Next results"
msgstr "Resultados próximos"
#: app/templates/user.html:8
msgid "User"
msgstr "Usuario"
@ -273,3 +217,42 @@ msgstr "Seguir"
msgid "Unfollow"
msgstr "Dejar de seguir"
#: app/templates/auth/login.html:12
msgid "New User?"
msgstr "¿Usuario Nuevo?"
#: app/templates/auth/login.html:12
msgid "Click to Register!"
msgstr "¡Haz click aquí para registrarte!"
#: app/templates/auth/login.html:14
msgid "Forgot Your Password?"
msgstr "¿Te olvidaste tu contraseña?"
#: app/templates/auth/login.html:15
msgid "Click to Reset It"
msgstr "Haz click aquí para pedir una nueva"
#: app/templates/auth/reset_password.html:5
msgid "Reset Your Password"
msgstr "Nueva Contraseña"
#: app/templates/auth/reset_password_request.html:5
msgid "Reset Password"
msgstr "Nueva Contraseña"
#: app/templates/errors/404.html:4
msgid "Not Found"
msgstr "Página No Encontrada"
#: app/templates/errors/404.html:5 app/templates/errors/500.html:6
msgid "Back"
msgstr "Atrás"
#: app/templates/errors/500.html:4
msgid "An unexpected error has occurred"
msgstr "Ha ocurrido un error inesperado"
#: app/templates/errors/500.html:5
msgid "The administrator has been notified. Sorry for the inconvenience!"
msgstr "El administrador ha sido notificado. ¡Lamentamos la inconveniencia!"

View File

@ -1,5 +1,8 @@
import os
from dotenv import load_dotenv
basedir = os.path.abspath(os.path.dirname(__file__))
load_dotenv(os.path.join(basedir, '.env'))
class Config(object):

View File

@ -1,6 +1,9 @@
from app import app, db, cli
from app import create_app, db, cli
from app.models import User, Post
app = create_app()
cli.register(app)
@app.shell_context_processor
def make_shell_context():

37
requirements.txt Normal file
View File

@ -0,0 +1,37 @@
alembic==1.6.5
Babel==2.9.1
blinker==1.4
certifi==2021.5.30
chardet==4.0.0
click==8.0.1
dnspython==2.1.0
dominate==2.6.0
email-validator==1.1.3
Flask==2.0.1
Flask-Babel==2.0.0
Flask-Bootstrap==3.3.7.1
Flask-Login==0.5.0
Flask-Mail==0.9.1
Flask-Migrate==3.0.1
Flask-Moment==1.0.1
Flask-SQLAlchemy==2.5.1
Flask-WTF==0.15.1
greenlet==1.1.0
idna==2.10
itsdangerous==2.0.1
Jinja2==3.0.1
langdetect==1.0.9
Mako==1.1.4
MarkupSafe==2.0.1
PyJWT==2.1.0
python-dateutil==2.8.1
python-dotenv==0.18.0
python-editor==1.0.4
pytz==2021.1
requests==2.25.1
six==1.16.0
SQLAlchemy==1.4.20
urllib3==1.26.6
visitor==0.1.3
Werkzeug==2.0.1
WTForms==2.3.3

View File

@ -1,16 +1,20 @@
#!/usr/bin/env python
import os
os.environ['DATABASE_URL'] = 'sqlite://'
from datetime import datetime, timedelta
import unittest
from app import app, db
from app import create_app, db
from app.models import User, Post
from config import Config
class TestConfig(Config):
TESTING = True
SQLALCHEMY_DATABASE_URI = 'sqlite://'
class UserModelCase(unittest.TestCase):
def setUp(self):
self.app_context = app.app_context()
self.app = create_app(TestConfig)
self.app_context = self.app.app_context()
self.app_context.push()
db.create_all()