Chapter 13: I18n and L10n (v0.13)

app/__init__.py

@@ -1,13 +1,14 @@
 import logging
 from logging.handlers import SMTPHandler, RotatingFileHandler
 import os
-from flask import Flask
+from flask import Flask, request
 from flask_sqlalchemy import SQLAlchemy
 from flask_migrate import Migrate
 from flask_login import LoginManager
 from flask_mail import Mail
 from flask_bootstrap import Bootstrap
 from flask_moment import Moment
+from flask_babel import Babel, lazy_gettext as _l
 from config import Config
 
 app = Flask(__name__)
@@ -16,9 +17,11 @@ db = SQLAlchemy(app)
 migrate = Migrate(app, db)
 login = LoginManager(app)
 login.login_view = 'login'
+login.login_message = _l('Please log in to access this page.')
 mail = Mail(app)
 bootstrap = Bootstrap(app)
 moment = Moment(app)
+babel = Babel(app)
 
 if not app.debug:
     if app.config['MAIL_SERVER']:
@@ -48,4 +51,10 @@ if not app.debug:
     app.logger.setLevel(logging.INFO)
     app.logger.info('Microblog startup')
 
+
+@babel.localeselector
+def get_locale():
+    return request.accept_languages.best_match(app.config['LANGUAGES'])
+
+
 from app import routes, models, errors

app/cli.py

@@ -0,0 +1,38 @@
+import os
+import click
+from app import 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()
+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')

app/email.py

@@ -1,6 +1,7 @@
 from threading import Thread
 from flask import render_template
 from flask_mail import Message
+from flask_babel import _
 from app import app, mail
 
 
@@ -18,7 +19,7 @@ def send_email(subject, sender, recipients, text_body, html_body):
 
 def send_password_reset_email(user):
     token = user.get_reset_password_token()
-    send_email('[Microblog] Reset Your Password',
+    send_email(_('[Microblog] Reset Your Password'),
                sender=app.config['ADMINS'][0],
                recipients=[user.email],
                text_body=render_template('email/reset_password.txt',

app/forms.py

@@ -3,51 +3,55 @@ from wtforms import StringField, PasswordField, BooleanField, SubmitField, \
     TextAreaField
 from wtforms.validators import ValidationError, DataRequired, Email, EqualTo, \
     Length
+from flask_babel import _, lazy_gettext as _l
 from app.models import User
 
 
 class LoginForm(FlaskForm):
-    username = StringField('Username', validators=[DataRequired()])
+    username = StringField(_l('Username'), validators=[DataRequired()])
-    password = PasswordField('Password', validators=[DataRequired()])
+    password = PasswordField(_l('Password'), validators=[DataRequired()])
-    remember_me = BooleanField('Remember Me')
+    remember_me = BooleanField(_l('Remember Me'))
-    submit = SubmitField('Sign In')
+    submit = SubmitField(_l('Sign In'))
 
 
 class RegistrationForm(FlaskForm):
-    username = StringField('Username', validators=[DataRequired()])
+    username = StringField(_l('Username'), validators=[DataRequired()])
-    email = StringField('Email', validators=[DataRequired(), Email()])
+    email = StringField(_l('Email'), validators=[DataRequired(), Email()])
-    password = PasswordField('Password', validators=[DataRequired()])
+    password = PasswordField(_l('Password'), validators=[DataRequired()])
     password2 = PasswordField(
-        'Repeat Password', validators=[DataRequired(), EqualTo('password')])
+        _l('Repeat Password'), validators=[DataRequired(),
-    submit = SubmitField('Register')
+                                           EqualTo('password')])
+    submit = SubmitField(_l('Register'))
 
     def validate_username(self, username):
         user = User.query.filter_by(username=username.data).first()
         if user is not None:
-            raise ValidationError('Please use a different username.')
+            raise ValidationError(_('Please use a different username.'))
 
     def validate_email(self, email):
         user = User.query.filter_by(email=email.data).first()
         if user is not None:
-            raise ValidationError('Please use a different email address.')
+            raise ValidationError(_('Please use a different email address.'))
 
 
 class ResetPasswordRequestForm(FlaskForm):
-    email = StringField('Email', validators=[DataRequired(), Email()])
+    email = StringField(_l('Email'), validators=[DataRequired(), Email()])
-    submit = SubmitField('Request Password Reset')
+    submit = SubmitField(_l('Request Password Reset'))
 
 
 class ResetPasswordForm(FlaskForm):
-    password = PasswordField('Password', validators=[DataRequired()])
+    password = PasswordField(_l('Password'), validators=[DataRequired()])
     password2 = PasswordField(
-        'Repeat Password', validators=[DataRequired(), EqualTo('password')])
+        _l('Repeat Password'), validators=[DataRequired(),
-    submit = SubmitField('Request Password Reset')
+                                           EqualTo('password')])
+    submit = SubmitField(_l('Request Password Reset'))
 
 
 class EditProfileForm(FlaskForm):
-    username = StringField('Username', validators=[DataRequired()])
+    username = StringField(_l('Username'), validators=[DataRequired()])
-    about_me = TextAreaField('About me', validators=[Length(min=0, max=140)])
+    about_me = TextAreaField(_l('About me'),
-    submit = SubmitField('Submit')
+                             validators=[Length(min=0, max=140)])
+    submit = SubmitField(_l('Submit'))
 
     def __init__(self, original_username, *args, **kwargs):
         super(EditProfileForm, self).__init__(*args, **kwargs)
@@ -57,9 +61,9 @@ class EditProfileForm(FlaskForm):
         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.')
+                raise ValidationError(_('Please use a different username.'))
 
 
 class PostForm(FlaskForm):
-    post = TextAreaField('Say something', validators=[DataRequired()])
+    post = TextAreaField(_l('Say something'), validators=[DataRequired()])
-    submit = SubmitField('Submit')
+    submit = SubmitField(_l('Submit'))

app/routes.py

@@ -1,7 +1,8 @@
 from datetime import datetime
-from flask import render_template, flash, redirect, url_for, request
+from flask import render_template, flash, redirect, url_for, request, g
 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 app import app, db
 from app.forms import LoginForm, RegistrationForm, EditProfileForm, PostForm, \
     ResetPasswordRequestForm, ResetPasswordForm
@@ -14,6 +15,7 @@ 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'])
@@ -25,7 +27,7 @@ def index():
         post = Post(body=form.post.data, author=current_user)
         db.session.add(post)
         db.session.commit()
-        flash('Your post is now live!')
+        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(
@@ -34,7 +36,7 @@ def index():
         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,
+    return render_template('index.html', title=_('Home'), form=form,
                            posts=posts.items, next_url=next_url,
                            prev_url=prev_url)
 
@@ -49,8 +51,9 @@ def explore():
         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,
+    return render_template('index.html', title=_('Explore'),
-                           next_url=next_url, prev_url=prev_url)
+                           posts=posts.items, next_url=next_url,
+                           prev_url=prev_url)
 
 
 @app.route('/login', methods=['GET', 'POST'])
@@ -61,14 +64,14 @@ def login():
     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')
+            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)
+    return render_template('login.html', title=_('Sign In'), form=form)
 
 
 @app.route('/logout')
@@ -87,9 +90,9 @@ def register():
         user.set_password(form.password.data)
         db.session.add(user)
         db.session.commit()
-        flash('Congratulations, you are now a registered user!')
+        flash(_('Congratulations, you are now a registered user!'))
         return redirect(url_for('login'))
-    return render_template('register.html', title='Register', form=form)
+    return render_template('register.html', title=_('Register'), form=form)
 
 
 @app.route('/reset_password_request', methods=['GET', 'POST'])
@@ -101,10 +104,11 @@ def reset_password_request():
         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')
+        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)
+                           title=_('Reset Password'), form=form)
 
 
 @app.route('/reset_password/<token>', methods=['GET', 'POST'])
@@ -118,7 +122,7 @@ def reset_password(token):
     if form.validate_on_submit():
         user.set_password(form.password.data)
         db.session.commit()
-        flash('Your password has been reset.')
+        flash(_('Your password has been reset.'))
         return redirect(url_for('login'))
     return render_template('reset_password.html', form=form)
 
@@ -146,12 +150,12 @@ def edit_profile():
         current_user.username = form.username.data
         current_user.about_me = form.about_me.data
         db.session.commit()
-        flash('Your changes have been saved.')
+        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',
+    return render_template('edit_profile.html', title=_('Edit Profile'),
                            form=form)
 
 
@@ -160,14 +164,14 @@ def edit_profile():
 def follow(username):
     user = User.query.filter_by(username=username).first()
     if user is None:
-        flash('User {} not found.'.format(username))
+        flash(_('User %(username)s not found.', username=username))
         return redirect(url_for('index'))
     if user == current_user:
-        flash('You cannot follow yourself!')
+        flash(_('You cannot follow yourself!'))
         return redirect(url_for('user', username=username))
     current_user.follow(user)
     db.session.commit()
-    flash('You are following {}!'.format(username))
+    flash(_('You are following %(username)s!', username=username))
     return redirect(url_for('user', username=username))
 
 
@@ -176,12 +180,12 @@ def follow(username):
 def unfollow(username):
     user = User.query.filter_by(username=username).first()
     if user is None:
-        flash('User {} not found.'.format(username))
+        flash(_('User %(username)s not found.', username=username))
         return redirect(url_for('index'))
     if user == current_user:
-        flash('You cannot unfollow yourself!')
+        flash(_('You cannot unfollow yourself!'))
         return redirect(url_for('user', username=username))
     current_user.unfollow(user)
     db.session.commit()
-    flash('You are not following {}.'.format(username))
+    flash(_('You are not following %(username)s.', username=username))
     return redirect(url_for('user', username=username))

app/templates/404.html

@@ -1,6 +1,6 @@
 {% extends "base.html" %}
 
 {% block app_content %}
-    <h1>Not Found</h1>
+    <h1>{{ _('Not Found') }}</h1>
-    <p><a href="{{ url_for('index') }}">Back</a></p>
+    <p><a href="{{ url_for('index') }}">{{ _('Back') }}</a></p>
 {% endblock %}

app/templates/500.html

@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 
 {% block app_content %}
-    <h1>An unexpected error has occurred</h1>
+    <h1>{{ _('An unexpected error has occurred') }}</h1>
-    <p>The administrator has been notified. Sorry for the inconvenience!</p>
+    <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('index') }}">{{ _('Back') }}</a></p>
 {% endblock %}

app/templates/_post.html

@@ -6,10 +6,13 @@
                 </a>
             </td>
             <td>
-                <a href="{{ url_for('user', username=post.author.username) }}">
+                {% set user_link %}
-                    {{ post.author.username }}
+                    <a href="{{ url_for('user', username=post.author.username) }}">
-                </a>
+                        {{ post.author.username }}
-                said {{ moment(post.timestamp).fromNow() }}:
+                    </a>
+                {% endset %}
+                {{ _('%(username)s said %(when)s',
+                    username=user_link, when=moment(post.timestamp).fromNow()) }}
                 <br>
                 {{ post.body }}
             </td>

app/templates/base.html

@@ -1,7 +1,7 @@
 {% extends 'bootstrap/base.html' %}
 
 {% block title %}
-    {% if title %}{{ title }} - Microblog{% else %}Welcome to Microblog{% endif %}
+    {% if title %}{{ title }} - Microblog{% else %}{{ _('Welcome to Microblog') }}{% endif %}
 {% endblock %}
 
 {% block navbar %}
@@ -18,15 +18,15 @@
             </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('index') }}">{{ _('Home') }}</a></li>
-                    <li><a href="{{ url_for('explore') }}">Explore</a></li>
+                    <li><a href="{{ url_for('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('login') }}">{{ _('Login') }}</a></li>
                     {% else %}
-                    <li><a href="{{ url_for('user', username=current_user.username) }}">Profile</a></li>
+                    <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('logout') }}">{{ _('Logout') }}</a></li>
                     {% endif %}
                 </ul>
             </div>
@@ -52,4 +52,5 @@
 {% block scripts %}
     {{ super() }}
     {{ moment.include_moment() }}
+    {{ moment.lang(g.locale) }}
 {% endblock %}

app/templates/edit_profile.html

@@ -2,7 +2,7 @@
 {% import 'bootstrap/wtf.html' as wtf %}
 
 {% block app_content %}
-    <h1>Edit Profile</h1>
+    <h1>{{ _('Edit Profile') }}</h1>
     <div class="row">
         <div class="col-md-4">
             {{ wtf.quick_form(form) }}

app/templates/index.html

@@ -2,7 +2,7 @@
 {% import 'bootstrap/wtf.html' as wtf %}
 
 {% block app_content %}
-    <h1>Hi, {{ current_user.username }}!</h1>
+    <h1>{{ _('Hi, %(username)s!', username=current_user.username) }}</h1>
     {% if form %}
     {{ wtf.quick_form(form) }}
     <br>
@@ -14,12 +14,12 @@
         <ul class="pager">
             <li class="previous{% if not prev_url %} disabled{% endif %}">
                 <a href="{{ prev_url or '#' }}">
-                    <span aria-hidden="true">&larr;</span> Newer posts
+                    <span aria-hidden="true">&larr;</span> {{ _('Newer posts') }}
                 </a>
             </li>
             <li class="next{% if not next_url %} disabled{% endif %}">
                 <a href="{{ next_url or '#' }}">
-                    Older posts <span aria-hidden="true">&rarr;</span>
+                    {{ _('Older posts') }} <span aria-hidden="true">&rarr;</span>
                 </a>
             </li>
         </ul>

app/templates/login.html

@@ -2,16 +2,16 @@
 {% import 'bootstrap/wtf.html' as wtf %}
 
 {% block app_content %}
-    <h1>Sign In</h1>
+    <h1>{{ _('Sign In') }}</h1>
     <div class="row">
         <div class="col-md-4">
             {{ wtf.quick_form(form) }}
         </div>
     </div>
     <br>
-    <p>New User? <a href="{{ url_for('register') }}">Click to Register!</a></p>
+    <p>{{ _('New User?') }} <a href="{{ url_for('register') }}">{{ _('Click to Register!') }}</a></p>
     <p>
-        Forgot Your Password?
+        {{ _('Forgot Your Password?') }}
-        <a href="{{ url_for('reset_password_request') }}">Click to Reset It</a>
+        <a href="{{ url_for('reset_password_request') }}">{{ _('Click to Reset It') }}</a>
     </p>
 {% endblock %}

app/templates/register.html

@@ -2,7 +2,7 @@
 {% import 'bootstrap/wtf.html' as wtf %}
 
 {% block app_content %}
-    <h1>Register</h1>
+    <h1>{{ _('Register') }}</h1>
     <div class="row">
         <div class="col-md-4">
             {{ wtf.quick_form(form) }}

app/templates/reset_password.html

@@ -2,7 +2,7 @@
 {% import 'bootstrap/wtf.html' as wtf %}
 
 {% block app_content %}
-    <h1>Reset Your Password</h1>
+    <h1>{{ _('Reset Your Password') }}</h1>
     <div class="row">
         <div class="col-md-4">
             {{ wtf.quick_form(form) }}

app/templates/reset_password_request.html

@@ -2,7 +2,7 @@
 {% import 'bootstrap/wtf.html' as wtf %}
 
 {% block app_content %}
-    <h1>Reset Password</h1>
+    <h1>{{ _('Reset Password') }}</h1>
     <div class="row">
         <div class="col-md-4">
             {{ wtf.quick_form(form) }}

app/templates/user.html

@@ -5,18 +5,18 @@
         <tr>
             <td width="256px"><img src="{{ user.avatar(256) }}"></td>
             <td>
-                <h1>User: {{ user.username }}</h1>
+                <h1>{{ _('User') }}: {{ user.username }}</h1>
                 {% if user.about_me %}<p>{{ user.about_me }}</p>{% endif %}
                 {% if user.last_seen %}
-                <p>Last seen on: {{ moment(user.last_seen).format('LLL') }}</p>
+                <p>{{ _('Last seen on') }}: {{ moment(user.last_seen).format('LLL') }}</p>
                 {% endif %}
-                <p>{{ user.followers.count() }} followers, {{ user.followed.count() }} following.</p>
+                <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('edit_profile') }}">{{ _('Edit your profile') }}</a></p>
                 {% elif not current_user.is_following(user) %}
-                <p><a href="{{ url_for('follow', username=user.username) }}">Follow</a></p>
+                <p><a href="{{ url_for('follow', username=user.username) }}">{{ _('Follow') }}</a></p>
                 {% else %}
-                <p><a href="{{ url_for('unfollow', username=user.username) }}">Unfollow</a></p>
+                <p><a href="{{ url_for('unfollow', username=user.username) }}">{{ _('Unfollow') }}</a></p>
                 {% endif %}
             </td>
         </tr>
@@ -28,12 +28,12 @@
         <ul class="pager">
             <li class="previous{% if not prev_url %} disabled{% endif %}">
                 <a href="{{ prev_url or '#' }}">
-                    <span aria-hidden="true">&larr;</span> Newer posts
+                    <span aria-hidden="true">&larr;</span> {{ _('Newer posts') }}
                 </a>
             </li>
             <li class="next{% if not next_url %} disabled{% endif %}">
                 <a href="{{ next_url or '#' }}">
-                    Older posts <span aria-hidden="true">&rarr;</span>
+                    {{ _('Older posts') }} <span aria-hidden="true">&rarr;</span>
                 </a>
             </li>
         </ul>

app/translations/es/LC_MESSAGES/messages.po

@@ -0,0 +1,259 @@
+# Spanish translations for PROJECT.
+# Copyright (C) 2017 ORGANIZATION
+# This file is distributed under the same license as the PROJECT project.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2017.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: PROJECT VERSION\n"
+"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
+"POT-Creation-Date: 2017-10-03 15:49-0700\n"
+"PO-Revision-Date: 2017-09-29 23:25-0700\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language: es\n"
+"Language-Team: es <LL@li.org>\n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.5.1\n"
+
+#: app/__init__.py:20
+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:30
+msgid "Your post is now live!"
+msgstr "¡Tu artículo ha sido publicado!"
+
+#: app/routes.py:66
+msgid "Invalid username or password"
+msgstr "Nombre de usuario o contraseña inválidos"
+
+#: app/routes.py:92
+msgid "Congratulations, you are now a registered user!"
+msgstr "¡Felicitaciones, ya eres un usuario registrado!"
+
+#: app/routes.py:107
+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:124
+msgid "Your password has been reset."
+msgstr "Tu contraseña ha sido cambiada."
+
+#: app/routes.py:152
+msgid "Your changes have been saved."
+msgstr "Tus cambios han sido salvados."
+
+#: app/routes.py:157 app/templates/edit_profile.html:5
+msgid "Edit Profile"
+msgstr "Editar Perfil"
+
+#: app/routes.py:166 app/routes.py:182
+#, python-format
+msgid "User %(username)s not found."
+msgstr "El usuario %(username)s no ha sido encontrado."
+
+#: app/routes.py:169
+msgid "You cannot follow yourself!"
+msgstr "¡No te puedes seguir a tí mismo!"
+
+#: app/routes.py:173
+#, python-format
+msgid "You are following %(username)s!"
+msgstr "¡Ahora estás siguiendo a %(username)s!"
+
+#: app/routes.py:185
+msgid "You cannot unfollow yourself!"
+msgstr "¡No te puedes dejar de seguir a tí mismo!"
+
+#: app/routes.py:189
+#, python-format
+msgid "You are not following %(username)s."
+msgstr "No estás siguiendo a %(username)s."
+
+#: app/templates/404.html:4
+msgid "Not Found"
+msgstr "Página No Encontrada"
+
+#: app/templates/404.html:5 app/templates/500.html:6
+msgid "Back"
+msgstr "Atrás"
+
+#: app/templates/500.html:4
+msgid "An unexpected error has occurred"
+msgstr "Ha ocurrido un error inesperado"
+
+#: 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/templates/_post.html:9
+#, python-format
+msgid "%(username)s said %(when)s"
+msgstr "%(username)s dijo %(when)s"
+
+#: app/templates/base.html:4
+msgid "Welcome to Microblog"
+msgstr "Bienvenido a Microblog"
+
+#: app/templates/base.html:21
+msgid "Home"
+msgstr "Inicio"
+
+#: app/templates/base.html:22
+msgid "Explore"
+msgstr "Explorar"
+
+#: app/templates/base.html:33
+msgid "Login"
+msgstr "Ingresar"
+
+#: app/templates/base.html:35
+msgid "Profile"
+msgstr "Perfil"
+
+#: app/templates/base.html:36
+msgid "Logout"
+msgstr "Salir"
+
+#: app/templates/index.html:5
+#, python-format
+msgid "Hi, %(username)s!"
+msgstr "¡Hola, %(username)s!"
+
+#: app/templates/index.html:17 app/templates/user.html:31
+msgid "Newer posts"
+msgstr "Artículos siguientes"
+
+#: app/templates/index.html:22 app/templates/user.html:36
+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"
+
+#: app/templates/user.html:11
+msgid "Last seen on"
+msgstr "Última visita"
+
+#: app/templates/user.html:13
+#, python-format
+msgid "%(count)d followers"
+msgstr "%(count)d seguidores"
+
+#: app/templates/user.html:13
+#, python-format
+msgid "%(count)d following"
+msgstr "siguiendo a %(count)d"
+
+#: app/templates/user.html:15
+msgid "Edit your profile"
+msgstr "Editar tu perfil"
+
+#: app/templates/user.html:17
+msgid "Follow"
+msgstr "Seguir"
+
+#: app/templates/user.html:19
+msgid "Unfollow"
+msgstr "Dejar de seguir"
+

babel.cfg

@@ -0,0 +1,3 @@
+[python: app/**.py]
+[jinja2: app/templates/**.html]
+extensions=jinja2.ext.autoescape,jinja2.ext.with_

config.py

@@ -13,4 +13,5 @@ class Config(object):
     MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
     MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
     ADMINS = ['your-email@example.com']
+    LANGUAGES = ['en', 'es']
     POSTS_PER_PAGE = 25

microblog.py

@@ -1,4 +1,4 @@
-from app import app, db
+from app import app, db, cli
 from app.models import User, Post