Dev

.gitignore

@@ -93,6 +93,7 @@ venv.bak/
 # Spyder project settings
 .spyderproject
 .spyproject
+yandex_tokens.py
 
 # Rope project settings
 .ropeproject
@@ -105,3 +106,12 @@ venv.bak/
 
 # direnv
 .envrc
+
+# audio files:
+app/media/
+media/
+
+# ideas
+.idea/
+.vscode
+app.db

Dockerfile-flask

@@ -0,0 +1,24 @@
+# We simply inherit the Python 3 image. This image does
+# not particularly care what OS runs underneath
+FROM python:3
+# Set an environment variable with the directory
+# where we'll be running the app
+ENV APP /app
+# Create the directory and instruct Docker to operate
+# from there from now on
+RUN mkdir $APP
+WORKDIR $APP
+# Expose the port uWSGI will listen on
+EXPOSE 5000
+# Copy the requirements file in order to install
+# Python dependencies
+COPY requirements.txt .
+# App dependencies
+RUN apt-get update && apt-get install -y ffmpeg
+# Install Python dependencies
+RUN pip install -r requirements.txt
+# We copy the rest of the codebase into the image
+COPY . .
+# Finally, we run uWSGI with the ini file we
+# created earlier
+CMD [ "uwsgi", "--ini", "app.ini" ]

Dockerfile-nginx

@@ -0,0 +1,9 @@
+FROM nginx:latest
+# Nginx will listen on this port
+EXPOSE 80
+# Remove the default config file that
+# /etc/nginx/nginx.conf includes
+RUN rm /etc/nginx/conf.d/default.conf
+# We copy the requirements file in order to install
+# Python dependencies
+COPY app.conf /etc/nginx/conf.d

HOW TO RUN FLASK APP.md

@@ -0,0 +1,11 @@
+# HOW TO RUN FLASK APP
+```sh
+export FLASK_APP=eriwan_podcast.py
+export FLASK_DEBUG=1
+
+flask db init
+flask db migrate
+flask db upgrade
+
+flask run
+```

README.md

@@ -1,31 +1,33 @@
-# Eriwan
-This is a repository for the test task of Spherical Internship August 2019
+# Eriwan. Test task of Spherical Internship August 2019. Version 1.0
 
-First call agenda:
-1. Linter tool - flake8
-2. Git branch strategy
-3. Project environment: optional (majority for flake8)
-4. Python version: 3.7
-5. Pytest/unitest/nose: optional (majority for pytest)
-6. Code Master: pending
-6.1. Code review: first responder
-7. Data Base: Sqlite
-8. Flask
-9. Queue: celery?
-10. Upload file size limits: 20 Megabytes
-11. Audio file format: mp3?
-12. Frontend: Bootsrap + jinja
+## Eriwan
+-------------
+Web servis for public podcast creation where each user can add episodes and   
+admin could add jokes.   
+Jokes go through speech syntesis and concatinate with jingle before and after.  
+Episode's name go through speech syntesis and concatinate with episodes.
+Podcast destributed by RSS/Atom feed.
+Servis has admin and user authorisation forms. 
+Also admin can delete or change jokes.
 
-Podcast structure:
-1. 1st audio: jingle + joke + jungle;
-2. 2nd audio: name of episode + episode
-3. Podcast language: Russian
-4. Speech synthesis: gTTS
 
+## Usage
+-------------
+To use Eriwan you should follow next steps:  
+```
+export FLASK_APP=eriwan_podcast.py   
+flask run
+```
+or just go to http://68.183.145.62/     
+Required modules you can find in requirements.txt
 
-Poll results:
-1. First meeting time: 10:00 (GMT+3)
-2. Second meeting saturday 19.00 (GMT+3)
+## Contributing
+-------------
+It's a hackathon-like project, we know this might not be the perfect. If you have any ideas, just open an issue and tell us what you think.
 
+If you'd like to contribute, please fork the repository and make changes as you'd like. Pull requests are warmly welcome.
 
-3. Communication language: Russian
+
+## Licensing
+-------------
+This project is licensed under MIT license. This license allows unlimited redistribution for any purpose as long as its copyright notices and the license's disclaimers of warranty are maintained. 

app.conf

@@ -0,0 +1,9 @@
+server {
+    listen 80;
+    root /usr/share/nginx/html;
+    location / { try_files $uri @app; }
+    location @app {
+        include uwsgi_params;
+        uwsgi_pass flask:5000;
+    }
+}

app.ini

@@ -0,0 +1,16 @@
+[uwsgi]
+protocol = uwsgi
+; This is the name of our Python file
+; minus the file extension
+module = eriwan_podcast
+; This is the name of the variable
+; in our script that will be called
+callable = app
+master = true
+; Set uWSGI to start up 5 workers
+processes = 5
+; We use the port 5000 which we will
+; then expose on our Dockerfile
+socket = 0.0.0.0:5000
+vacuum = true
+die-on-term = true

app/__init__.py

@@ -0,0 +1,37 @@
+from flask import Flask
+from flask_migrate import Migrate
+from flask_sqlalchemy import SQLAlchemy
+from flask_login import LoginManager
+from flask_bootstrap import Bootstrap
+from flask_dropzone import Dropzone
+from flask_wtf.csrf import CSRFProtect
+
+from config import Config
+
+app = Flask(__name__)
+
+# using Config class from ./config.py
+app.config.from_object(Config)
+
+# database
+db = SQLAlchemy(app)
+migrate = Migrate(app, db)
+
+# authorization
+login_manager = LoginManager(app)
+
+#styles
+bootstrap = Bootstrap(app)
+
+from .rss import RssResponse
+app.response_class = RssResponse
+
+# podcast upload dropzone
+dropzone = Dropzone(app)
+csrf = CSRFProtect(app)
+
+
+# The routes module is imported at the bottom and not at the top of the script
+# as it is always done. The bottom import is a workaround to circular imports,
+# a common problem with Flask applications.
+from app import routes, models, errors

app/audio_utils.py

@@ -0,0 +1,28 @@
+from pydub import AudioSegment
+from gtts import gTTS
+import tempfile
+
+
+def text_to_speech(text):
+    """
+    takes text, makes Russian speech, saved into temporary mp3 file
+    """
+    temporary_file = tempfile.NamedTemporaryFile(suffix=".mp3", delete=False)
+    tts = gTTS(text=text, lang='ru')
+    tts.save(temporary_file.name)
+
+    return temporary_file.name
+
+
+def concatenate_audios(path_list, out_path):
+    """
+    Concatenate audios into one file
+    :param out_path: path for saving mp3 file
+    :param path_list: audio path list
+    :return:
+    """
+
+    res = AudioSegment.empty()
+    for audio_path in path_list:
+        res += AudioSegment.from_mp3(audio_path)
+    res.export(out_path, format='mp3')

app/errors.py

@@ -0,0 +1,15 @@
+# Handle route and server exceptions
+from flask import render_template
+from app import app
+from app import 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

app/forms.py

@@ -0,0 +1,105 @@
+from wtforms import StringField, PasswordField, SubmitField, BooleanField
+from wtforms.validators import DataRequired, Length, Email, EqualTo,\
+    ValidationError
+from flask_wtf import FlaskForm
+from flask_wtf.file import FileField, FileAllowed, FileRequired
+
+from app.models import User
+
+
+class RegistrationForm(FlaskForm):
+    username = StringField(
+        'Имя пользователя',
+        render_kw={"placeholder": "Ваше имя пользователя"},
+        validators=[
+            DataRequired(),
+            Length(min=2, max=64)])
+    email = StringField(
+        'Почтовый ящик',
+        render_kw={"placeholder": "you@example.com"},
+        validators=[
+            DataRequired(),
+            Email()])
+    password = PasswordField(
+        'Пароль',
+        validators=[
+            DataRequired(),
+            Length(min=3, max=25)])
+    confirm_password = PasswordField(
+        'Подтверждение пароля',
+        validators=[
+            DataRequired(),
+            Length(min=3, max=25),
+            EqualTo('password')])
+    submit = SubmitField('Зарегистрироваться')
+
+    @staticmethod
+    def validate_username(self, username):
+        user = User.query.filter_by(username=username.data).first()
+        if user:
+            raise ValidationError('Это имя пользователя уже занято. Пожалуйста \
+            выберите другое.')
+
+    @staticmethod
+    def validate_email(self, email):
+        email = User.query.filter_by(email=email.data).first()
+        if email:
+            raise ValidationError('Этот почтовый ящик уже занят. Пожалуйста \
+            выберите другое.')
+
+
+class LoginForm(FlaskForm):
+    username = StringField("Имя пользователя", validators=[DataRequired()])
+    password = PasswordField("Пароль", validators=[DataRequired()])
+    remember_me = BooleanField("Запомнить меня")
+    submit = SubmitField("Войти")
+
+
+class UploadJokeForm(FlaskForm):
+    """
+    Form for Jokes:
+    :parameter:
+    text - Joke text;
+    submit - submit button;
+    """
+    text = StringField('Текст шутки', validators=[DataRequired()])
+    submit = SubmitField('Сохранить')
+
+
+class EditJokeForm(FlaskForm):
+    text = StringField("Текст", validators=[DataRequired()])
+    submit = SubmitField("Редактировать")
+
+
+class EditUserProfileForm(FlaskForm):
+    username = StringField(
+        'Имя пользователя',
+        render_kw={"placeholder": "Новое имя пользователя"},
+        validators=[
+            DataRequired(),
+            Length(min=2, max=64)])
+    old_password = PasswordField(
+        'Старый пароль',
+        validators=[
+            DataRequired(),
+            Length(min=3, max=25)])
+    password = PasswordField(
+        'Новый пароль',
+        validators=[
+            DataRequired(),
+            Length(min=3, max=25)])
+    confirm_password = PasswordField(
+        'Подтверждение пароля',
+        validators=[
+            DataRequired(),
+            Length(min=3, max=25),
+            EqualTo('password')])
+    submit = SubmitField('Редактировать')
+
+
+class EpisodeUploadForm(FlaskForm):
+    file = FileField('Upload podcast', validators=[
+        FileRequired(),
+        FileAllowed(['mp3'], "Wrong format! Only mp3 format audio files")
+    ])
+    title = StringField('Имя подкаста', validators=[DataRequired()])