.gitignore

@@ -2,6 +2,8 @@
 app/static/gen/
 volumes/
 docker-compose.override.yml
+logs/
+!logs/dummy
 *.env
 
 *.pjentsch-testing

Dockerfile

@@ -46,6 +46,7 @@ COPY --chown=nopaque:nopaque app app
 COPY --chown=nopaque:nopaque migrations migrations
 COPY --chown=nopaque:nopaque tests tests
 COPY --chown=nopaque:nopaque boot.sh config.py wsgi.py ./
+RUN mkdir logs
 
 
 EXPOSE 5000

README.md

@@ -35,7 +35,7 @@ username@hostname:~$ sudo mount --types cifs --options gid=${USER},password=nopa
 # Clone the nopaque repository
 username@hostname:~$ git clone https://gitlab.ub.uni-bielefeld.de/sfb1288inf/nopaque.git
 # Create data directories
-username@hostname:~$ mkdir volumes/{db,mq}
+username@hostname:~$ mkdir data/{db,logs,mq}
 username@hostname:~$ cp db.env.tpl db.env
 username@hostname:~$ cp .env.tpl .env
 # Fill out the variables within these files.

app/__init__.py

@@ -14,11 +14,10 @@ from flask_sqlalchemy import SQLAlchemy
 from flask_hashids import Hashids
 
 
-docker_client = DockerClient.from_env()
-
 apifairy = APIFairy()
 assets = Environment()
 db = SQLAlchemy()
+docker_client = DockerClient()
 hashids = Hashids()
 login = LoginManager()
 ma = Marshmallow()
@@ -29,129 +28,80 @@ scheduler = APScheduler()
 socketio = SocketIO()
 
 
-def create_app(config: Config = Config) -> Flask:
-    ''' Creates an initialized Flask object. '''
+# TODO: Create export for lemmatized corpora
 
+
+def create_app(config: Config = Config) -> Flask:
+    ''' Creates an initialized Flask (WSGI Application) object. '''
     app = Flask(__name__)
     app.config.from_object(config)
-
-    _configure_logging(app)
-    _configure_middlewares(app)
-    _init_docker_client(app)
-    _init_extensions(app)
-    _register_blueprints(app)
-    _register_socketio_namespaces(app)
-    _register_db_event_listeners(app)
-
-    return app
-
-
-def _configure_logging(app: Flask):
-    from flask.logging import default_handler
-    from logging import Formatter, StreamHandler
-
-    log_date_format: str = app.config['NOPAQUE_LOG_DATE_FORMAT']
-    log_format: str = app.config['NOPAQUE_LOG_FORMAT']
-    log_level: str = app.config['NOPAQUE_LOG_LEVEL']
-
-    formatter = Formatter(fmt=log_format, datefmt=log_date_format)
-    handler = StreamHandler()
-    handler.setFormatter(formatter)
-    handler.setLevel(log_level)
-
-    app.logger.removeHandler(default_handler)
-    app.logger.addHandler(handler)
-
-
-def _configure_middlewares(app: Flask):
-    from werkzeug.middleware.proxy_fix import ProxyFix
-
-    if app.config['NOPAQUE_PROXY_FIX_ENABLED']:
-        app.wsgi_app = ProxyFix(
-            app.wsgi_app,
-            x_for=app.config['NOPAQUE_PROXY_FIX_X_FOR'],
-            x_host=app.config['NOPAQUE_PROXY_FIX_X_HOST'],
-            x_port=app.config['NOPAQUE_PROXY_FIX_X_PORT'],
-            x_prefix=app.config['NOPAQUE_PROXY_FIX_X_PREFIX'],
-            x_proto=app.config['NOPAQUE_PROXY_FIX_X_PROTO']
-        )
-
-
-def _init_docker_client(app: Flask):
-    registry: str = app.config['NOPAQUE_DOCKER_REGISTRY']
-    username: str = app.config['NOPAQUE_DOCKER_REGISTRY_USERNAME']
-    password: str = app.config['NOPAQUE_DOCKER_REGISTRY_PASSWORD']
-
+    config.init_app(app)
     docker_client.login(
-        username,
-        password=password,
-        registry=registry
+        app.config['NOPAQUE_DOCKER_REGISTRY_USERNAME'],
+        password=app.config['NOPAQUE_DOCKER_REGISTRY_PASSWORD'],
+        registry=app.config['NOPAQUE_DOCKER_REGISTRY']
     )
 
-
-def _init_extensions(app: Flask):
-    from typing import Callable
-    from .daemon import daemon
-    from .models import AnonymousUser, User
-
-    is_primary_instance: bool = app.config['NOPAQUE_IS_PRIMARY_INSTANCE']
-    socketio_message_queue_uri: str = app.config['NOPAQUE_SOCKETIO_MESSAGE_QUEUE_URI']
-    login_user_loader_callback: Callable[[int], User | None] = lambda user_id: User.query.get(int(user_id))
-
     apifairy.init_app(app)
     assets.init_app(app)
     db.init_app(app)
     hashids.init_app(app)
     login.init_app(app)
-    login.anonymous_user = AnonymousUser
-    login.login_view = 'auth.login'
-    login.user_loader(login_user_loader_callback)
     ma.init_app(app)
     mail.init_app(app)
     migrate.init_app(app, db)
     paranoid.init_app(app)
-    paranoid.redirect_view = '/'
     scheduler.init_app(app)
-    if is_primary_instance:
-        scheduler.add_job('daemon', daemon, args=(app,), seconds=3, trigger='interval')
-    socketio.init_app(app, message_queue=socketio_message_queue_uri)
+    socketio.init_app(app, message_queue=app.config['NOPAQUE_SOCKETIO_MESSAGE_QUEUE_URI'])  # noqa
 
+    from .models import AnonymousUser, User
+    login.anonymous_user = AnonymousUser
+    login.login_view = 'auth.login'
+    @login.user_loader
+    def load_user(user_id):
+        return User.query.get(int(user_id))
+
+    paranoid.redirect_view = '/'
+
+    from .models.event_listeners import register_event_listeners
+    register_event_listeners()
 
-def _register_blueprints(app: Flask):
     from .admin import bp as admin_blueprint
-    from .api import bp as api_blueprint
-    from .auth import bp as auth_blueprint
-    from .contributions import bp as contributions_blueprint
-    from .corpora import bp as corpora_blueprint
-    from .errors import bp as errors_bp
-    from .jobs import bp as jobs_blueprint
-    from .main import bp as main_blueprint
-    from .services import bp as services_blueprint
-    from .settings import bp as settings_blueprint
-    from .users import bp as users_blueprint
-    from .workshops import bp as workshops_blueprint
-
     app.register_blueprint(admin_blueprint, url_prefix='/admin')
+
+    from .api import bp as api_blueprint
     app.register_blueprint(api_blueprint, url_prefix='/api')
+
+    from .auth import bp as auth_blueprint
     app.register_blueprint(auth_blueprint)
+
+    from .contributions import bp as contributions_blueprint
     app.register_blueprint(contributions_blueprint, url_prefix='/contributions')
+
+    from .corpora import bp as corpora_blueprint
+    from .corpora.cqi_over_sio import CQiNamespace
     app.register_blueprint(corpora_blueprint, cli_group='corpus', url_prefix='/corpora')
+    socketio.on_namespace(CQiNamespace('/cqi_over_sio'))
+
+    from .errors import bp as errors_bp
     app.register_blueprint(errors_bp)
+
+    from .jobs import bp as jobs_blueprint
     app.register_blueprint(jobs_blueprint, url_prefix='/jobs')
+
+    from .main import bp as main_blueprint
     app.register_blueprint(main_blueprint, cli_group=None)
+
+    from .services import bp as services_blueprint
     app.register_blueprint(services_blueprint, url_prefix='/services')
+
+    from .settings import bp as settings_blueprint
     app.register_blueprint(settings_blueprint, url_prefix='/settings')
+
+    from .users import bp as users_blueprint
     app.register_blueprint(users_blueprint, cli_group='user', url_prefix='/users')
+
+    from .workshops import bp as workshops_blueprint
     app.register_blueprint(workshops_blueprint, url_prefix='/workshops')
 
-
-def _register_socketio_namespaces(app: Flask):
-    from .corpora.cqi_over_sio import CQiOverSocketIO
-
-    socketio.on_namespace(CQiOverSocketIO('/cqi_over_sio'))
-
-
-def _register_db_event_listeners(app: Flask):
-    from .models.event_listeners import register_event_listeners
-
-    register_event_listeners()
+    return app

app/corpora/cqi_over_sio/__init__.py

@@ -19,7 +19,7 @@ This package tunnels the Corpus Query interface (CQi) protocol through
 Socket.IO (SIO) by tunneling CQi API calls through an event called "exec".
 
 Basic concept:
-1. A client connects to the namespace.
+1. A client connects to the "/cqi_over_sio" namespace.
 2. The client emits the "init" event and provides a corpus id for the corpus
    that should be analysed in this session.
      1.1 The analysis session counter of the corpus is incremented.
@@ -28,13 +28,14 @@ Basic concept:
      1.4 Connect the CQiClient to the server.
      1.5 Save the CQiClient, the Lock and the corpus id in the session for
          subsequential use.
-3. The client emits "exec" events, within which it provides the name of a CQi
-   API function and the corresponding arguments.
-     3.1 The "exec" event handler will execute the function, make sure that
-         the result is serializable and returns the result back to the client.
-4. The client disconnects from the namespace
-     4.1 The analysis session counter of the corpus is decremented.
-     4.2 The CQiClient and (Mutex) Lock belonging to it are teared down.
+2. The client emits the "exec" event provides the name of a CQi API function
+   arguments (optional).
+     - The event "exec" handler will execute the function, make sure that the
+       result is serializable and returns the result back to the client.
+4. Wait for more events
+5. The client disconnects from the "/cqi_over_sio" namespace
+     1.1 The analysis session counter of the corpus is decremented.
+     1.2 The CQiClient and (Mutex) Lock belonging to it are teared down.
 '''
 
 CQI_API_FUNCTION_NAMES: List[str] = [
@@ -85,7 +86,7 @@ CQI_API_FUNCTION_NAMES: List[str] = [
 ]
 
 
-class CQiOverSocketIO(Namespace):
+class CQiNamespace(Namespace):
     @socketio_login_required
     def on_connect(self):
         pass

app/corpora/routes.py

@@ -14,7 +14,7 @@ from .forms import CreateCorpusForm
 
 @bp.route('')
 def corpora():
-    return redirect(url_for('main.dashboard', _anchor='corpora'))
+    return render_template('corpora/corpora.html.j2', title='Corpora')
 
 
 @bp.route('/create', methods=['GET', 'POST'])

app/daemon/__init__.py

@@ -1,5 +1,5 @@
-from flask import Flask
 from app import db
+from flask import Flask
 from .corpus_utils import check_corpora
 from .job_utils import check_jobs
 

app/jobs/routes.py

@@ -12,7 +12,8 @@ from . import bp
 
 @bp.route('')
 def jobs():
-    return redirect(url_for('main.dashboard', _anchor='jobs'))
+    # return redirect(url_for('main.dashboard', _anchor='jobs'))
+    return render_template('jobs/jobs.html.j2', title='Jobs')
 
 
 @bp.route('/<hashid:job_id>')

app/static/css/nopaque-icons.css

@@ -35,67 +35,3 @@
   /* Support for IE. */
   font-feature-settings: 'liga';
 }
-
-[data-nopaque-icon="speedometer"] {
-  --nopaque-icon-character: "A";
-  --nopaque-negative-icon-character: "a";
-}
-
-[data-nopaque-icon="cloud-processes"] {
-  --nopaque-icon-character: "B";
-  --nopaque-negative-icon-character: "b";
-}
-
-[data-nopaque-icon="account-circle"] {
-  --nopaque-icon-character: "C";
-  --nopaque-negative-icon-character: "c";
-}
-
-[data-nopaque-icon="meshed-gears"] {
-  --nopaque-icon-character: "D";
-  --nopaque-negative-icon-character: "d";
-}
-
-[data-nopaque-icon="file-setup-pipeline"] {
-  --nopaque-icon-character: "E";
-  --nopaque-negative-icon-character: "e";
-}
-
-[data-nopaque-icon="tesseract-ocr-pipeline"],
-[data-nopaque-icon="transkribus-htr-pipeline"] {
-  --nopaque-icon-character: "F";
-  --nopaque-negative-icon-character: "f";
-}
-
-[data-nopaque-icon="spacy-nlp-pipeline"] {
-  --nopaque-icon-character: "G";
-  --nopaque-negative-icon-character: "g";
-}
-
-[data-nopaque-icon="corpus-analysis"] {
-  --nopaque-icon-character: "H";
-  --nopaque-negative-icon-character: "h";
-}
-
-[data-nopaque-icon="file-cabinet"] {
-  --nopaque-icon-character: "I";
-  --nopaque-negative-icon-character: "i";
-}
-
-[data-nopaque-icon="suitcase"] {
-  --nopaque-icon-character: "J";
-  --nopaque-negative-icon-character: "j";
-}
-
-[data-nopaque-icon="wrench"] {
-  --nopaque-icon-character: "K";
-  --nopaque-negative-icon-character: "k";
-}
-
-.nopaque-icons[data-nopaque-icon]:empty::before {
-    content: var(--nopaque-icon-character);
-}
-
-.nopaque-icons.negative[data-nopaque-icon]:empty::before{
-    content: var(--nopaque-negative-icon-character);
-}

app/templates/_base/sidenav.html.j2

@@ -33,7 +33,7 @@
     <a class="waves-effect" href="{{ url_for('jobs.jobs') }}"><i class="nopaque-icons">J</i>My Jobs</a>
   </li>
   <li>
-    <a class="waves-effect" href="{{ url_for('contributions.contributions') }}"><i class="material-icons">new_label</i>My Contributions</a>
+    <a class="waves-effect" href="{{ url_for('main.dashboard', _anchor='contributions') }}"><i class="material-icons">new_label</i>My Contributions</a>
   </li>
 
   {# processes & services items #}

app/templates/corpora/corpora.html.j2

@@ -0,0 +1,38 @@
+{% extends "base.html.j2" %}
+
+
+{% block page_content %}
+<div class="container">
+  <h1>{{ title }}</h1>
+
+  <div class="card">
+    <div class="card-content">
+      <div class="corpus-list" data-user-id="{{ current_user.hashid }}"></div>
+    </div>
+    <div class="card-action right-align">
+      <a class="btn waves-effect waves-light" href="{{ url_for('corpora.create_corpus') }}">Create corpus<i class="material-icons right">add</i></a>
+    </div>
+  </div>
+</div>
+
+{#
+<div class="parallax-container">
+  <div class="parallax">
+    <img src="{{ url_for('static', filename='images/parallax_lq/01_books_antique_book_old.jpg') }}">
+  </div>
+</div>
+
+<div class="container">
+  <div style="position: relative; top: -225px;">
+    <div class="card white">
+      <div class="card-content">
+        <div class="corpus-list" data-user-id="{{ current_user.hashid }}"></div>
+      </div>
+      <div class="card-action right-align">
+        <a class="btn waves-effect waves-light" href="{{ url_for('corpora.create_corpus') }}">Create corpus<i class="material-icons right">add</i></a>
+      </div>
+    </div>
+  </div>
+</div>
+#}
+{% endblock page_content %}

app/templates/jobs/jobs.html.j2

@@ -0,0 +1,98 @@
+{% extends "base.html.j2" %}
+
+
+{% block page_content %}
+<div class="container">
+  <h1>{{ title }}</h1>
+
+  <div class="card">
+    <div class="card-content">
+      <div class="job-list" data-user-id="{{ current_user.hashid }}"></div>
+    </div>
+    <div class="card-action right-align">
+      <a class="btn modal-trigger waves-effect waves-light" data-target="create-job-modal">Create job<i class="material-icons right">add</i></a>
+    </div>
+  </div>
+
+  <div class="fixed-action-btn">
+    <a class="btn-floating btn-large">
+      <i class="large material-icons">add</i>
+    </a>
+    <ul>
+      <li>
+        <a class="btn-floating service-color darken tooltipped" data-position="left" data-tooltip="File Setup Pipeline" data-service="file-setup-pipeline">
+          <i class="nopaque-icons service-icons" data-service="file-setup-pipeline"></i>
+        </a>
+      </li>
+      <li>
+        <a class="btn-floating service-color darken tooltipped" data-position="left" data-tooltip="Tesseract OCR Pipeline" data-service="tesseract-ocr-pipeline">
+          <i class="nopaque-icons service-icons" data-service="tesseract-ocr-pipeline"></i>
+        </a>
+      </li>
+      {% if config.NOPAQUE_TRANSKRIBUS_ENABLED %}
+      <li>
+        <a class="btn-floating service-color darken tooltipped" data-position="left" data-tooltip="Transkribus HTR Pipeline" data-service="transkribus-htr-pipeline">
+          <i class="nopaque-icons service-icons" data-service="transkribus-htr-pipeline"></i>
+        </a>
+      </li>
+      {% endif %}
+      <li>
+        <a class="btn-floating service-color darken tooltipped" data-position="left" data-tooltip="SpaCy NLP Pipeline" data-service="spacy-nlp-pipeline">
+          <i class="nopaque-icons service-icons" data-service="spacy-nlp-pipeline"></i>
+        </a>
+      </li>
+    </ul>
+  </div>
+</div>
+
+{# 
+<div class="parallax-container">
+  <div class="parallax">
+    <img src="{{ url_for('static', filename='images/parallax_lq/01_books_antique_book_old.jpg') }}">
+  </div>
+</div>
+
+<div class="container">
+  <div class="fixed-action-btn">
+    <a class="btn-floating btn-large">
+      <i class="large material-icons">add</i>
+    </a>
+    <ul>
+      <li>
+        <a class="btn-floating service-color darken tooltipped" data-position="left" data-tooltip="File Setup Pipeline" data-service="file-setup-pipeline">
+          <i class="nopaque-icons service-icons" data-service="file-setup-pipeline"></i>
+        </a>
+      </li>
+      <li>
+        <a class="btn-floating service-color darken tooltipped" data-position="left" data-tooltip="Tesseract OCR Pipeline" data-service="tesseract-ocr-pipeline">
+          <i class="nopaque-icons service-icons" data-service="tesseract-ocr-pipeline"></i>
+        </a>
+      </li>
+      {% if config.NOPAQUE_TRANSKRIBUS_ENABLED %}
+      <li>
+        <a class="btn-floating service-color darken tooltipped" data-position="left" data-tooltip="Transkribus HTR Pipeline" data-service="transkribus-htr-pipeline">
+          <i class="nopaque-icons service-icons" data-service="transkribus-htr-pipeline"></i>
+        </a>
+      </li>
+      {% endif %}
+      <li>
+        <a class="btn-floating service-color darken tooltipped" data-position="left" data-tooltip="SpaCy NLP Pipeline" data-service="spacy-nlp-pipeline">
+          <i class="nopaque-icons service-icons" data-service="spacy-nlp-pipeline"></i>
+        </a>
+      </li>
+    </ul>
+  </div>
+
+  <div style="position: relative; top: -90px;">
+    <div class="card">
+      <div class="card-content">
+        <div class="job-list" data-user-id="{{ current_user.hashid }}"></div>
+      </div>
+      <div class="card-action right-align">
+        <a class="btn modal-trigger waves-effect waves-light" data-target="create-job-modal">Create job<i class="material-icons right">add</i></a>
+      </div>
+    </div>
+  </div>
+</div>
+#}
+{% endblock page_content %}

app/templates/main/dashboard.html.j2

@@ -9,6 +9,7 @@
 
     <div class="col s12" id="corpora">
       <h2>My Corpora</h2>
+      <p>Hallo <span class="pink-text">Audrey</span></p>
       <p>Create a corpus to interactively perform linguistic analysis.</p>
     </div>
 
@@ -33,6 +34,7 @@
         pre-processing step. You will need the result of each step for the
         next step.
       </p>
+      <p><b>Where is my Job data?</b> Don't worry, please read <a href="{{ url_for('main.news', _anchor='april-2022-update') }}">this news</a> entry</p>
     </div>
 
     <div class="col s12">
@@ -54,7 +56,7 @@
       <div class="card extension-selector hoverable service-color" data-service="tesseract-ocr-pipeline">
         <a href="{{ url_for('contributions.tesseract_ocr_pipeline_models') }}" style="position: absolute; width: 100%; height: 100%;"></a>
         <div class="card-content">
-          <span class="card-title">Tesseract OCR Pipeline Models</span>
+          <span class="card-title" data-service="tesseract-ocr-pipeline">Tesseract OCR Pipeline Models</span>
           <p>Here you can see and edit the models that you have created. You can also create new models.</p>
         </div>
       </div>

app/templates/main/index.html.j2

@@ -20,22 +20,22 @@
         <div class="col s12">
           <div class="row">
             <div class="col s12 m6 l3 center-align">
-              <i class="large nopaque-icons primary-color-text" data-nopaque-icon="speedometer"></i><br>
+              <i class="large nopaque-icons primary-color-text">A</i><br>
               <b class="primary-color-text">Speeds up your work</b>
               <p class="light">All tools provided by nopaque are carefully selected to provide a complete tool suite without being held up by compatibility issues.</p>
             </div>
             <div class="col s12 m6 l3 center-align">
-              <i class="large nopaque-icons primary-color-text" data-nopaque-icon="cloud-processes"></i><br>
+              <i class="large nopaque-icons primary-color-text">B</i><br>
               <b class="primary-color-text">Cloud infrastructure</b>
               <p class="light">All computational work is processed within nopaque’s cloud infrastructure. You don't need to install any software. Great, right?</p>
             </div>
             <div class="col s12 m6 l3 center-align">
-              <i class="large nopaque-icons primary-color-text" data-nopaque-icon="account-circle"></i><br>
+              <i class="large nopaque-icons primary-color-text">C</i><br>
               <b class="primary-color-text">User friendly</b>
               <p class="light">You can start right away without having to read mile-long manuals. All services come with default settings that make it easy for you to just get going. Also great, right?</p>
             </div>
             <div class="col s12 m6 l3 center-align">
-              <i class="large nopaque-icons primary-color-text" data-nopaque-icon="meshed-gears"></i><br>
+              <i class="large nopaque-icons primary-color-text">D</i><br>
               <b class="primary-color-text">Meshing processes</b>
               <p class="light">No matter where you step in, nopaque facilitates and accompanies your research. Its workflow perfectly ties in with your research process.</p>
             </div>

config.py

@@ -1,54 +1,47 @@
 from dotenv import load_dotenv
+from flask import Flask
+from logging.handlers import RotatingFileHandler
 from pathlib import Path
+from werkzeug.middleware.proxy_fix import ProxyFix
+import logging
 import os
 
 
-BASE_DIR = os.path.abspath(os.path.dirname(__file__))
-ENV_FILE = os.path.join(BASE_DIR, 'nopaque.env')
-
-
-if os.path.isfile(ENV_FILE):
-    load_dotenv(ENV_FILE)
+basedir = os.path.abspath(os.path.dirname(__file__))
+load_dotenv(os.path.join(basedir, 'nopaque.env'))
 
 
 class Config:
-    ''' Configuration class for the Flask application. '''
-
-    # region APIFairy
+    ''' APIFairy '''
     APIFAIRY_TITLE = 'nopaque'
     APIFAIRY_VERSION = '0.0.1'
-    APIFAIRY_APISPEC_PATH = '/api/apispec.json'
     APIFAIRY_UI = 'swagger_ui'
-    APIFAIRY_UI_PATH = '/api/docs'
-    # endregion APIFairy
+    APIFAIRY_APISPEC_PATH = '/api/apispec.json'
+    APIFAIRY_UI_PATH = '/api'
 
-
-    # region Flask
-    DEBUG = os.environ.get('FLASK_DEBUG', 'false').lower() == 'true'
+    ''' # Flask # '''
+    APPLICATION_ROOT = os.environ.get('APPLICATION_ROOT', '/')
     PREFERRED_URL_SCHEME = os.environ.get('PREFERRED_URL_SCHEME', 'http')
     SECRET_KEY = os.environ.get('SECRET_KEY', 'hard to guess string')
     SERVER_NAME = os.environ.get('SERVER_NAME', 'localhost:5000')
-    SESSION_COOKIE_SECURE = os.environ.get('SESSION_COOKIE_SECURE', 'false').lower() == 'true'
-    # endregion Flask
+    SESSION_COOKIE_SECURE = \
+        os.environ.get('SESSION_COOKIE_SECURE', 'false').lower() == 'true'
 
+    ''' # Flask-APScheduler # '''
+    JOBS = []
 
-    # region Flask-Assets
+    ''' # Flask-Assets '''
     ASSETS_DEBUG = os.environ.get('ASSETS_DEBUG', 'false').lower() == 'true'
-    # endregion Flask-Assets
 
-
-    # region Flask-Hashids
+    ''' # Flask-Hashids '''
     HASHIDS_MIN_LENGTH = int(os.environ.get('HASHIDS_MIN_LENGTH', '16'))
     HASHIDS_SALT = os.environ.get('HASHIDS_SALT', 'hard to guess string')
-    # endregion Flask-Hashids
 
+    ''' # Flask-Login # '''
+    REMEMBER_COOKIE_SECURE = \
+        os.environ.get('REMEMBER_COOKIE_SECURE', 'false').lower() == 'true'
 
-    # region Flask-Login
-    REMEMBER_COOKIE_SECURE = os.environ.get('REMEMBER_COOKIE_SECURE', 'false').lower() == 'true'
-    # endregion Flask-Login
-
-
-    # region Flask-Mail
+    ''' # Flask-Mail # '''
     MAIL_DEFAULT_SENDER = os.environ.get('MAIL_DEFAULT_SENDER')
     MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
     MAIL_SERVER = os.environ.get('MAIL_SERVER')
@@ -56,53 +49,125 @@ class Config:
     MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
     MAIL_USE_SSL = os.environ.get('MAIL_USE_SSL', 'false').lower() == 'true'
     MAIL_USE_TLS = os.environ.get('MAIL_USE_TLS', 'false').lower() == 'true'
-    # endregion Flask-Mail
 
-
-    # region Flask-SQLAlchemy
-    SQLALCHEMY_DATABASE_URI = os.environ.get(
-        'SQLALCHEMY_DATABASE_URI',
-        f'sqlite:///{BASE_DIR}/data.sqlite'
-    )
+    ''' # Flask-SQLAlchemy # '''
+    SQLALCHEMY_DATABASE_URI = \
+        os.environ.get('SQLALCHEMY_DATABASE_URI') \
+        or f'sqlite:///{os.path.join(basedir, "data.sqlite")}'
     SQLALCHEMY_RECORD_QUERIES = True
     SQLALCHEMY_TRACK_MODIFICATIONS = False
-    # endregion Flask-SQLAlchemy
 
-
-    # region nopaque
+    ''' # nopaque # '''
     NOPAQUE_ADMIN = os.environ.get('NOPAQUE_ADMIN')
     NOPAQUE_DATA_DIR = Path(os.environ.get('NOPAQUE_DATA_PATH', '/mnt/nopaque'))
-    NOPAQUE_IS_PRIMARY_INSTANCE = os.environ.get('NOPAQUE_IS_PRIMARY_INSTANCE', 'true').lower() == 'true'
+    NOPAQUE_IS_PRIMARY_INSTANCE = \
+        os.environ.get('NOPAQUE_IS_PRIMARY_INSTANCE', 'true').lower() == 'true'
     NOPAQUE_MAIL_SUBJECT_PREFIX = '[nopaque]'
     NOPAQUE_SERVICE_DESK = 'gitlab-ub-incoming+sfb1288inf-nopaque-1324-issue-@jura.uni-bielefeld.de'  # noqa
-    NOPAQUE_SOCKETIO_MESSAGE_QUEUE_URI = os.environ.get('NOPAQUE_SOCKETIO_MESSAGE_QUEUE_URI')
+    NOPAQUE_SOCKETIO_MESSAGE_QUEUE_URI = \
+        os.environ.get('NOPAQUE_SOCKETIO_MESSAGE_QUEUE_URI')
+
+    NOPAQUE_JOB_EXPIRATION_ENABLED = os.environ.get('NOPAQUE_JOB_EXPIRATION_ENABLED', 'true').lower() == 'true'
+    NOPAQUE_JOB_EXPIRATION_TIME = int(os.environ.get('NOPAQUE_JOB_EXPIRATION_TIME', '120'))
 
     NOPAQUE_DOCKER_REGISTRY = 'gitlab.ub.uni-bielefeld.de:4567'
     NOPAQUE_DOCKER_IMAGE_PREFIX = f'{NOPAQUE_DOCKER_REGISTRY}/sfb1288inf/'
-    NOPAQUE_DOCKER_NETWORK_NAME = os.environ.get('DOCKER_NETWORK_NAME', 'nopaque')
-    NOPAQUE_DOCKER_REGISTRY_USERNAME = os.environ.get('NOPAQUE_DOCKER_REGISTRY_USERNAME')
-    NOPAQUE_DOCKER_REGISTRY_PASSWORD = os.environ.get('NOPAQUE_DOCKER_REGISTRY_PASSWORD')
+    NOPAQUE_DOCKER_NETWORK_NAME = \
+        os.environ.get('DOCKER_NETWORK_NAME', 'nopaque')
+    NOPAQUE_DOCKER_REGISTRY_USERNAME = \
+        os.environ.get('NOPAQUE_DOCKER_REGISTRY_USERNAME')
+    NOPAQUE_DOCKER_REGISTRY_PASSWORD = \
+        os.environ.get('NOPAQUE_DOCKER_REGISTRY_PASSWORD')
 
-    NOPAQUE_LOG_DATE_FORMAT = os.environ.get(
-        'NOPAQUE_LOG_DATE_FORMAT',
-        '%Y-%m-%d %H:%M:%S'
-    )
+    NOPAQUE_LOG_DATE_FORMAT = \
+        os.environ.get('NOPAQUE_LOG_DATE_FORMAT', '%Y-%m-%d %H:%M:%S')
     NOPAQUE_LOG_FORMAT = os.environ.get(
         'NOPAQUE_LOG_DATE_FORMAT',
-        '[%(asctime)s] %(levelname)s in %(pathname)s (function: %(funcName)s, line: %(lineno)d): %(message)s'
+        '[%(asctime)s] %(levelname)s in '
+        '%(pathname)s (function: %(funcName)s, line: %(lineno)d): %(message)s'
     )
-    NOPAQUE_LOG_LEVEL = os.environ.get('NOPAQUE_LOG_LEVEL', 'WARNING')
+    NOPAQUE_LOG_FILE_ENABLED = \
+        os.environ.get('NOPAQUE_LOG_FILE_ENABLED', 'false').lower() == 'true'
+    NOPAQUE_LOG_FILE_DIR = Path(os.environ.get('NOPAQUE_LOG_FILE_DIR', '/var/log/nopaque'))
+    NOPAQUE_LOG_FILE_LEVEL = \
+        os.environ.get('NOPAQUE_LOG_FILE_LEVEL', None)
+    NOPAQUE_LOG_STDERR_ENABLED = \
+        os.environ.get('NOPAQUE_LOG_STDERR_ENABLED', 'true').lower() == 'true'
+    NOPAQUE_LOG_STDERR_LEVEL = \
+        os.environ.get('NOPAQUE_LOG_STDERR_LEVEL', None)
 
-    NOPAQUE_PROXY_FIX_ENABLED = os.environ.get('NOPAQUE_PROXY_FIX_ENABLED', 'false').lower() == 'true'
-    NOPAQUE_PROXY_FIX_X_FOR = int(os.environ.get('NOPAQUE_PROXY_FIX_X_FOR', '0'))
-    NOPAQUE_PROXY_FIX_X_HOST = int(os.environ.get('NOPAQUE_PROXY_FIX_X_HOST', '0'))
-    NOPAQUE_PROXY_FIX_X_PORT = int(os.environ.get('NOPAQUE_PROXY_FIX_X_PORT', '0'))
-    NOPAQUE_PROXY_FIX_X_PREFIX = int(os.environ.get('NOPAQUE_PROXY_FIX_X_PREFIX', '0'))
-    NOPAQUE_PROXY_FIX_X_PROTO = int(os.environ.get('NOPAQUE_PROXY_FIX_X_PROTO', '0'))
+    NOPAQUE_PROXY_FIX_ENABLED = \
+        os.environ.get('NOPAQUE_PROXY_FIX_ENABLED', 'false').lower() == 'true'
+    NOPAQUE_PROXY_FIX_X_FOR = \
+        int(os.environ.get('NOPAQUE_PROXY_FIX_X_FOR', '0'))
+    NOPAQUE_PROXY_FIX_X_HOST = \
+        int(os.environ.get('NOPAQUE_PROXY_FIX_X_HOST', '0'))
+    NOPAQUE_PROXY_FIX_X_PORT = \
+        int(os.environ.get('NOPAQUE_PROXY_FIX_X_PORT', '0'))
+    NOPAQUE_PROXY_FIX_X_PREFIX = \
+        int(os.environ.get('NOPAQUE_PROXY_FIX_X_PREFIX', '0'))
+    NOPAQUE_PROXY_FIX_X_PROTO = \
+        int(os.environ.get('NOPAQUE_PROXY_FIX_X_PROTO', '0'))
 
-    NOPAQUE_TRANSKRIBUS_ENABLED = os.environ.get('NOPAQUE_TRANSKRIBUS_ENABLED', 'false').lower() == 'true'
+    NOPAQUE_TRANSKRIBUS_ENABLED = \
+        os.environ.get('NOPAQUE_TRANSKRIBUS_ENABLED', 'false').lower() == 'true'
     NOPAQUE_READCOOP_USERNAME = os.environ.get('NOPAQUE_READCOOP_USERNAME')
     NOPAQUE_READCOOP_PASSWORD = os.environ.get('NOPAQUE_READCOOP_PASSWORD')
 
     NOPAQUE_VERSION='1.0.2'
-    # endregion nopaque
+
+    @staticmethod
+    def init_app(app: Flask):
+        for handler in app.logger.handlers:
+            app.logger.removeHandler(handler)
+
+        log_formatter = logging.Formatter(
+            fmt=app.config['NOPAQUE_LOG_FORMAT'],
+            datefmt=app.config['NOPAQUE_LOG_DATE_FORMAT']
+        )
+
+        if app.config['NOPAQUE_LOG_STDERR_ENABLED']:
+            log_stderr_level: str | None = app.config['NOPAQUE_LOG_STDERR_LEVEL']
+            stream_handler = logging.StreamHandler()
+            stream_handler.setFormatter(log_formatter)
+            if log_stderr_level is not None:
+                stream_handler.setLevel(log_stderr_level)
+            app.logger.addHandler(stream_handler)
+
+        if app.config['NOPAQUE_LOG_FILE_ENABLED']:
+            log_file_dir: Path = app.config['NOPAQUE_LOG_FILE_DIR']
+            log_file_level: str | None = app.config['NOPAQUE_LOG_FILE_LEVEL']
+            if not log_file_dir.exists():
+                log_file_dir.mkdir()
+            rotating_file_handler = RotatingFileHandler(
+                log_file_dir / 'nopaque.log',
+                maxBytes=10_240,
+                backupCount=10
+            )
+            rotating_file_handler.setFormatter(log_formatter)
+            if log_file_level is not None:
+                rotating_file_handler.setLevel(log_file_level)
+            app.logger.addHandler(rotating_file_handler)
+
+        if app.config['NOPAQUE_PROXY_FIX_ENABLED']:
+            # Set up and apply the ProxyFix middleware according to the
+            # corresponding (NOPAQUE_PROXY_FIX_*) configurations
+            app.wsgi_app = ProxyFix(
+                app.wsgi_app,
+                x_for=app.config['NOPAQUE_PROXY_FIX_X_FOR'],
+                x_host=app.config['NOPAQUE_PROXY_FIX_X_HOST'],
+                x_port=app.config['NOPAQUE_PROXY_FIX_X_PORT'],
+                x_prefix=app.config['NOPAQUE_PROXY_FIX_X_PREFIX'],
+                x_proto=app.config['NOPAQUE_PROXY_FIX_X_PROTO']
+            )
+
+        if app.config['NOPAQUE_IS_PRIMARY_INSTANCE']:
+           app.config['JOBS'].append(
+                {
+                    "id": "daemon",
+                    "func": "app.daemon:daemon",
+                    "args": (app,),
+                    "trigger": "interval",
+                    "seconds": 3,
+                }
+           )

nopaque.env.tpl

@@ -7,6 +7,9 @@
 # Flask                                                                      #
 # https://flask.palletsprojects.com/en/1.1.x/config/                         #
 ##############################################################################
+# DEFAULT: /
+# APPLICATION_ROOT=
+
 # CHOOSE ONE: http, https
 # DEFAULT: http
 # PREFERRED_URL_SCHEME=
@@ -138,9 +141,24 @@ NOPAQUE_DOCKER_REGISTRY_PASSWORD=
 # DEFAULT: [%(asctime)s] %(levelname)s in %(pathname)s (function: %(funcName)s, line: %(lineno)d): %(message)s
 # NOPAQUE_LOG_FORMAT=
 
+# CHOOSE ONE: False, True
+# DEFAULT: False
+# NOPAQUE_LOG_FILE_ENABLED=
+
+# DEFAULT: /var/log/nopaque
+# NOPAQUE_LOG_FILE_DIR=
+
 # DEFAULT: DEBUG if FLASK_DEBUG == True else WARNING
 # CHOOSE ONE: CRITICAL, ERROR, WARNING, INFO, DEBUG
-# NOPAQUE_LOG_LEVEL=
+# NOPAQUE_LOG_FILE_LEVEL=
+
+# CHOOSE ONE: False, True
+# DEFAULT: True
+# NOPAQUE_LOG_STDERR_ENABLED=
+
+# DEFAULT: DEBUG if FLASK_DEBUG == True else WARNING
+# CHOOSE ONE: CRITICAL, ERROR, WARNING, INFO, DEBUG
+# NOPAQUE_LOG_STDERR_LEVEL=
 
 # CHOOSE ONE: False, True
 # DEFAULT: False