app/__init__.py

@@ -6,5 +6,3 @@ from flask_bootstrap import Bootstrap
 app = Flask(__name__)
 app.secret_key = SECRET_KEY
 bootstrap = Bootstrap(app)
-
-from app import errors, routes

app/errors.py

@@ -1,12 +0,0 @@
-from flask import render_template
-from app import app
-
-
-@app.errorhandler(404)
-def not_found_error(error):
-    return render_template("404.html"), 404
-
-
-@app.errorhandler(500)
-def internal_error(error):
-    return render_template("500.html"), 500

app/forms.py

@@ -1,9 +0,0 @@
-from constants import DATASETS
-from flask_wtf import FlaskForm
-from wtforms import SelectField, SubmitField
-from wtforms.validators import DataRequired
-
-
-class DatasetForm(FlaskForm):
-    dataset = SelectField(validators=[DataRequired()], choices=DATASETS)
-    submit = SubmitField("Submit")

app/routes.py

@@ -1,7 +1,6 @@
 from flask import render_template
 
 from app import app
-from app.forms import DatasetForm
 
 
 @app.route("/")
@@ -12,12 +11,4 @@ def index():
 
 @app.route("/data")
 def data():
-    form = DatasetForm()
+    return render_template("data.html", title="Data")
-    if form.validate_on_submit():
-        return render_template("visualization.html", form=form, title="Visualization")
-    return render_template("data.html", title="Data", form=form)
-
-
-@app.route("/visualization")
-def visualization():
-    return render_template("visualization.html", title="Visualization", form=form)

app/templates/404.html

@@ -1,6 +0,0 @@
-{% extends "base.html" %}
-
-{% block app_content %}
-    <h1>Sorry, we couldn't find that</h1>
-    <p><a href="{{ url_for('index') }}">Back</a></p>
-{% endblock %}

app/templates/500.html

@@ -1,8 +0,0 @@
-{% extends "base.html" %}
-
-{% block app_content %}
-    <h1>An unexpected error has occurred</h1>
-    <p>The administrator has been notified!</p>
-    <p>If he gets too many notifications, we might replace him with an AI</p>
-    <p><a href="{{ url_for('index') }}">Back</a></p>
-{% endblock %}

app/templates/base.html

@@ -29,6 +29,14 @@
 
 {% block content %}
 <div class="container">
+    {% with messages = get_flashed_messages() %}
+    {% if messages %}
+    {% for message in messages %}
+    <div class="alert alert-info" role="alert">{{ message }}</div>
+    {% endfor %}
+    {% endif %}
+    {% endwith %}
+
     {# application content needs to be provided in the app_content block #}
     {% block app_content %}{% endblock %}
 </div>

app/templates/data.html

@@ -1,12 +1,15 @@
 {% extends "base.html" %}
-{% import 'bootstrap/wtf.html' as wtf %}
 
-{% block app_content %}
+{% block content %}
-<h1>Select a dataset</h1>
+<h1 class="text-center">How you like your data?</h1>
-<div class="row">
+<li>
-    <div class="col-md-4">
+    <p class="text-center">
-        {{ wtf.quick_form(form) }}
+        <a href="{{ url_for('map_view') }}" class="btn btn-success" role="button" aria-pressed="true">Maps</a>
-    </div>
+    </p>
-</div>
+</li>
-<br>
+<li>
+    <p class="text-center">
+        <a href="{{ url_for('plot_view') }}" class="btn btn-success" role="button" aria-pressed="true">Plots</a>
+    </p>
+</li>
 {% endblock %}

app/templates/visualization.html

@@ -1,9 +0,0 @@
-{% extends "base.html" %}
-{% import 'bootstrap/wtf.html' as wtf %}
-
-{% block app_content %}
-<h1>Dataset visualization</h1>
-<img src="data:image/png;base64,{{ plot }}" alt="Image Placeholder">
-<img src="data:image/png;base64,{{ map }}" alt="Image Placeholder">
-<p><a href="{{ url_for('data') }}">Back</a></p>
-{% endblock %}

shell.nix

@@ -10,7 +10,6 @@ pkgs.mkShell {
     flask
     flask-bootstrap
     flask_wtf
-    matplotlib
     folium
     pytest
     # Development tools