Initialize web things.

config.py

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+WTF_CSRF_ENABLED = True
+SECRET_KEY = 'scrambled-eggs'

flaskr/__init__.py

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+from flask import Flask
+from flask_bootstrap import Bootstrap
+
+app = Flask(__name__)
+app.config.from_object('config')
+bootstrap = Bootstrap(app)
+
+from flaskr import views

flaskr/forms.py

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+from flask_wtf import FlaskForm
+from wtforms import StringField, SelectField
+from wtforms.validators import DataRequired, URL
+
+
+class MyInputBox(FlaskForm):
+    uri = StringField("uri", validators=[URL()])
+    subject = StringField("subject")
+    language = SelectField(
+        u"Choose language",
+        choices=[
+            ("ttl", "ttl"),
+            ("xml", "rdf/xml"),
+            ("json-ld", "json-ld"),
+            ("nt", "ntriples"),
+        ],
+        validators=[DataRequired()],
+    )

flaskr/templates/base.html

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+{# ``base.html`` is the template all our other templates derive from. While
+   Flask-Bootstrap ships with its own base, it is good form to create a custom
+   one for our app, as it allows customizing some aspects.
+
+   Deriving from bootstap/base.html gives us a basic page scaffoling.
+
+   You can find additional information about template inheritance at
+
+   http://jinja.pocoo.org/docs/templates/#template-inheritance
+#}
+{%- extends "bootstrap/base.html" %}
+
+{# We also set a default title, usually because we might forget to set one.
+   In our sample app, we will most likely just opt not to change it #}
+{% block title %}Sample App for Flask-Bootstrap{% endblock %}
+
+{# While we are at it, we also enable fixes for legacy browsers. First we
+   import the necessary macros: #}
+{% import "bootstrap/fixes.html" as fixes %}
+
+{# Then, inside the head block, we apply these. To not replace the header,
+   ``super()`` is used: #}
+{% block head %}
+{{super()}}
+
+{#- Docs: http://pythonhosted.org/Flask-Bootstrap/macros.html#fixes
+   The sample application already contains the required static files. #}
+{{fixes.ie8()}}
+{%- endblock %}
+
+{# Adding our own CSS files is also done here. Check the documentation at
+   http://pythonhosted.org/Flask-Bootstrap/basic-usage.html#available-blocks
+   for an overview. #}
+{% block styles -%}
+    {{super()}}  {# do not forget to call super or Bootstrap's own stylesheets
+                    will disappear! #}
+    <link rel="stylesheet" type="text/css"
+          href="{{url_for('static', filename='sample-app.css')}}">
+{% endblock %}
+
+{# Finally, round things out with navigation #}
+{% block navbar %}
+{{nav.frontend_top.render()}}
+{% endblock %}

flaskr/templates/test.html

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+{% extends "bootstrap/base.html" %}
+{% block title %}This is an example page{% endblock %}
+
+{% block navbar %}
+<div class="navbar navbar-fixed-top">
+  <!-- ... -->
+</div>
+{% endblock %}
+
+{% block content %}
+<div class="formwrapper">
+  <h1>RDF Inquisitor</h1>
+  <form action="/" method="post" name="search" class="navbar-form navbar-left">
+                                <div class="form-group">
+                                    {{ form.uri(class="form-control", size=50, placeholder="Specify URI") }}
+                                    {{ form.language()}}
+                                </div>
+                                {{ form.submit }}
+                                <input type="submit" value="Go">
+                            </form>
+    </div>
+    {% if results %}
+    {{results}}
+    {% endif %}
+{% endblock %}

flaskr/views.py

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+from flaskr import app
+from flask import render_template, request, Markup
+from inquisitor.question import RDFInquisitor
+from pygments import highlight
+from pygments.formatters import HtmlFormatter
+from pygments.lexers.rdf import TurtleLexer
+from .forms import MyInputBox
+
+
+@app.route('/', methods=['GET', 'POST'])
+@app.route('/index', methods=['GET', 'POST'])
+def index():
+    form = MyInputBox(request.form)
+    if request.method == 'POST':
+        #print(form.language.data)
+        print(form.subject.data)
+        code = RDFInquisitor(form.uri.data).flaskerize_rdf(form.language.data)
+        results = highlight(code, TurtleLexer(), HtmlFormatter(linenos=True, style="colorful", full=True))
+        return render_template('test.html', results=Markup(results), form=form)
+    else:
+        return render_template("test.html", form=form)

server.py

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+from flaskr import app
+import os
+
+port = int(os.getenv('PORT', 8080))
+host = os.getenv('IP', '0.0.0.0')
+app.run(host=host, port=port, debug=True)
+