Added flask framework

Author: fRui Apps

flasknotes/README

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+This is a simple flask application, that performs CRUD operations. 
+
+        1. make a virtualenv
+            2. ``pip install -r requirements.txt``
+                3. ``python manage.py initdb``
+                    4. ``python manage.py runserver``
+
+the documentation is available at blog.fruiapps.com

flasknotes/__init__.py

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+

flasknotes/forms.py

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+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+from flaskext import wtf
+from flaskext.wtf import validators
+
+
+class NotesForm(wtf.Form):
+
+    subject_list = [('0', 'English'), ('1', 'Philosophy'), ('2',
+                    'Theology'), ('3', 'Mathematics')]
+
+    title = wtf.StringField('Title', validators=[validators.Required()])
+    author = wtf.StringField('Author',
+                             validators=[validators.Required()])
+    description = wtf.TextAreaField('Description',
+                                    validators=[validators.Required()])
+    subject = wtf.SelectField(choices=subject_list)

flasknotes/manage.py

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+from flask.ext.script import Manager
+from notes import app, db
+
+manager = Manager(app)
+
+
+@manager.command
+def initdb():
+    """Creates all database tables."""
+    db.create_all()
+
+
+@manager.command
+def dropdb():
+    """Drops all database tables."""
+    db.drop_all()
+
+
+if __name__ == '__main__':
+    manager.run()

flasknotes/models.py

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+#!/usr/bin/python
+# -*- coding: utf-8 -*-

flasknotes/notes.py

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+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+from datetime import datetime
+from flask import Flask, request, render_template, flash, url_for, \
+    redirect
+from flaskext import wtf
+from flaskext.wtf import validators
+
+from forms import NotesForm
+
+app = Flask(__name__)
+app.config.from_pyfile('settings.py')
+from flask.ext.sqlalchemy import SQLAlchemy
+db = SQLAlchemy(app)
+
+
+class Notes(db.Model):
+
+    id = db.Column(db.Integer, primary_key=True)
+    title = db.Column(db.String(80))
+    subject = db.Column(db.String(80))
+    author = db.Column(db.String(80))
+    description = db.Column(db.Text)
+    pub_date = db.Column(db.Date)
+
+    def __init__(
+        self,
+        title,
+        author,
+        description,
+        subject,
+        ):
+        self.title = title
+        self.author = author
+        self.description = description
+        self.subject = subject
+        self.pub_date = datetime.now()
+
+
+@app.route('/')
+def redirect_to_home():
+    return redirect(url_for('list_notes'))
+
+
+@app.route('/notes/')
+def list_notes():
+    notes = Notes.query.all()
+    return render_template('index.html', notes=notes)
+
+
+@app.route('/notes/create/', methods=['GET', 'POST'])
+def create():
+    form = NotesForm()
+    if request.method == 'POST':
+        if form.validate_on_submit():
+            note = Notes(form.title.data, form.author.data,
+                         form.description.data, form.subject.data)
+            db.session.add(note)
+            db.session.commit()
+            flash('Note saved on database.')
+            return redirect(url_for('list_notes'))
+    return render_template('note.html', form=form)
+
+
+@app.route('/notes/delete/<int:note_id>', methods=['GET'])
+def delete(note_id):
+    note = Notes.query.get_or_404(note_id)
+    db.session.delete(note)
+    db.session.commit()
+    flash('Note Deleted')
+    return redirect(url_for('list_notes'))
+
+
+@app.route('/notes/edit/<int:note_id>', methods=['GET', 'POST'])
+def edit(note_id):
+    note = Notes.query.get_or_404(note_id)
+    form = NotesForm(obj=note)
+    if request.method == 'POST':
+        print request.form
+        if form.validate_on_submit():
+            print request.form['title']
+            note.title = request.form['title']
+            note.author = request.form['author']
+            note.description = request.form['description']
+            note.subject = request.form['subject']
+            db.session.add(note)
+            db.session.commit()
+        return redirect(url_for('list_notes'))
+    else:
+        return render_template('note.html', form=form)

flasknotes/requirements.txt

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+Flask
+Flask-SQLAlchemy
+Flask-Script
+Flask-WTF
+

flasknotes/settings.py

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+DEBUG=False
+SQLALCHEMY_DATABASE_URI='sqlite:///notes_.db'
+SECRET_KEY='development-key'
+CSRF_ENABLED=True
+
+
+

flasknotes/static/style.css

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+.sticky {
+-webkit-box-shadow: #DDD 0px 1px 2px;
+position: relative;
+background-color: #F4F39E;
+border-color: #DEE184;
+text-align: center;
+margin: 2.5em 0px;
+padding: 1.5em 1em;
+-webkit-box-shadow: 0px 1px 3px rgba(0,0,0,0.25);
+-moz-box-shadow: 0px 1px 3px rgba(0,0,0,0.25);
+box-shadow: 0px 1px 3px rgba(0,0,0,0.25);
+font-family: Chalkboard, 'Comic Sans';
+}

flasknotes/templates/base.html

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+<!doctype html>
+<head>
+  <title>Notes Application</title>
+  <meta http-equiv="Content-type" content="text/html; charset=utf-8"/>
+  <link rel=stylesheet type=text/css href="{{ url_for('static', filename='style.css') }}">
+</head>
+<body>
+  {% for message in get_flashed_messages() %}
+  <p class=flash>{{ message }}</p>
+  {% endfor %}
+  {% block content %}
+  {% endblock content %}
+</body>
+</html>
+

flasknotes/templates/index.html

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+{% extends "base.html" %}
+{% block content %}
+<h1>Hello World! </h1>
+<p>You can <a href="{{ url_for('create') }}">create notes</a>, delete notes and edit created notes.
+Thats all!</p>
+
+{% for note in notes %}
+<div class="sticky">
+<b> {{ note.title }} </b>
+<p>{{ note.author }}</p>
+<p>{{ note.description }}</p>
+<a href="{{ url_for('edit', note_id=note.id) }}">Edit, this!</a>
+<a href="{{ url_for('delete', note_id=note.id) }}">Delete, this!</a>
+</div>
+{% endfor %}
+{% endblock content %}

flasknotes/templates/note.html

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+{% extends "base.html" %}
+{% block content %}
+
+<form action="" method="POST" accept-charset="utf-8">
+
+  <table>
+    {% for field in form %}
+
+    <tr>
+      <th>{{ field.label }}</th>
+      <td>{{ field }}</td>
+      {% if field.errors %}
+      <td>
+      <ul class=errors>
+        {% for error in field.errors %}
+        <li>{{ error }}</li>
+        {% endfor %}
+      </ul>
+      {% endif %}
+      </td>
+    </tr>
+    {% endfor %}
+  </table>
+
+
+  <p><input type="submit" value="Save post"/></p>
+</form>
+
+{% endblock content %}

tgnotes/README

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+This is a simple tutorial for turbogears mvc application.