RESTful API on Flask: Followed a tutorial on miguelgrinberg.com

gistfile1.py

#!/Users/theja/Downloads/local/anaconda/anaconda/bin/python
# from flask import Flask

# app = Flask(__name__)

# @app.route('/')
# def index():
#     return "Hello, World!"

# if __name__ == '__main__':
#     app.run(debug = True)


from flask import Flask, jsonify, abort, make_response, request,url_for

app = Flask(__name__)

tasks = [
    {
        'id': 1,
        'title': u'Buy groceries',
        'description': u'Milk, Cheese, Pizza, Fruit, Tylenol', 
        'done': False
    },
    {
        'id': 2,
        'title': u'Learn Python',
        'description': u'Need to find a good Python tutorial on the web', 
        'done': False
    }
]

@app.route('/todo/api/v1.0/tasks', methods = ['GET'])
def get_tasks():
    return jsonify( { 'tasks': map(make_public_task, tasks) } )

@app.route('/todo/api/v1.0/tasks/<int:task_id>', methods = ['GET'])
def get_task(task_id):
    task = filter(lambda t: t['id'] == task_id, tasks)
    if len(task) == 0:
        abort(404)
    return jsonify( { 'task': task[0] } )

@app.errorhandler(404)
def not_found(error):
    return make_response(jsonify( { 'error': 'Not found' } ), 404)

@app.route('/todo/api/v1.0/tasks', methods = ['POST'])
def create_task():
    if not request.json or not 'title' in request.json:
        abort(400)
    task = {
        'id': tasks[-1]['id'] + 1,
        'title': request.json['title'],
        'description': request.json.get('description', ""),
        'done': False
    }
    tasks.append(task)
    return jsonify( { 'task': task } ), 201


@app.route('/todo/api/v1.0/tasks/<int:task_id>', methods = ['PUT'])
def update_task(task_id):
    task = filter(lambda t: t['id'] == task_id, tasks)
    if len(task) == 0:
        abort(404)
    if not request.json:
        abort(400)
    if 'title' in request.json and type(request.json['title']) != unicode:
        abort(400)
    if 'description' in request.json and type(request.json['description']) is not unicode:
        abort(400)
    if 'done' in request.json and type(request.json['done']) is not bool:
        abort(400)
    task[0]['title'] = request.json.get('title', task[0]['title'])
    task[0]['description'] = request.json.get('description', task[0]['description'])
    task[0]['done'] = request.json.get('done', task[0]['done'])
    return jsonify( { 'task': task[0] } )

@app.route('/todo/api/v1.0/tasks/<int:task_id>', methods = ['DELETE'])
def delete_task(task_id):
    task = filter(lambda t: t['id'] == task_id, tasks)
    if len(task) == 0:
        abort(404)
    tasks.remove(task[0])
    return jsonify( { 'result': True } )

def make_public_task(task):
    new_task = {}
    for field in task:
        if field == 'id':
            new_task['uri'] = url_for('get_task', task_id = task['id'], _external = True)
        else:
            new_task[field] = task[field]
    return new_task



if __name__ == '__main__':
    app.run(debug = True)