# -*- coding: utf-8 -*-
import dash
import dash_core_components as dcc
import dash_html_components as html

external_stylesheets = ['https://codepen.io/chriddyp/pen/bWLwgP.css']

app = dash.Dash(__name__, external_stylesheets=external_stylesheets)

app.layout = html.Div(children=[
    html.H1(children='Hello Dash'),

    html.Div(children='''
        Dash: A web application framework for Python.
    '''),

    dcc.Graph(
        id='example-graph',
        figure={
            'data': [
                {'x': [1, 2, 3], 'y': [4, 1, 2], 'type': 'bar', 'name': 'SF'},
                {'x': [1, 2, 3], 'y': [2, 4, 5], 'type': 'bar', 'name': u'Montréal'},
            ],
            'layout': {
                'title': 'Dash Data Visualization'
            }
        }
    )
])

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

from flask import escape

def helloWorld(request):
    """ Responds to an HTTP request using data from the request body parsed
    according to the "content-type" header.
    Args:
        request (flask.Request): The request object.
        <
http://flask.pocoo.org/docs/1.0/api/#flask.Request
>
    Returns:
        The response text, or any set of values that can be turned into a
        Response object using `make_response`
        <
http://flask.pocoo.org/docs/1.0/api/#flask.Flask.make_response
>.
    """
    content_type = request.headers['content-type']
    if content_type == 'application/json':
        request_json = request.get_json(silent=True)
        if request_json and 'name' in request_json:
            name = request_json['name']
        else:
            raise ValueError("JSON is invalid, or missing a 'name' property")
    elif content_type == 'application/octet-stream':
        name = request.data

    elif content_type == 'text/plain':
        name = request.data

    elif content_type == 'application/x-www-form-urlencoded':
        name = request.form.get('name')
    else:
        raise ValueError("Unknown content type: {}".format(content_type))

    return app.index()
