import json

import os

import dash

import dash_core_components as dcc

import dash_html_components as html

import zmq

from dash.dependencies import Input, Output

from util import *

params = {'ready': 0,

'posUpperLimit': 0,

'posLowerLimit': 0,

'spread': 10.0,

'buysellSkew': 0.0,

'alphaMultiplier': 0.0,

'positionSkew': 0.0}

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

def createZmqPublisher():

context = zmq.Context()

publisher = context.socket(zmq.PUB)

publisher.bind(commandEndPoint)

return publisher

def valueSetter(value, name):

params[name] = value

print(params)

return 'changed'

def createLayout():

page_content = []

for key in params:

page_content.append(

html.Div([html.Div(["{:<20}:".format(key)]), dcc.Input(id=key, type='float', value=params[key]),

html.Div(id=key + "state", children='ready', style={'display': 'none'})]))

page_content.append(html.Button('Submit', id='submit-val', n_clicks=0))

page_content.append(html.Div(id='state'))

return html.Div(page_content)

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

app.layout = createLayout # dynamic layout creation

@app.callback(Output('state', 'children'),

[Input('submit-val', 'n_clicks')])

def buttonReact(click):

print("ready")

pub.send_string(commandTopic + json.dumps(params))

print(os.getpid())

return str(params)

for key in params:

app.callback(Output(component_id=key + 'state', component_property='children'),

[Input(component_id=key, component_property='value'),

Input(component_id=key, component_property='id')])(valueSetter)

if __name__ == '__main__':

pub = createZmqPublisher()

app.run_server(debug=False, threaded=True, host='0.0.0.0')