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dash_app.py
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dash_app.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import dash
import dash_core_components as dcc
import dash_html_components as html
import pandas as pd
fname = 's3://bible-app-dash/lookup_df.csv'
df = pd.read_csv(fname)
external_stylesheets = ['https://codepen.io/chriddyp/pen/bWLwgP.css']
app = dash.Dash(__name__, external_stylesheets=external_stylesheets)
def generate_table(dataframe, max_rows=10):
return html.Table(
# Header
[html.Tr([html.Th(col) for col in dataframe.columns])] +
# Body
[html.Tr([
html.Td(dataframe.iloc[i][col]) for col in dataframe.columns
]) for i in range(min(len(dataframe), max_rows))]
)
app.layout = html.Div(children=[
html.H4(children='US Agriculture Exports (2011)'),
generate_table(df),
html.Label('Dropdown'),
dcc.Dropdown(
options=[
{'label': 'New York City', 'value': 'NYC'},
{'label': u'Montréal', 'value': 'MTL'},
{'label': 'San Francisco', 'value': 'SF'}
],
value='MTL'
),
html.Label('Multi-Select Dropdown'),
dcc.Dropdown(
options=[
{'label': 'New York City', 'value': 'NYC'},
{'label': u'Montréal', 'value': 'MTL'},
{'label': 'San Francisco', 'value': 'SF'}
],
value=['MTL', 'SF'],
multi=True
),
html.Label('Radio Items'),
dcc.RadioItems(
options=[
{'label': 'New York City', 'value': 'NYC'},
{'label': u'Montréal', 'value': 'MTL'},
{'label': 'San Francisco', 'value': 'SF'}
],
value='MTL'
),
html.Label('Checkboxes'),
dcc.Checklist(
options=[
{'label': 'New York City', 'value': 'NYC'},
{'label': u'Montréal', 'value': 'MTL'},
{'label': 'San Francisco', 'value': 'SF'}
],
value=['MTL', 'SF']
),
html.Label('Text Input'),
dcc.Input(value='MTL', type='text'),
html.Label('Slider'),
dcc.Slider(
min=0,
max=9,
marks={i: 'Label {}'.format(i) if i == 1 else str(i) for i in range(1, 6)},
value=5,
),
], style={'columnCount': 2})
if __name__ == '__main__':
app.run_server(debug=True)