In [1]:

    

import pandas as pd
from bokeh.plotting import show, output_notebook
output_notebook()


    

    





    
        
        
        
    

        
        BokehJS successfully loaded.
    

In [2]:

    

followers = pd.read_csv('followers-fake.csv', index_col='date', parse_dates=True)
followers.head()


    

    
Out[2]:






  

    

      

      
PSOE
      
PP
      
UpyD
      
Ciudadanos
      
Podemos
      
IU
    
    

      
date
      

      

      

      

      

      

    
  
  

    

      
2015-01-01
      
20
      
30
      
40
      
50
      
60
      
70
    
    

      
2015-01-02
      
21
      
32
      
43
      
54
      
65
      
76
    
    

      
2015-01-03
      
22
      
34
      
46
      
58
      
70
      
82
    
    

      
2015-01-04
      
23
      
36
      
49
      
62
      
75
      
88
    
    

      
2015-01-05
      
24
      
38
      
52
      
66
      
80
      
94
    
  

In [3]:

    

from bokeh.charts import TimeSeries

show(TimeSeries(followers, legend=True))


    

In [4]:

    

from bokeh.models import (
    Plot, Line, LinearAxis, DatetimeAxis, 
    SingleIntervalTicker, 
    ColumnDataSource, Range1d,
    Text, Circle, Legend
)
from datetime import datetime

xdr = Range1d(datetime(2015,1,1), datetime(2015,7,1))
ydr = Range1d(0, 1000)
plot = Plot(
    x_range=xdr,
    y_range=ydr,
    title="",
    plot_width=800,
    plot_height=400,
    outline_line_color=None,
    toolbar_location=None,    
)

AXIS_FORMATS = dict(
    minor_tick_in=None,
    minor_tick_out=None,
    major_tick_in=None,
    major_label_text_font_size="10pt",
    major_label_text_font_style="normal",
    axis_label_text_font_size="10pt",

    axis_line_color='#AAAAAA',
    major_tick_line_color='#AAAAAA',
    major_label_text_color='#666666',

    major_tick_line_cap="round",
    axis_line_cap="round",
    axis_line_width=1,
    major_tick_line_width=1,
)

xaxis = DatetimeAxis(**AXIS_FORMATS)
yaxis = LinearAxis(SingleIntervalTicker(interval=200), axis_label="# of followers", **AXIS_FORMATS)   
plot.add_layout(xaxis, 'below')
plot.add_layout(yaxis, 'left')

source = ColumnDataSource(followers)

party_list = list(followers.columns)

from bokeh.palettes import Spectral6

legends = []

for i, party in enumerate(party_list):
    line = Line(x='date', y=party, line_color=Spectral6[i])
    lg = plot.add_glyph(source, line)
    legends.append((party, [lg]))
    
legend = Legend(legends=legends, orientation='top_left', border_line_color='white')
plot.add_layout(legend)

from bokeh.plotting import vplot, hplot
from bokeh.models import Callback
from bokeh.models.widgets import TextInput, Button

code="""
 var startDate = start.get('value'),
     endDate = end.get('value'),
 start = new Date(startDate);
 end = new Date(endDate);
 dateRange.set('start', start.valueOf());
 dateRange.set('end', end.valueOf());
"""

callback = Callback(args={}, code=code)
start = TextInput(callback=callback)
end = TextInput(callback=callback)
callback.args['start'] = start
callback.args['end'] = end
callback.args['dateRange'] = xdr

show(vplot(hplot(start, end), plot))