python实现数据图表

$ sudo pip install plotly

lcd@ubuntu:~/$ cat gen_log.sh 
#!/bin/bash
count=$1
while [ $count -gt 0 ]
do
  sar -n DEV 1 1 | grep "Average:" | grep "eth0" | awk '{print $4,$5,$6}'
  count=$(($count-1))
done
lcd@ubuntu:~/$ sh gen_log.sh 1000 > log.txt

#!/usr/bin/env python
import plotly.offline as pltoff
import plotly.graph_objs as go

def line_plots(name="line_plots.html"):
  dataset = {
    'time': [],
    'rx': [],
    'tx': [],
    'util': []
  }
  with open("./log.txt") as f:
    i = 0
    for line in f:
      items = line.split()
      dataset['time'].append(i)
      dataset['rx'].append(items[0])
      dataset['tx'].append(items[1])
      dataset['util'].append(items[2])
      i += 1
      
  data_g = []
  # 构建 time - rx 数据关系，折线图
  tr_rx = go.Scatter(
    x = dataset['time'],
    y = dataset['rx'],
    name = 'rx')
  data_g.append(tr_rx)

  tr_tx = go.Scatter(
    x = dataset['time'],
    y = dataset['tx'],
    name = 'tx')
  data_g.append(tr_tx)

  tr_util = go.Scatter(
    x = dataset['time'],
    y = dataset['util'],
    name = 'util')
  data_g.append(tr_util)

  # 设置图表布局
  layout = go.Layout(title="Line plots",
    xaxis={'title':'time'}, yaxis={'title':'value'})
  fig = go.Figure(data=data_g, layout=layout)
  # 生成离线html
  pltoff.plot(fig, filename=name)

if __name__=='__main__':
  line_plots()

#!/usr/bin/env python
import plotly.offline as pltoff
import plotly.graph_objs as go

def bar_charts(name="bar_charts.html"):
  dataset = {'x':['man', 'woman'],
        'y1':[35, 26],
        'y2':[33, 30]}
  data_g = []
  tr_y1 = go.Bar(
    x = dataset['x'],
    y = dataset['y1'],
    name = '2016'

  )
  data_g.append(tr_y1)

  tr_y2 = go.Bar(
  x = dataset['x'],
  y = dataset['y2'],
  name = '2017'

  )
  data_g.append(tr_y2)
  layout = go.Layout(title="bar charts",
    xaxis={'title':'x'}, yaxis={'title':'value'})
  fig = go.Figure(data=data_g, layout=layout)
  pltoff.plot(fig, filename=name)

if __name__=='__main__':
  bar_charts()

#!/usr/bin/env python
import plotly.offline as pltoff
import plotly.graph_objs as go

def pie_charts(name='pie_chart.html'):
  dataset = {
    'labels':['Windows', 'Linux', 'MacOS'],
    'values':[280, 10, 30]}
  data_g = []
  tr_p = go.Pie(
  labels = dataset['labels'],
  values = dataset['values']

  )
  data_g.append(tr_p)
  layout = go.Layout(title="pie charts")
  fig = go.Figure(data=data_g, layout=layout)
  pltoff.plot(fig, filename=name)

if __name__=='__main__':
  pie_charts()