[Python] Pyshark统计pcap的packet协议字段并柱状图可视化_pyshark only_summaries=

import pyshark
import collections
import matplotlib.pyplot as plt
import numpy as np

cap = pyshark.FileCapture('pcap/netatmoweatherPOWER_3.pcap', only_summaries=True)
protocolList = []
for packet in cap:
    line = str(packet)
    formattedLine = line.split(" ")
    protocolList.append(formattedLine[4])
counter = collections.Counter(protocolList)

plt.style.use('ggplot')
y_pos = np.arange(len(list(counter.keys())))
plt.bar(y_pos, list(counter.values()), align='center', alpha=0.5, color=['b', 'g', 'r', 'c', 'm'])
plt.xticks(y_pos, list(counter.keys()))
plt.ylabel("Frequency")
plt.xlabel("Protocol Name")
plt.savefig("ProtocolGraph.png")
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

报错解决

报的这个错