我正在尝试从CSV文件生成图表（时间Vs带宽）。 CSV文件包含执行python脚本后的stdout数据。现在，我必须在CSV文件中仅保留间隔和带宽，并从那里绘制图形。上面的文件是我正在使用的python脚本，下面的文件是我需要对数据进行排序的CSV文件。建议真的欢迎编辑python脚本或者可能编写新的python脚本来生成绘图。提前谢谢..
import sys
import time
import select
import csv
import paramiko
class Logger(object):
def __init__(self):
self.terminal = sys.stdout
self.log = open("logfile.csv", "a")
def write(self, message):
self.terminal.write(message)
self.log.write(message)
def flush(self):
#this flush method is needed for python 3 compatibility.
#this handles the flush command by doing nothing.
#you might want to specify some extra behavior here.
pass
sys.stdout = Logger()
host = '169.254.115.1'
i = 1
#
# Try to connect to the host.
# Retry a few times if it fails.
#
while True:
print ('Trying to connect to %s (%i/2)' % (host, i))
try:
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(host, port=22, username='user', password='user')
print ("Connected to %s" % host)
break
except paramiko.AuthenticationException:
print ("Authentication failed when connecting to %s") % host
sys.exit(1)
except:
print ("Could not SSH to %s, waiting for it to start" % host)
i += 1
time.sleep(2)
# If we could not connect within time limit
if i == 2:
print ("Could not connect to %s. Giving up") % host
sys.exit(1)
# Send the command (non-blocking)
stdin, stdout, stderr = ssh.exec_command("cd /opt/cohda/test; sudo ./runtest_iperf_tx.sh")
# Wait for the command to terminate
while not stdout.channel.exit_status_ready():
# Only print data if there is data to read in the channel
if stdout.channel.recv_ready():
rl, wl, xl = select.select([stdout.channel], [], [], 0.0)
if len(rl) > 0:
# Print data from stdout
print (stdout.channel.recv(1024)),
#
# Disconnect from the host
#
print ("Command done, closing SSH connection")
ssh.close()
Trying to connect to 169.254.115.1 (1/2)
Connected to 169.254.115.1
b'Usage: ./runtest_iperf_tx.sh [ChanSCH] [Mode: none|remote|local|target] [MCS] [PRIORITY]\nUsing: ./runtest_iperf_tx.sh 180 target MK2MCS_R12QPSK MK2_PRIO_4\n'
b'Interface: wave-raw\nChannel: SCH\nRadio: B\nChannelNumber: 180\nDefaultMCS: 10\nDefaultTxPower: 40\nDefaultTRC: 0\nDefaultTPC: 0\nBandwidth: 10\nDualTxControl: 0\nChannelUtilisationPeriod: 49\nTxAntenna: 3\nRxAntenna: 3\nMACAddr: 04:e5:48:00:00:b1\nFilter: 0x88b6 0x86dd 0x0800 0x0806\nMAC Address: 04:e5:48:00:00:b1\n'
b' ChannelNumber: 180\n DefaultMCS: 10\n DefaultTxPower: 40\n DefaultTRC: 0\n DefaultTPC: 0\n Bandwidth: 10\n DualTxControl: 0\n ChannelUtilisationPeriod: 49\n TxAntenna: 3\n RxAntenna: 3\n MACAddr: 04:e5:48:00:00:b1\n Filter: 0x88b6 0x86dd 0x0800 0x0806\n'
b'PING 192.168.234.1 (192.168.234.1) from 192.168.234.2 wave-data: 56(84) bytes of data.\n64 bytes from 192.168.234.1: icmp_seq=1 ttl=64 time=1998 ms\n'
b'64 bytes from 192.168.234.1: icmp_seq=2 ttl=64 time=995 ms\n'
b'64 bytes from 192.168.234.1: icmp_seq=3 ttl=64 time=1.85 ms\n'
b'\n'
b'--- 192.168.234.1 ping statistics ---\n3 packets transmitted 3 received 0% packet loss time 2003ms\nrtt min/avg/max/mdev = 1.859/998.493/1998.492/815.126 ms pipe 2\n'
b'------------------------------------------------------------\nServer listening on TCP port 5001\nTCP window size: 0.08 MByte (default)\n------------------------------------------------------------\n------------------------------------------------------------\nClient connecting to 192.168.234.1 TCP port 5001\nTCP window size: 0.04 MByte (default)\n------------------------------------------------------------\n[ 5] local 192.168.234.2 port 59528 connected with 192.168.234.1 port 5001\n'
b'[ ID] Interval Transfer Bandwidth\n[ 5] 0.0- 1.0 sec 0.62 MBytes 5.24 Mbits/sec\n'
b'[ 5] 1.0- 2.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 2.0- 3.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 3.0- 4.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 4.0- 5.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 5.0- 6.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 6.0- 7.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 7.0- 8.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 8.0- 9.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 9.0-10.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 10.0-11.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 11.0-12.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 12.0-13.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 13.0-14.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 14.0-15.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 15.0-16.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 16.0-17.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 17.0-18.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 18.0-19.0 sec 0.50 MBytes 4.19 Mbits/sec\n'
b'[ 5] 19.0-20.0 sec 0.50 MBytes 4.19 Mbits/sec\n[ 5] 0.0-20.3 sec 10.2 MBytes 4.24 Mbits/sec\n'
b'[ 4] local 192.168.234.2 port 5001 connected with 192.168.234.1 port 44782\n'
b'[ 4] 0.0- 1.0 sec 0.48 MBytes 4.05 Mbits/sec\n'
b'[ 4] 1.0- 2.0 sec 0.50 MBytes 4.18 Mbits/sec\n'
b'[ 4] 2.0- 3.0 sec 0.50 MBytes 4.22 Mbits/sec\n'
b'[ 4] 3.0- 4.0 sec 0.51 MBytes 4.29 Mbits/sec\n'
b'[ 4] 4.0- 5.0 sec 0.51 MBytes 4.25 Mbits/sec\n'
b'[ 4] 5.0- 6.0 sec 0.50 MBytes 4.16 Mbits/sec\n'
b'[ 4] 6.0- 7.0 sec 0.51 MBytes 4.31 Mbits/sec\n'
b'[ 4] 7.0- 8.0 sec 0.50 MBytes 4.22 Mbits/sec\n'
b'[ 4] 8.0- 9.0 sec 0.52 MBytes 4.33 Mbits/sec\n'
b'[ 4] 9.0-10.0 sec 0.51 MBytes 4.24 Mbits/sec\n'
b'[ 4] 10.0-11.0 sec 0.47 MBytes 3.95 Mbits/sec\n'
b'[ 4] 11.0-12.0 sec 0.54 MBytes 4.55 Mbits/sec\n'
b'[ 4] 12.0-13.0 sec 0.50 MBytes 4.18 Mbits/sec\n'
b'[ 4] 13.0-14.0 sec 0.49 MBytes 4.14 Mbits/sec\n'
b'[ 4] 14.0-15.0 sec 0.51 MBytes 4.31 Mbits/sec\n'
b'[ 4] 15.0-16.0 sec 0.49 MBytes 4.09 Mbits/sec\n'
b'[ 4] 16.0-17.0 sec 0.49 MBytes 4.11 Mbits/sec\n'
b'[ 4] 17.0-18.0 sec 0.52 MBytes 4.34 Mbits/sec\n'
b'[ 4] 18.0-19.0 sec 0.51 MBytes 4.30 Mbits/sec\n'
b'[ 4] 19.0-20.0 sec 0.51 MBytes 4.25 Mbits/sec\n'
b'[ 4] 0.0-20.6 sec 10.4 MBytes 4.23 Mbits/sec\n'
b'CCH: \n RxReport: /dev/null\n RxLog: /dev/null\nSCH: \n RxReport: /dev/null\n RxLog: /dev/null\n'
b'CCH: \n RxReport: /dev/null\n RxLog: /dev/null\nSCH: \n RxReport: /dev/null\n RxLog: /dev/null\n'
Command done closing SSH connection