[英]How to get % usage of a network card on Windows 7 using Python
如何使用Python在Windows 7上獲得一張或多張網卡的使用百分比? 我嘗試使用psutil庫,但它僅返回傳輸的數據。
我想獲取網卡及其用法的列表
Network card 1 - 1%
Network card 2 - 0%
Network card 3 - 5%
您無法獲取百分比,但是可以獲取發送和接收的字節,安裝psutil ,導入psutil並重新安裝(regex模塊)。 請參閱下面的示例代碼,了解我的操作方式。
import psutil # http://code.google.com/p/psutil/
import re # Regular expression
#Percentage function
def percentage(part, whole):
return 100 * float(part)/float(whole)
if __name__ == '__main__':
#Retrieve all stats for all Network Cards using psutil
Stats = psutil.net_io_counters(pernic=True)
#Just showing printed values for Stats, useful for new coders :)
for key, val in Stats.items():
print key, val
#Filter Starts, convert to string for use with Regular expression
LanString = str(Stats['Local Area Connection'])
WirelessString = str(Stats['Wireless Network Connection'])
#Regular expression pattern that collects values between = character and , character
pattern = re.compile("\=(.*?)\,")
#Find all values matching the pattern
LanResult = re.findall(pattern, LanString)
WirelessResult = re.findall(pattern, WirelessString)
#Select values bytes_sent + bytes_recieved, convert to integers, add together
LanSumUsage = int(LanResult[0]) + int(LanResult[1])
WirelessSumUsage = int(WirelessResult[0]) + int(WirelessResult[1])
#Calculate and print percentages
TotalUsage = LanSumUsage + WirelessSumUsage
LanCardPercentage = percentage(LanSumUsage, TotalUsage)
WirelessCardPercentage = percentage(WirelessSumUsage, TotalUsage)
print("\nLan Card: %d%%") % LanCardPercentage
print("Wireless Card: %d%%") % WirelessCardPercentage
花費一點時間編寫這段代碼,這是編程新手(一周內)。 也沒有錯誤處理。
哦,我的輸出在下面,我的局域網卡沒有被使用。
Wireless Network Connection iostat(bytes_sent=801853517, bytes_recv=2106217519, packets_sent=4655581, packets_recv=6351113, errin=0, errout=0, dropin=0, dropout=0)
isatap.{10384343-0618-4406-B3D9-DA096A39B0DC} iostat(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0)
Teredo Tunneling Pseudo-Interface iostat(bytes_sent=3358183, bytes_recv=27088294, packets_sent=40579, packets_recv=33727, errin=0, errout=1474, dropin=0, dropout=0)
Local Area Connection iostat(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0)
Loopback Pseudo-Interface 1 iostat(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0)
isatap.{109E44C6-1D07-4E41-A7EA-FCFF2284A1DB} iostat(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0)
Lan Card: 0%
Wireless Card: 100%
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