main.py

import pyshark 
import csv
import pickle



pcapfile = "130423-1.pcapng"
header = ["timestamp","source","Destination","ANSI","DATA"]
csvfil = "csvout.csv"
temp = []


def outcsv(pktcsv):
    print('writting in  {}...'.format(csvfil))
    with open(csvfil, 'a',newline='') as csvfile: 
        csvwriter = csv.writer(csvfile) 
        csvwriter.writerow(header) 
        csvwriter.writerows(pktcsv) 


       
       
if __name__=="__main__":   
    dfil = input("Enter the protocol to appaly display Filter : ")
    try :
        capture = pyshark.FileCapture('130423-1.pcapng',display_filter=dfil)
        for pkt in capture:
            cal = []
            try : 
                cal.append(pkt.sniff_timestamp)
                cal.append(pkt.ip.src)
                cal.append(pkt.ip.dst)
                try:
                    cal.append(pkt.cip.symbol)
                except:
                    cal.append(" ")
                try : 
                    cal.append(pkt.cipcls.get_field_by_showname('Data'))
                except:
                    cal.append(" ")
                temp.append(cal)
            except :
                pass
        outcsv(temp)
    except : 
        print("Enter the correct value !!!")