Example parsing the evtc from arcdps gw2

evtc_parser.py

import struct

class Parser(object):
    def __init__(self, filepath):
        with open(filepath, 'rb') as fh:
            self.parse(fh)

    def parse(self, fh):
        fh.read(4) # skip random EVTC tag
        version = fh.read(8)
        fh.read(1) # skip
        inst_id = struct.unpack("<h", fh.read(2))[0]
        fh.read(1) # skip
        player_count = struct.unpack("<i", fh.read(4))[0]
        for i in range(player_count):
            agent = struct.unpack("<q", fh.read(8))[0]
            prof = struct.unpack("<i", fh.read(4))[0]
            elite = struct.unpack("<i", fh.read(4))[0]
            tough = struct.unpack("<i", fh.read(4))[0]
            healing = struct.unpack("<i", fh.read(4))[0]
            condi = struct.unpack("<i", fh.read(4))[0]
            name = fh.read(68)

            if elite != -1:
                print("%s - %s :: %s %s %s" % (elite, name, tough, healing, condi))
        print(version)
        print(inst_id)
        print(player_count)

if __name__ == '__main__':
    p = Parser('./test.evtc')