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#!/usr/bin/python
import subprocess
import argparse
parser = argparse.ArgumentParser(description='Generate random serial numbers')
parser.add_argument('-l', dest='length', action='store', default=8,
help='length of each serial number', type=int)
parser.add_argument('-c', dest='count', action='store', default=10,
help='length of each serial number', type=int)
def main():
args = parser.parse_args() # parse arguments
unique_serials_generated = 0 # counter for serials inserted successfully.
while unique_serials_generated < args.count: # loop until enough unique serials are created (because some could fail)
serials_list = readHexStrings(args.count - unique_serials_generated, args.length) # read $count hex-strings of fixed $length
for serial in serials_list:
if ("\n" in serial) or (" " in serial):
continue # dont use serials with newlines or spaces
unique_serials_generated += 1 # counter for serials
serial = serial.upper()
print(serial)
def readHexStrings(count, length):
list = []
infnoise_proc = subprocess.Popen(["infnoise"], stdout=subprocess.PIPE) # run infinite noise driver and
bin2hex_proc = subprocess.Popen(["infnoise-bin2hex"], stdin=infnoise_proc.stdout, # feed its stdout to the bin2hex utility,
stdout=subprocess.PIPE) # you could also skip this and do the bin2hex conversion in python
while len(list) < count and infnoise_proc.poll() == None:
list.append(bin2hex_proc.stdout.read(length))
infnoise_proc.terminate()
bin2hex_proc.terminate()
return list
if __name__ == '__main__':
main()
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