def main():
try:
os.remove('output.txt')
print('removed output file!')
except Exception as e:
print(f'Error: {e}')
if sys.argv[1] == "--sequence":
start = time.time()
processes = []
video = cv2.VideoCapture('video_sample.mp4')
w, h = int(video.get(3)), int(video.get(4))
for i in range(int(sys.argv[4])):
video.set(cv2.CAP_PROP_POS_FRAMES,
time.time() * 1000 % video.get(cv2.CAP_PROP_FRAME_COUNT))
res, frame = video.read()
p = multiprocessing.Process(target=worker,
args=(
frame,
w,
h,
int(sys.argv[2]),
int(sys.argv[3]),
int(sys.argv[4]),
))
processes.append(p)
p.start()
for process in processes:
process.join()
end = time.time()
with open('output.txt') as f:
print(
f'{sys.argv[2]} random numbers sequence generated in {end - start}\nentropy: {entropy_handler([int(line.strip()) for line in f if line.strip()], base=2)}'
)
f.close()
elif sys.argv[1] == "--single":
primes = Primes.Primes()
rng = RNGutils.RNGutils()
print("Single mode\n")
video = cv2.VideoCapture('video_sample.mp4')
seed = get_seed_from_pixel()
video.release()
with open("output.txt", "w+") as file:
string = f'{rng.single(primes=primes, pixel_seed=seed, rnd_range=int(sys.argv[2]))}\n'
if "-" not in string:
file.write(string)
print(string)
file.close()
def worker(seed, length, threads, rnd_range):
primes = Primes.Primes()
rng = RNGutils.RNGutils()
with open("output.txt", "a+") as file:
[
file.write(f'{number}\n')
for number in rng.sequence(primes=primes,
pixel_seed=seed,
length=int(length / threads),
rnd_range=rnd_range)
]
file.close()
return
def worker(frame, w, h, length, rnd_range, threads):
primes = Primes.Primes()
rng = RNGutils.RNGutils()
with open("output.txt", "a+") as file:
seed = get_seed_from_pixel(frame=frame, w=w, h=h)
[
file.write(f'{number}\n')
for number in rng.sequence(primes=primes,
pixel_seed=seed,
length=int(length / threads),
rnd_range=rnd_range)
]
file.close()
return
def main():
check_sysargs(sys.argv) # check if user defined all required parameters
primes = Primes.Primes()
rng = RNGutils.RNGutils()
seed = get_seed_from_pixel()
random_array = []
if sys.argv[1] == "--sequence":
start = time.time()
with open("output.txt", "w+") as file:
[(file.write(f'{number}\n'), random_array.append(number))
for number in rng.sequence(primes=primes,
pixel_seed=seed,
length=sys.argv[2],
rnd_range=int(sys.argv[3]))]
file.close()
end = time.time()
plotter.hist(random_array, int(sys.argv[3]))
plotter.show()
print(
f'{sys.argv[2]} random numbers sequence generated in {end - start}\nentropy: {rng.entropy}'
)
elif sys.argv[1] == "--single":
print("Single mode\n")
with open("output.txt", "w+") as file:
string = f'{rng.single(primes=primes, pixel_seed=seed, rnd_range=int(sys.argv[2]))}\n'
if "-" not in string:
file.write(string)
print(string)
file.close()
def LargestPrimeFactor(n):
if isPrime(n): return n
p = Primes(int(n**(0.5)) + 2)
p.reverse()
for i in p:
if n % i == 0: return i
def test_ExpectedOutput(self):
'''
Checks if returned output is as expected.
'''
output = Primes.Primes(19)
self.assertEqual(output, "true")
