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random loop n flags

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Radek
2026-03-12 10:25:06 +00:00
parent ce4c9d9cbc
commit 853dceda87
1 changed files with 23 additions and 11 deletions
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entropy.py
+23 -11
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@@ -24,19 +24,31 @@ def main():
parser.add_argument("--url", default="http://192.168.0.200/mjpg/video.mjpg", help="Camera MJPEG stream URL") parser.add_argument("--url", default="http://192.168.0.200/mjpg/video.mjpg", help="Camera MJPEG stream URL")
parser.add_argument("--single", type=int, default=1, help="Generate N random numbers and exit (default: 1)") parser.add_argument("--single", type=int, default=1, help="Generate N random numbers and exit (default: 1)")
parser.add_argument("--bit", type=int, default=256, help="Bit length of each random number (default: 256)") parser.add_argument("--bit", type=int, default=256, help="Bit length of each random number (default: 256)")
parser.add_argument("--loop", action="store_true", help="Run forever, generating numbers every second")
args = parser.parse_args() args = parser.parse_args()
for i in range(args.single): if args.loop:
try: while True:
frame = fetch_frame_opencv(args.url) try:
random_numbers = generate_random_numbers(frame, [args.bit]) frame = fetch_frame_opencv(args.url)
for number in random_numbers.values(): random_numbers = generate_random_numbers(frame, [args.bit])
print(f"{number:x}") # Print as hex without '0x' prefix for number in random_numbers.values():
except Exception as e: print(f"{number:x}")
print(f"Error: {e}", file=sys.stderr) except Exception as e:
return 1 print(f"Error: {e}", file=sys.stderr)
if args.single > 1 and i < args.single - 1: time.sleep(1) # Wait before retrying
time.sleep(1) # Small delay between frames in single mode else:
for i in range(args.single):
try:
frame = fetch_frame_opencv(args.url)
random_numbers = generate_random_numbers(frame, [args.bit])
for number in random_numbers.values():
print(f"{number:x}")
except Exception as e:
print(f"Error: {e}", file=sys.stderr)
return 1
if args.single > 1 and i < args.single - 1:
time.sleep(1) # Small delay between frames
if __name__ == "__main__": if __name__ == "__main__":
import sys import sys