reedsolo_reed_solomon_encode_decode_error_correction_demo.py

1from reedsolo import RSCodec, ReedSolomonError
2
3# Initialize the Reed-Solomon Codec
4# 10 is the number of error correction symbols (ECC symbols)
5rsc = RSCodec(10)
6
7# Encode a message
8message = b"hello world"
9encoded_message = rsc.encode(message)
10print(f"Encoded: {encoded_message}")
11
12# Corrupt the message (changing two bytes)
13corrupted_message = bytearray(encoded_message)
14corrupted_message[0] = 0  # Change 'h' to null
15corrupted_message[1] = 0  # Change 'e' to null
16print(f"Corrupted: {corrupted_message}")
17
18# Decode and correct the message
19try:
20    decoded_message, decoded_msgecc, errata_pos = rsc.decode(corrupted_message)
21    print(f"Decoded: {decoded_message}")
22except ReedSolomonError as e:
23    print(f"Could not correct message: {e}")