morse-code.py

import sys

MORSE_CODE_DICT = {
    ".-": "A", "-...": "B", "-.-.": "C", "-..": "D", ".": "E",
    "..-.": "F", "--.": "G", "....": "H", "..": "I", ".---": "J",
    "-.-": "K", ".-..": "L", "--": "M", "-.": "N", "---": "O",
    ".--.": "P", "--.-": "Q", ".-.": "R", "...": "S", "-": "T",
    "..-": "U", "...-": "V", ".--": "W", "-..-": "X", "-.--": "Y",
    "--..": "Z",
    "-----": "0", ".----": "1", "..---": "2", "...--": "3", "....-": "4",
    ".....": "5", "-....": "6", "--...": "7", "---..": "8", "----.": "9",
    ".-.-.-": ".", "--..--": ",", "..--..": "?", ".----.": "'",
    "-.-.--": "!", "-..-.": "/", "-.--.": "(", "-.--.-": ")",
    ".-...": "&", "---...": ":", "-.-.-.": ";", "-...-": "=",
    ".-.-.": "+", "-....-": "-", "..--.-": "_", ".-..-.": "\"",
    "...-..-": "$", ".--.-.": "@",
    "...---...": "SOS"
}

def normalize_morse_string(raw_string):
    unicode_dots = ["\u00B7", "\u22C5", "\u2022", "\u2219"]
    unicode_dashes = ["\u2013", "\u2014", "\u2212"]
    normalized_chars = []
    for ch in raw_string:
        if ch in unicode_dots:
            normalized_chars.append(".")
        elif ch in unicode_dashes:
            normalized_chars.append("-")
        else:
            normalized_chars.append(ch)
    return "".join(normalized_chars)

def decode_morse_letter(pattern, morse_dict, unknown_patterns):
    if pattern in morse_dict:
        return morse_dict[pattern]
    else:
        unknown_patterns.append(pattern)
        return "?"

def decode_full_morse_string(morse_string, morse_dict):
    unknown_patterns = []
    decoded_lines = []
    for line in morse_string.split("\n"):
        words = line.split("\t")
        decoded_words = []
        for word_chunk in words:
            word_chunk = word_chunk.strip()
            if not word_chunk:
                continue
            letter_patterns = word_chunk.split(" ")
            decoded_letters = []
            for pat in letter_patterns:
                pat = pat.strip()
                if not pat:
                    continue
                decoded_char = decode_morse_letter(pat, morse_dict, unknown_patterns)
                decoded_letters.append(decoded_char)
            decoded_words.append("".join(decoded_letters))
        decoded_lines.append(" ".join(decoded_words))
    decoded_text = "\n".join(decoded_lines)
    return decoded_text, unknown_patterns

if __name__ == "__main__":
    RAW_MORSE_SEGMENTS = [
        "· · ···- ·· ·-· – ··- ·- ·-·· ·-·· -.-- · \t · · · · · · ·· -· ···- ·· ··· ·· -··· ·-·· ·",
        ". -.. .. --. . - .- .-.. . . . \t .. -. - . .-. .--. .-. . - .- - .. -",
        ". . ... .... .- -.. --- .-- . . \t ..-. --- .-. -.-. . ... . . . . .",
        ".-.. ..- -.-. .. -.. . . . \t -- . -- --- .-. -.-- .",
        "- .. ... -.-- --- ..- .-. \t .--. --- ... .. - .. --- -. .",
        ".-. --.-",
        "...---..."
    ]
    RAW_MORSE_INPUT = "\t\n".join(RAW_MORSE_SEGMENTS)
    normalized = normalize_morse_string(RAW_MORSE_INPUT)
    decoded_text, unknowns = decode_full_morse_string(normalized, MORSE_CODE_DICT)
    print(normalized)
    print(decoded_text)

. . ...- .. .-. - ..- .- .-.. .-.. -.-- . 	 . . . . . . .. -. ...- .. ... .. -... .-.. .	
. -.. .. --. . - .- .-.. . . . 	 .. -. - . .-. .--. .-. . - .- - .. -	
. . ... .... .- -.. --- .-- . . 	 ..-. --- .-. -.-. . ... . . . . .	
.-.. ..- -.-. .. -.. . . . 	 -- . -- --- .-. -.-- .	
- .. ... -.-- --- ..- .-. 	 .--. --- ... .. - .. --- -. .	
.-. --.-	
...---...
EEVIRTUALLYE EEEEEEINVISIBLE
EDIGETALEEE INTERPRETATIT
EESHADOWEE FORCESEEEEE
LUCIDEEE MEMORYE
TISYOUR POSITIONE
RQ
SOS