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Pseudo-Morse solution in Clear category for Morse Clock by PositronicLlama
"""
Convert a time to a pseudo-Morse code.
This 'binary-Morse' encoding represents the binary digits of a number as . and -
for 0 and 1 respectively.
"""
TO_MORSE = str.maketrans('01', '.-')
def to_morse(number, bits):
"""Return number in binary-Morse as a string with the given number of bits."""
return "{0:0{1}b}".format(number, bits).translate(TO_MORSE)
def to_code(field):
"""Return a space-delimited string of binary-Morse digits."""
tens, ones = divmod(int(field), 10)
return "{} {}".format(to_morse(tens, 3), to_morse(ones, 4))
def checkio(data):
"""Return a string representing the time in a Morse code-like form."""
return ' : '.join(map(to_code, data.split(':')))[1:] # Strip leading .
if __name__ == '__main__':
assert checkio("10:37:49") == ".- .... : .-- .--- : -.. -..-", "First Test"
assert checkio("21:34:56") == "-. ...- : .-- .-.. : -.- .--.", "Second Test"
assert checkio("11:10:12") == ".- ...- : ..- .... : ..- ..-.", "Third Test"
assert checkio("23:59:59") == "-. ..-- : -.- -..- : -.- -..-", "Fourth Test"
Aug. 24, 2013
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