Show time under musical notation form

notetime.py

from __future__ import unicode_literals
from datetime import datetime

WHOLE_NOTE = "\U0001D15D"
HALF_NOTE = "\U0001D15E"
QUARTER_NOTE = "\U0001D15F"
EIGHTH_NOTE = "\U0001D160"

WHOLE_REST = "\U0001D13B"
HALF_REST = "\U0001D13C"
QUARTER_REST = "\U0001D13D"
EIGHTH_REST = "\U0001D13E"

SIMPLE_BAR = "\U0001D100"
DOUBLE_BAR = "\U0001D101"
START_BAR = "\U0001D103"
END_BAR = "\U0001D102"

G_CLEF = "\U0001D11E"

DOT = "\U0001D16D"


FACTORS = {
    12: (WHOLE_NOTE + DOT, WHOLE_REST + EIGHTH_REST),
    6: (HALF_NOTE + DOT, HALF_REST + EIGHTH_REST),
    3: (QUARTER_NOTE + DOT, QUARTER_REST + EIGHTH_REST),
    2: (QUARTER_NOTE, QUARTER_REST),
    1: (EIGHTH_NOTE, EIGHTH_REST),
}

CLOCK = {
    0: QUARTER_REST,
    1: QUARTER_NOTE,
    2: HALF_NOTE,
    3: HALF_NOTE + QUARTER_NOTE,
    4: WHOLE_NOTE,
    5: WHOLE_NOTE + QUARTER_NOTE,
    6: WHOLE_NOTE + HALF_NOTE,
    7: WHOLE_NOTE + HALF_NOTE + QUARTER_NOTE,
    8: WHOLE_NOTE + WHOLE_NOTE,
    9: WHOLE_NOTE + WHOLE_NOTE + QUARTER_NOTE,
    10: WHOLE_NOTE + WHOLE_NOTE + HALF_NOTE,
    11: WHOLE_NOTE + WHOLE_NOTE + HALF_NOTE + QUARTER_NOTE,
    12: WHOLE_NOTE + WHOLE_NOTE + WHOLE_NOTE,
}


NUMBER_FACTORS = sorted(FACTORS.keys())
NOTE_FACTORS = {k: v[0] for k, v in FACTORS.items()}
REST_FACTORS = {k: v[1] for k, v in FACTORS.items()}


def measure(note_number):
    rest_number = 12 - note_number
    notes = "".join(NOTE_FACTORS[f] for f in decompose(note_number))
    rests = "".join(REST_FACTORS[f] for f in decompose(rest_number))
    return notes + rests


def decompose(number):
    while number > 0:
        higest = max(f for f in NUMBER_FACTORS if f <= number)
        yield higest
        number -= higest


def adjust_numbers(hours, minutes, seconds):
    hours = hours - 12 if hours > 12 else hours
    minutes = minutes // 5
    seconds = seconds // 5
    return hours, minutes, seconds


def additive_clock(hours, minutes, seconds):
    hours, minutes, seconds = adjust_numbers(hours, minutes, seconds)
    return CLOCK[hours], CLOCK[minutes], CLOCK[seconds]


def measure_clock(hours, minutes, seconds):
    hours, minutes, seconds = adjust_numbers(hours, minutes, seconds)
    return measure(hours), measure(minutes), measure(seconds)


if __name__ == "__main__":
    now = datetime.now()
    bars = SIMPLE_BAR.join(measure_clock(now.hour, now.minute, now.second))
    print (G_CLEF + " " + START_BAR + bars + END_BAR).encode('utf8')