fuzzy clock

fuzzy_clock.py

#!/usr/bin/env python3
from datetime import datetime

word = {
    1: 'one',
    2: 'two',
    3: 'three',
    4: 'four',
    5: 'five',
    6: 'six',
    7: 'seven',
    8: 'eight',
    9: 'nine',
    10: 'ten',
    11: 'eleven',
    12: 'twelve',
    15: 'quarter',
    20: 'twenty',
    30: 'half'
}

increments = {
    0: 0,
    3: 5,
    8: 10,
    13: 15,
    18: 20,
    25: 30,
    35: 40,
    43: 45,
    48: 50,
    53: 55,
    58: 0
}


def hour_word(h):
    if h > 12:
        h -= 12

    return word[h]


def fuzzy(hours, minutes):
    rounded = [r for n, r in sorted(increments.items()) if minutes >= n][-1]

    if rounded == 0:
        if minutes > 5:
            hours += 1
        return hour_word(hours) + " o'clock"
    elif rounded > 30:
        rounded = 60 - rounded
        glue = 'til'
        hours += 1
    elif rounded <= 30:
        glue = 'past'

    return '{} {} {}'.format(word[rounded], glue, hour_word(hours))

now = datetime.now()
hours = now.hour
minutes = now.minute

print(fuzzy(hours, minutes))