Created
January 8, 2016 15:37
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Convert weekdays as bit representation
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| weekdays = ('Monday', 'Tuesday', 'Wednesday', | |
| 'Thursday', 'Friday', 'Saturday', 'Sunday', ) | |
| def convert_choice(*args): | |
| """Convert weekdays representation to 127 bits | |
| Example: | |
| >> # Monday, Tuesday, Friday, Sunday | |
| >> bw.convert(1, 1, 0, 0, 1, 0, 1) | |
| 83 | |
| >> # Monday, Tuesday | |
| >> bw.convert(True, True) | |
| 3 | |
| """ | |
| bits = sum([2**i for i, a in enumerate(args) if a]) | |
| return bits | |
| def choice_indexes(choice): | |
| return (i for i in range(0, 7) if 2**i & choice) | |
| def choice_as_string(choice): | |
| indexes = choice_indexes(choice) | |
| return (weekdays[i] for i in indexes) | |
| def is_day_in_choice(day, choice): | |
| indexes = choice_indexes(choice) | |
| if day in indexes: | |
| return True | |
| return False | |
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