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First solution in Creative category for Microwave Ovens by _Chico_
from datetime import date, datetime, time, timedelta
from dataclasses import dataclass
from typing import Any
@dataclass
class MicrowaveBase():
time: Any = time(0)
display = lambda self, t, m=0: ['_' + t[1:], t[:-1] + '_'][m]
def parse_time(self, time):
m = int(time[:-1]) if 'm' in time else 0
s = int(time[:-1]) if 's' in time else 0
return m, s
def set_time(self, duration):
m, s = list(map(int, duration.split(':')))
self.time = (datetime.combine(date(1,1,1), time(0)) + timedelta(minutes=m, seconds=s)).time()
def add_time(self, duration):
m, s = self.parse_time(duration)
add = (datetime.combine(date(1,1,1), self.time) + timedelta(minutes=m, seconds=s)).time()
if add >= time(1, 30): self.time = time(1, 30)
else: self.time = add
def del_time(self, duration):
m, s = self.parse_time(duration)
try: sub = (datetime.combine(date(1,1,1), self.time) - timedelta(minutes=m, seconds=s)).time()
except OverflowError: sub = time(0)
finally: self.time = sub
def show_time(self):
if self.time < time(1, 0): return self.time.strftime('%M:%S')
else: return f'{self.time.minute+self.time.hour*60}:' + self.time.strftime('%S')
class Microwave1(MicrowaveBase):
show_time = lambda self: self.display(super().show_time())
class Microwave2(MicrowaveBase):
show_time = lambda self: self.display(super().show_time(), 1)
class Microwave3(MicrowaveBase):
pass
@dataclass
class RemoteControl:
microwave: Any
set_time = lambda self, duration: self.microwave.set_time(duration)
add_time = lambda self, duration: self.microwave.add_time(duration)
del_time = lambda self, duration: self.microwave.del_time(duration)
show_time = lambda self: self.microwave.show_time()
May 18, 2021
