47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
import re
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from typing import Iterable
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from random import randint
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class Dice:
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text: str
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count: int
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sides: int
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def __init__(self, text: str):
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self.text = text
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parsed_text = self.parse_text(text)
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if parsed_text is None:
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raise DiceTextError(f"Could not parse {text}")
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(self.count, self.sides) = parsed_text
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def roll(self) -> Iterable[int]:
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"""Randomly generates `self.count` integers in range [1,`self.sides`]"""
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result = [randint(1, self.sides) for _ in range(self.count)]
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print(f"rolling {self.text} => {result}")
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return result
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def roll_as_text(self) -> str:
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"""
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Randomly generates `self.count` integers in range [1,`self.sides`]
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then returns a formated string.
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"""
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roll = self.roll()
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result = f"{self.text} => {roll} = {sum(roll)}"
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return result
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@staticmethod
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def parse_text(text: str) -> tuple[int, int] | None:
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match = re.match(r"^(\d*)d(\d+)$", text)
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if match is None:
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return None
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count = match.group(1)
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sides = match.group(2)
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return (int(count), int(sides))
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class DiceTextError(RuntimeError): ...
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