pass-gen/app/pass_gen.py
2021-07-08 09:45:02 +02:00

40 lines
927 B
Python

import random
import string
from typing import Protocol
from pydantic import BaseModel
class PassGenOptions(BaseModel):
seed: int
length: int = 8
symbols: bool = False
numbers: bool = True
def generate_password(options: PassGenOptions) -> str:
characters = _build_characters(symbols=options.symbols, numbers=options.numbers)
random_generator = _new_random_generator(options.seed)
return "".join(random_generator.sample(characters, options.length))
class RandomSampler(Protocol):
def sample(self, population: str, k: int) -> list[str]:
... # pragma nocover
def _new_random_generator(seed: int) -> RandomSampler:
return random.Random(seed)
def _build_characters(symbols: bool, numbers: bool) -> str:
characters = string.ascii_letters
if symbols:
characters += string.punctuation
if numbers:
characters += string.digits
return characters