mirror of
https://github.com/Garmelon/PFERD.git
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59 lines
1.5 KiB
Python
59 lines
1.5 KiB
Python
import asyncio
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import contextvars
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import functools
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import getpass
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from typing import Any, Callable, Optional, TypeVar
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import bs4
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T = TypeVar("T")
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# TODO When switching to 3.9, use asyncio.to_thread instead of this
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async def to_thread(func: Callable[..., T], *args: Any, **kwargs: Any) -> T:
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# https://github.com/python/cpython/blob/8d47f92d46a92a5931b8f3dcb4a484df672fc4de/Lib/asyncio/threads.py
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loop = asyncio.get_event_loop()
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ctx = contextvars.copy_context()
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func_call = functools.partial(ctx.run, func, *args, **kwargs)
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return await loop.run_in_executor(None, func_call) # type: ignore
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async def ainput(prompt: str) -> str:
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return await to_thread(lambda: input(prompt))
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async def agetpass(prompt: str) -> str:
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return await to_thread(lambda: getpass.getpass(prompt))
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def soupify(data: bytes) -> bs4.BeautifulSoup:
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"""
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Parses HTML to a beautifulsoup object.
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"""
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return bs4.BeautifulSoup(data, "html.parser")
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async def prompt_yes_no(query: str, default: Optional[bool]) -> bool:
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"""
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Asks the user a yes/no question and returns their choice.
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"""
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if default is True:
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query += " [Y/n] "
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elif default is False:
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query += " [y/N] "
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else:
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query += " [y/n] "
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while True:
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response = (await ainput(query)).strip().lower()
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if response == "y":
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return True
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elif response == "n":
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return False
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elif response == "" and default is not None:
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return default
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print("Please answer with 'y' or 'n'.")
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