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Utils: Add a flatten function to Utils.py #3167

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Utils: Add a flatten function to Utils.py #3167

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11 changes: 10 additions & 1 deletion Utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

import asyncio
import json
import types
import typing
import builtins
import os
Expand All @@ -18,7 +19,7 @@

from argparse import Namespace
from settings import Settings, get_settings
from typing import BinaryIO, Coroutine, Optional, Set, Dict, Any, Union
from typing import BinaryIO, Coroutine, Generator, List, Optional, Set, TypeVar, Dict, Any, Union
from typing_extensions import TypeGuard
from yaml import load, load_all, dump

Expand Down Expand Up @@ -775,6 +776,14 @@ def async_start(co: Coroutine[None, None, typing.Any], name: Optional[str] = Non
task.add_done_callback(_faf_tasks.discard)


T = TypeVar("T")
def flatten(l: List[T] | Generator[T] | T) -> List[T]:
if type(l) is list or type(l) is types.GeneratorType:
return [ y for x in l for y in flatten(x) ]
else:
return [ l ]


def deprecate(message: str):
if __debug__:
raise Exception(message)
Expand Down
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