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import re
import socket
import sys
from typing import Callable, Optional, Tuple
def init_transparent_mode() -> None:
"""
Initialize transparent mode.
"""
original_addr: Optional[Callable[[socket.socket], Tuple[str, int]]]
"""
Get the original destination for the given socket.
This function will be None if transparent mode is not supported.
"""
if re.match(r"linux(?:2)?", sys.platform):
from . import linux
original_addr = linux.original_addr
elif sys.platform == "darwin" or sys.platform.startswith("freebsd"):
from . import osx
original_addr = osx.original_addr
elif sys.platform.startswith("openbsd"):
from . import openbsd
original_addr = openbsd.original_addr
elif sys.platform == "win32":
from . import windows
resolver = windows.Resolver()
init_transparent_mode = resolver.setup # noqa
original_addr = resolver.original_addr
else:
original_addr = None
__all__ = [
"original_addr",
"init_transparent_mode"
]
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