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"""Holds whether asset hashing is enabled for this process, taken from the

command-line flag once at startup. Callers ask here rather than reading

arguments themselves, and asking before initialization raises instead of

defaulting, so a route can never quietly answer as though hashing were off.

"""

from __future__ import annotations

from typing import Protocol

class _HashingArguments(Protocol):

enable_asset_hashing: bool

_args: _HashingArguments | None = None

def init(args: _HashingArguments) -> None:

global _args

_args = args

def hashing_enabled() -> bool:

if _args is None:

raise RuntimeError(

"app.assets.mode.init() was not called before hashing_enabled(); "

"hash-mode state is uninitialised"

)

return bool(_args.enable_asset_hashing)