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"""
A platform independent file lock that supports the with-statement.
.. autodata:: filelock.__version__
:no-value:
"""
from __future__ import annotations
import sys
import warnings
from typing import TYPE_CHECKING
from ._api import AcquireReturnProxy, BaseFileLock
from ._error import Timeout
from ._soft import SoftFileLock
from ._unix import UnixFileLock, has_fcntl
from ._windows import WindowsFileLock
from .version import version
#: version of the project as a string
__version__: str = version
if sys.platform == "win32": # pragma: win32 cover
_FileLock: type[BaseFileLock] = WindowsFileLock
else: # pragma: win32 no cover
if has_fcntl:
_FileLock: type[BaseFileLock] = UnixFileLock
else:
_FileLock = SoftFileLock
if warnings is not None:
warnings.warn("only soft file lock is available")
#: Alias for the lock, which should be used for the current platform. On Windows, this is an alias for
# :class:`WindowsFileLock`, on Unix for :class:`UnixFileLock` and otherwise for :class:`SoftFileLock`.
if TYPE_CHECKING:
FileLock = SoftFileLock
else:
FileLock = _FileLock
__all__ = [
"__version__",
"FileLock",
"SoftFileLock",
"Timeout",
"UnixFileLock",
"WindowsFileLock",
"BaseFileLock",
"AcquireReturnProxy",
]