hankin
423baff73b
- Docker bridge 网络隔离（8000 端口封死） - Gunicorn 4 Worker 多进程 - Alembic 数据库迁移基线 - 日志轮转 20m×3 - JWT 密钥 + DB 密码 + CORS 收紧 - 3-2-1 备份链路（NAS + R740-B 冷备） - 连接池 pool_pre_ping + pool_recycle=3600
89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
# Copyright (C) 2016-present the asyncpg authors and contributors
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# <see AUTHORS file>
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#
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# This module is part of asyncpg and is released under
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# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations
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import enum
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import pathlib
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import platform
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import typing
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import sys
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if typing.TYPE_CHECKING:
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import asyncio
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SYSTEM: typing.Final = platform.uname().system
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if sys.platform == 'win32':
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import ctypes.wintypes
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CSIDL_APPDATA: typing.Final = 0x001a
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def get_pg_home_directory() -> pathlib.Path | None:
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# We cannot simply use expanduser() as that returns the user's
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# home directory, whereas Postgres stores its config in
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# %AppData% on Windows.
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buf = ctypes.create_unicode_buffer(ctypes.wintypes.MAX_PATH)
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r = ctypes.windll.shell32.SHGetFolderPathW(0, CSIDL_APPDATA, 0, 0, buf)
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if r:
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return None
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else:
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return pathlib.Path(buf.value) / 'postgresql'
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else:
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def get_pg_home_directory() -> pathlib.Path | None:
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try:
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return pathlib.Path.home()
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except (RuntimeError, KeyError):
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return None
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async def wait_closed(stream: asyncio.StreamWriter) -> None:
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# Not all asyncio versions have StreamWriter.wait_closed().
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if hasattr(stream, 'wait_closed'):
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try:
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await stream.wait_closed()
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except ConnectionResetError:
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# On Windows wait_closed() sometimes propagates
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# ConnectionResetError which is totally unnecessary.
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pass
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if sys.version_info < (3, 12):
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def markcoroutinefunction(c): # type: ignore
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pass
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else:
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from inspect import markcoroutinefunction # noqa: F401
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if sys.version_info < (3, 12):
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from ._asyncio_compat import wait_for as wait_for # noqa: F401
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else:
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from asyncio import wait_for as wait_for # noqa: F401
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if sys.version_info < (3, 11):
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from ._asyncio_compat import timeout_ctx as timeout # noqa: F401
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else:
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from asyncio import timeout as timeout # noqa: F401
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if sys.version_info < (3, 9):
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from typing import ( # noqa: F401
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Awaitable as Awaitable,
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)
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else:
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from collections.abc import ( # noqa: F401
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Awaitable as Awaitable,
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)
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if sys.version_info < (3, 11):
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class StrEnum(str, enum.Enum):
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__str__ = str.__str__
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__repr__ = enum.Enum.__repr__
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else:
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from enum import StrEnum as StrEnum # noqa: F401
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