main commit

venv/lib/python3.12/site-packages/asyncpg/compat.py

@@ -4,26 +4,22 @@
 # This module is part of asyncpg and is released under
 # the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0
 
-from __future__ import annotations
 
-import enum
 import pathlib
 import platform
 import typing
 import sys
 
-if typing.TYPE_CHECKING:
-    import asyncio
 
-SYSTEM: typing.Final = platform.uname().system
+SYSTEM = platform.uname().system
 
 
-if sys.platform == 'win32':
+if SYSTEM == 'Windows':
     import ctypes.wintypes
 
-    CSIDL_APPDATA: typing.Final = 0x001a
+    CSIDL_APPDATA = 0x001a
 
-    def get_pg_home_directory() -> pathlib.Path | None:
+    def get_pg_home_directory() -> typing.Optional[pathlib.Path]:
         # We cannot simply use expanduser() as that returns the user's
         # home directory, whereas Postgres stores its config in
         # %AppData% on Windows.
@@ -35,14 +31,14 @@ if sys.platform == 'win32':
             return pathlib.Path(buf.value) / 'postgresql'
 
 else:
-    def get_pg_home_directory() -> pathlib.Path | None:
+    def get_pg_home_directory() -> typing.Optional[pathlib.Path]:
         try:
             return pathlib.Path.home()
         except (RuntimeError, KeyError):
             return None
 
 
-async def wait_closed(stream: asyncio.StreamWriter) -> None:
+async def wait_closed(stream):
     # Not all asyncio versions have StreamWriter.wait_closed().
     if hasattr(stream, 'wait_closed'):
         try:
@@ -53,13 +49,6 @@ async def wait_closed(stream: asyncio.StreamWriter) -> None:
             pass
 
 
-if sys.version_info < (3, 12):
-    def markcoroutinefunction(c):  # type: ignore
-        pass
-else:
-    from inspect import markcoroutinefunction  # noqa: F401
-
-
 if sys.version_info < (3, 12):
     from ._asyncio_compat import wait_for as wait_for  # noqa: F401
 else:
@@ -70,19 +59,3 @@ if sys.version_info < (3, 11):
     from ._asyncio_compat import timeout_ctx as timeout  # noqa: F401
 else:
     from asyncio import timeout as timeout  # noqa: F401
-
-if sys.version_info < (3, 9):
-    from typing import (  # noqa: F401
-        Awaitable as Awaitable,
-    )
-else:
-    from collections.abc import (  # noqa: F401
-        Awaitable as Awaitable,
-    )
-
-if sys.version_info < (3, 11):
-    class StrEnum(str, enum.Enum):
-        __str__ = str.__str__
-        __repr__ = enum.Enum.__repr__
-else:
-    from enum import StrEnum as StrEnum  # noqa: F401