1 files changed, 80 insertions, 0 deletions
diff --git a/src/pendulum/utils/_zoneinfo.py b/src/pendulum/utils/_zoneinfo.py
new file mode 100644
index 0000000..e9f0251
--- /dev/null
+++ b/src/pendulum/utils/_zoneinfo.py
@@ -0,0 +1,80 @@
+from __future__ import annotations
+
+import sys
+
+from typing import TYPE_CHECKING
+
+
+if sys.version_info < (3, 9):
+    # Works around https://github.com/pganssle/zoneinfo/issues/125
+    from backports.zoneinfo import TZPATH
+    from backports.zoneinfo import InvalidTZPathWarning
+    from backports.zoneinfo import ZoneInfoNotFoundError
+    from backports.zoneinfo import available_timezones
+    from backports.zoneinfo import reset_tzpath
+
+    if TYPE_CHECKING:
+        from collections.abc import Iterable
+        from datetime import datetime
+        from datetime import timedelta
+        from datetime import tzinfo
+        from typing import Any
+        from typing import Protocol
+
+        from typing_extensions import Self
+
+        class _IOBytes(Protocol):
+            def read(self, __size: int) -> bytes:
+                ...
+
+            def seek(self, __size: int, __whence: int = ...) -> Any:
+                ...
+
+        class ZoneInfo(tzinfo):
+            @property
+            def key(self) -> str:
+                ...
+
+            def __init__(self, key: str) -> None:
+                ...
+
+            @classmethod
+            def no_cache(cls, key: str) -> Self:
+                ...
+
+            @classmethod
+            def from_file(cls, __fobj: _IOBytes, key: str | None = ...) -> Self:
+                ...
+
+            @classmethod
+            def clear_cache(cls, *, only_keys: Iterable[str] | None = ...) -> None:
+                ...
+
+            def tzname(self, __dt: datetime | None) -> str | None:
+                ...
+
+            def utcoffset(self, __dt: datetime | None) -> timedelta | None:
+                ...
+
+            def dst(self, __dt: datetime | None) -> timedelta | None:
+                ...
+
+    else:
+        from backports.zoneinfo import ZoneInfo
+
+else:
+    from zoneinfo import TZPATH
+    from zoneinfo import InvalidTZPathWarning
+    from zoneinfo import ZoneInfo
+    from zoneinfo import ZoneInfoNotFoundError
+    from zoneinfo import available_timezones
+    from zoneinfo import reset_tzpath
+
+__all__ = [
+    "ZoneInfo",
+    "reset_tzpath",
+    "available_timezones",
+    "TZPATH",
+    "ZoneInfoNotFoundError",
+    "InvalidTZPathWarning",
+]