From 60a8ec7dc195df0a98492d96e954b35fcd9d1eab Mon Sep 17 00:00:00 2001
From: Helmut Grohne <helmut@subdivi.de>
Date: Wed, 13 Aug 2025 10:35:05 +0200
Subject: use typing.Self

Hence some staticmethods become classmethods to actually return an
instance of the class they're being called on.
---
 linuxnamespaces/syscalls.py | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/linuxnamespaces/syscalls.py b/linuxnamespaces/syscalls.py
index 667c557..abddffc 100644
--- a/linuxnamespaces/syscalls.py
+++ b/linuxnamespaces/syscalls.py
@@ -187,7 +187,7 @@ class MountFlags(enum.IntFlag):
         "unbindable": (UNBINDABLE, False, False),
     }
 
-    def change(self, flagsstr: str) -> "MountFlags":
+    def change(self, flagsstr: str) -> typing.Self:
         """Return modified mount flags after applying comma-separated mount
         flags represented as a str. Raise a ValueError if any given flag
         does not correspond to a textual mount flag.
@@ -215,13 +215,13 @@ class MountFlags(enum.IntFlag):
                     ret |= flag
         return ret
 
-    @staticmethod
-    def fromstr(flagsstr: str) -> "MountFlags":
+    @classmethod
+    def fromstr(cls, flagsstr: str) -> typing.Self:
         """Construct mount flags by changing flags according to the passed
         flagsstr using the change method on an initial value with all flags
         cleared.
         """
-        return MountFlags.NONE.change(flagsstr)
+        return cls.NONE.change(flagsstr)
 
     __flagvals: list[tuple[int, str]] = sorted(
         [
@@ -286,15 +286,15 @@ class MountSetattrFlags(enum.IntFlag):
     AT_EMPTY_PATH =      0x1000
     AT_RECURSIVE =       0x8000
 
-    @staticmethod
-    def from_atflags(flags: AtFlags) -> "MountSetattrFlags":
-        ret = MountSetattrFlags.NONE
+    @classmethod
+    def from_atflags(cls, flags: AtFlags) -> typing.Self:
+        ret = cls.NONE
         if flags & AtFlags.AT_SYMLINK_NOFOLLOW:
-            ret |= MountSetattrFlags.AT_SYMLINK_NOFOLLOW
+            ret |= cls.AT_SYMLINK_NOFOLLOW
         if flags & AtFlags.AT_NO_AUTOMOUNT:
-            ret |= MountSetattrFlags.AT_NO_AUTOMOUNT
+            ret |= cls.AT_NO_AUTOMOUNT
         if flags & AtFlags.AT_EMPTY_PATH:
-            ret |= MountSetattrFlags.AT_EMPTY_PATH
+            ret |= cls.AT_EMPTY_PATH
         return ret
 
 
@@ -470,7 +470,7 @@ class CapabilitySets:
         )
 
     @classmethod
-    def get(cls, pid: int = 0) -> "CapabilitySets":
+    def get(cls, pid: int = 0) -> typing.Self:
         """Call capget to retrieve the current capability sets."""
         header = cls._create_header(pid)
         data = (ctypes.c_uint32 * 6)()
-- 
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