commit - 52328a607b0de317a4d50f1763c91b054df3c1b1
commit + 32820bdabd280c2f60d32014bb7a6dd3eac27a04
blob - e9266b05d801c6d50cc6a8b1149abd5749b773ce
blob + b2f34545e8e96d302115d0791a7a4cf90692bcf1
--- dulwich/index.py
+++ dulwich/index.py
@@ -20,7 +20,7 @@
 
 """Parser for the git index file format."""
 
-import collections
+from dataclasses import dataclass
 import os
 import stat
 import struct
@@ -52,23 +52,19 @@ from .objects import (
 )
 from .pack import ObjectContainer, SHA1Reader, SHA1Writer
 
-# TODO(jelmer): Switch to dataclass?
-IndexEntry = collections.namedtuple(
-    "IndexEntry",
-    [
-        "ctime",
-        "mtime",
-        "dev",
-        "ino",
-        "mode",
-        "uid",
-        "gid",
-        "size",
-        "sha",
-        "flags",
-        "extended_flags",
-    ],
-)
+@dataclass
+class IndexEntry:
+    ctime: int | float | Tuple[int, int]
+    mtime: int | float | Tuple[int, int]
+    dev: int
+    ino: int
+    mode: int
+    uid: int
+    gid: int
+    size: int
+    sha: bytes
+    flags: int
+    extended_flags: int
 
 
 class ConflictedIndexEntry:
blob - 411fb6485f956dec8b810720f0a1172b9bf80eed
blob + 660fa416263b69b99f262355b22775d69912a61f
--- dulwich/tests/test_index.py
+++ dulwich/tests/test_index.py
@@ -92,7 +92,7 @@ class SimpleIndexTestCase(IndexTestCase):
 
     def test_getitem(self):
         self.assertEqual(
-            (
+            IndexEntry(
                 (1230680220, 0),
                 (1230680220, 0),
                 2050,
@@ -298,9 +298,9 @@ class IndexEntryFromStatTests(TestCase):
 
 class BuildIndexTests(TestCase):
     def assertReasonableIndexEntry(self, index_entry, mode, filesize, sha):
-        self.assertEqual(index_entry[4], mode)  # mode
-        self.assertEqual(index_entry[7], filesize)  # filesize
-        self.assertEqual(index_entry[8], sha)  # sha
+        self.assertEqual(index_entry.mode, mode)  # mode
+        self.assertEqual(index_entry.size, filesize)  # filesize
+        self.assertEqual(index_entry.sha, sha)  # sha
 
     def assertFileContents(self, path, contents, symlink=False):
         if symlink:
@@ -573,8 +573,8 @@ class BuildIndexTests(TestCase):
             # dir c
             cpath = os.path.join(repo.path, "c")
             self.assertTrue(os.path.isdir(cpath))
-            self.assertEqual(index[b"c"][4], S_IFGITLINK)  # mode
-            self.assertEqual(index[b"c"][8], c.id)  # sha
+            self.assertEqual(index[b"c"].mode, S_IFGITLINK)  # mode
+            self.assertEqual(index[b"c"].sha, c.id)  # sha
 
     def test_git_submodule_exists(self):
         repo_dir = tempfile.mkdtemp()
@@ -614,8 +614,8 @@ class BuildIndexTests(TestCase):
             # dir c
             cpath = os.path.join(repo.path, "c")
             self.assertTrue(os.path.isdir(cpath))
-            self.assertEqual(index[b"c"][4], S_IFGITLINK)  # mode
-            self.assertEqual(index[b"c"][8], c.id)  # sha
+            self.assertEqual(index[b"c"].mode, S_IFGITLINK)  # mode
+            self.assertEqual(index[b"c"].sha, c.id)  # sha
 
 
 class GetUnstagedChangesTests(TestCase):