pandas-dev · MayurKishorKumar · Mar 24, 2025 · Mar 24, 2025 · Mar 24, 2025 · Mar 28, 2025
diff --git a/.gitignore b/.gitignore
@@ -23,6 +23,7 @@
 .tags
 .cache/
 .vscode/
+.venv/
 
 # Compiled source #
 ###################
@@ -133,6 +134,7 @@ doc/build/html/index.html
 doc/tmp.sv
 env/
 doc/source/savefig/
+venv/
 
 # Interactive terminal generated files #
 ########################################

diff --git a/...b/site-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/bootstrap.js b/...b/site-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/bootstrap.js
diff --git a/...ges/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/bootstrap.js.LICENSE.txt b/...ges/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/bootstrap.js.LICENSE.txt
@@ -0,0 +1,5 @@
+/*!
+  * Bootstrap v5.3.3 (https://getbootstrap.com/)
+  * Copyright 2011-2024 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+  */
diff --git a/...te-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/bootstrap.js.map b/...te-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/bootstrap.js.map
diff --git a/...site-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/fontawesome.js b/...site-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/fontawesome.js
diff --git a/...s/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/fontawesome.js.LICENSE.txt b/...s/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/fontawesome.js.LICENSE.txt
@@ -0,0 +1,5 @@
+/*!
+ * Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com
+ * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
+ * Copyright 2024 Fonticons, Inc.
+ */
diff --git a/...-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/fontawesome.js.map b/...-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/fontawesome.js.map
diff --git a/...kages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/pydata-sphinx-theme.js b/...kages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/pydata-sphinx-theme.js
diff --git a/...s/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/pydata-sphinx-theme.js.map b/...s/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/scripts/pydata-sphinx-theme.js.map
diff --git a/...kages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/styles/pydata-sphinx-theme.css b/...kages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/styles/pydata-sphinx-theme.css
diff --git a/...s/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/styles/pydata-sphinx-theme.css.map b/...s/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/styles/pydata-sphinx-theme.css.map
diff --git a/...hinx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-brands-400.ttf b/...hinx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-brands-400.ttf
diff --git a/...nx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-brands-400.woff2 b/...nx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-brands-400.woff2
diff --git a/...inx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-regular-400.ttf b/...inx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-regular-400.ttf
diff --git a/...x_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-regular-400.woff2 b/...x_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-regular-400.woff2
diff --git a/...phinx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-solid-900.ttf b/...phinx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-solid-900.ttf
diff --git a/...inx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-solid-900.woff2 b/...inx_theme/theme/pydata_sphinx_theme/static/vendor/fontawesome/webfonts/fa-solid-900.woff2
diff --git a/...ib/site-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/webpack-macros.html b/...ib/site-packages/pydata_sphinx_theme/theme/pydata_sphinx_theme/static/webpack-macros.html
@@ -0,0 +1,24 @@
+<!--
+  AUTO-GENERATED from webpack.config.js, do **NOT** edit by hand.
+  These are re-used in layout.html
+-->
+
+{% macro head_pre_assets() %}
+  <!-- Loaded before other Sphinx assets -->
+  <link href="{{ pathto('_static/styles/theme.css', 1) }}?digest=26a4bc78f4c0ddb94549" rel="stylesheet" />
+<link href="{{ pathto('_static/styles/pydata-sphinx-theme.css', 1) }}?digest=26a4bc78f4c0ddb94549" rel="stylesheet" />
+{% endmacro %}
+
+{% macro head_js_preload() %}
+  <!-- So that users can add custom icons -->
+  <script src="{{ pathto('_static/scripts/fontawesome.js', 1) }}?digest=26a4bc78f4c0ddb94549"></script>
+  <!-- Pre-loaded scripts that we'll load fully later -->
+  <link rel="preload" as="script" href="{{ pathto('_static/scripts/bootstrap.js', 1) }}?digest=26a4bc78f4c0ddb94549" />
+<link rel="preload" as="script" href="{{ pathto('_static/scripts/pydata-sphinx-theme.js', 1) }}?digest=26a4bc78f4c0ddb94549" />
+{% endmacro %}
+
+{% macro body_post() %}
+  <!-- Scripts loaded after <body> so the DOM is not blocked -->
+  <script defer src="{{ pathto('_static/scripts/bootstrap.js', 1) }}?digest=26a4bc78f4c0ddb94549"></script>
+<script defer src="{{ pathto('_static/scripts/pydata-sphinx-theme.js', 1) }}?digest=26a4bc78f4c0ddb94549"></script>
+{% endmacro %}
diff --git a/doc/source/whatsnew/v3.0.0.rst b/doc/source/whatsnew/v3.0.0.rst
@@ -706,6 +706,7 @@ Indexing
 - Bug in :meth:`MultiIndex.insert` when a new value inserted to a datetime-like level gets cast to ``NaT`` and fails indexing (:issue:`60388`)
 - Bug in printing :attr:`Index.names` and :attr:`MultiIndex.levels` would not escape single quotes (:issue:`60190`)
 - Bug in reindexing of :class:`DataFrame` with :class:`PeriodDtype` columns in case of consolidated block (:issue:`60980`, :issue:`60273`)
+- Bug in :meth:`Series.equals` and :meth:`Series.__eq__` where equality comparison would fail if the index values were equal but had differing dtypes (e.g. ``object`` vs ``string``). (:issue:`61099`)
 
 Missing
 ^^^^^^^

diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
@@ -5471,6 +5471,11 @@ def equals(self, other: Any) -> bool:
             # quickly return if the lengths are different
             return False
 
+        if (isinstance(self.dtype, StringDtype) or is_object_dtype(self.dtype)) and (
+            isinstance(other.dtype, StringDtype) or is_object_dtype(other.dtype)
+        ):
+            return array_equivalent(self._values, other._values)
+
         if (
             isinstance(self.dtype, StringDtype)
             and self.dtype.na_value is np.nan

diff --git a/pandas/tests/indexes/test_base.py b/pandas/tests/indexes/test_base.py
@@ -40,6 +40,7 @@
     ensure_index,
     ensure_index_from_sequences,
 )
+from pandas.testing import assert_series_equal
 
 
 class TestIndex:
@@ -1717,3 +1718,38 @@ def test_is_monotonic_pyarrow_list_type():
     idx = Index([[1], [2, 3]], dtype=pd.ArrowDtype(pa.list_(pa.int64())))
     assert not idx.is_monotonic_increasing
     assert not idx.is_monotonic_decreasing
+
+
+def test_index_equals_string_vs_object():
+    # GH 61099
+    idx1 = Index(["a", "b", "c"])
+    idx2 = Index(["a", "b", "c"], dtype="string")
+    assert idx1.equals(idx2)
+    assert idx2.equals(idx1)
+
+
+def test_compare_string_vs_object_index_equality():
+    # GH 61099
+    s1 = Series([1, 2, 3], index=["a", "b", "c"])  # dtype=object
+    s2 = Series([0, 1, 2], index=Index(["a", "b", "c"], dtype="string"))  # dtype=string
+    result = s1 > s2
+    expected = Series([True, True, True], index=["a", "b", "c"])
+    assert_series_equal(result, expected)
+
+
+def test_align_string_vs_object_index():
+    # GH 61099
+    s1 = Series([1, 2, 3], index=["a", "b", "c"])  # object
+    s2 = Series([1, 2, 3], index=Index(["a", "b", "c"], dtype="string"))  # string
+    s1_aligned, s2_aligned = s1.align(s2)
+    assert list(s1_aligned.index) == list(s2_aligned.index)
+
+
+def test_comparison_without_manual_casting():
+    # GH 61099
+    s1 = Series([1, 2, 3], index=["a", "b", "c"])  # object index
+    s2 = Series([1, 2, 3], index=Index(["a", "b", "c"], dtype="string"))
+    # Should not raise
+    result = s1 == s2
+    expected = Series([True, True, True], index=["a", "b", "c"])
+    assert_series_equal(result, expected)