Pandas 3.0 compatibility

.github/workflows/test.yaml

@@ -81,6 +81,10 @@ jobs:
               "os": ["ubuntu-latest", "macos-latest", "windows-latest"],
               "environment": ["test-310", "test-313", "test-314"],
               "include": [
+                {
+                  "environment": "test-pandas3",
+                  "os": "ubuntu-latest"
+                },
                 {
                   "environment": "test-311",
                   "os": "ubuntu-latest"

doc/conftest.py

@@ -7,6 +7,7 @@
 
 from packaging.version import Version, parse
 from bokeh.io.webdriver import webdriver_control
+from hvplot.util import _PD_GE_3_0_0
 
 # Examples that are slow to run and/or download large files.
 SLOW_EXAMPLES = [
@@ -56,6 +57,9 @@
         'ref/plotting_options/streaming.ipynb',
     ]
 
+if _PD_GE_3_0_0:
+    # Because of fugue
+    collect_ignore_glob += ['ref/data_libraries.ipynb']
 
 try:
     import ibis

hvplot/tests/testfugue.py

@@ -4,6 +4,8 @@
 import pandas as pd
 import pytest
 
+from hvplot.util import _PD_GE_3_0_0
+
 # Patch required before importing hvplot.fugue
 hvplot.util._fugue_ipython = True
 
@@ -27,6 +29,7 @@ def table():
     return df
 
 
+@pytest.mark.skipif(_PD_GE_3_0_0, reason='breaks with Pandas 3')
 def test_fugure_ipython_line(table, capsys):
     """hvplot works with Fugue"""
     fa.fugue_sql(

hvplot/tests/testinteractive.py

@@ -156,13 +156,13 @@ def sel_col(col):
 
     dfi = Interactive(bind(sel_col, select))
     assert type(dfi) is Interactive
-    assert dfi._obj is df.A
+    pd.testing.assert_series_equal(dfi._obj, df.A)
     assert isinstance(dfi._fn, pn.param.ParamFunction)
     assert dfi._transform == dim('*')
     assert dfi._method is None
 
     select.value = 'B'
-    assert dfi._obj is df.B
+    pd.testing.assert_series_equal(dfi._obj, df.B)
 
 
 def test_interactive_xarray_function(dataset):

hvplot/util.py

@@ -37,6 +37,7 @@
 
 _HV_VERSION = hv_version.release
 _HV_GE_1_21_0 = _HV_VERSION >= (1, 21, 0)
+_PD_GE_3_0_0 = Version(pd.__version__).release >= (3, 0, 0)
 
 _fugue_ipython = None  # To be set to True in tests to mock ipython
 

pixi.toml

@@ -37,6 +37,10 @@ no-default-feature = true
 features = ["py314", "required", "test-core", "test", "example", "geo", "graphviz", "test-example"]
 no-default-feature = true
 
+[environments.test-pandas3]
+features = ["py313", "required", "test-core", "test", "example", "geo", "graphviz", "test-example", "pandas3"]
+no-default-feature = true
+
 [environments.test-core]
 features = ["py314", "required", "test-core"]
 no-default-feature = true
@@ -270,3 +274,11 @@ pre-commit = "*"
 [feature.lint.tasks]
 lint = 'pre-commit run --all-files'
 lint-install = 'pre-commit install'
+
+# ================== SPECIAL ====================
+
+[feature.pandas3]
+channels = ["conda-forge/label/pandas_rc"]
+
+[feature.pandas3.dependencies]
+pandas = { version = ">=3.0.0rc0,<3.0.0", channel = "conda-forge/label/pandas_rc" }

pyproject.toml

@@ -209,6 +209,8 @@ filterwarnings = [
     "ignore:'_UnionGenericAlias' is deprecated and slated for removal in Python 3.17", # OK
     # 2025-12
     "ignore:pkg_resources is deprecated as an API:UserWarning:fugue_sql_antlr.parser",
+    # 2025-12
+    "ignore:The 'shapely.geos' module is deprecated:DeprecationWarning:geopandas._compat",
 ]
 
 [tool.codespell]