Increase minimally-supported versions of Python and dependencies (#3208)

* Increase minimally-supported versions of Python and dependencies

* Update pinned versions in file that CI workflow reads from

* Put better guards around pandas extension dtype comparisons

* Adjust backcompat gate

.github/workflows/ci.yaml

@@ -20,10 +20,10 @@ jobs:
  steps:
  - uses: actions/checkout@v3
 
- - name: Setup Python 3.10
+ - name: Setup Python 3.11
  uses: actions/setup-python@v4
  with:
- python-version: "3.10"
+ python-version: "3.11"
 
  - name: Install seaborn
  run: |
@@ -53,15 +53,15 @@ jobs:
 
  strategy:
  matrix:
- python: ["3.7", "3.8", "3.9", "3.10"]
+ python: ["3.8", "3.9", "3.10", "3.11"]
  install: [full]
  deps: [latest]
 
  include:
- - python: "3.7"
+ - python: "3.8"
  install: full
  deps: pinned
- - python: "3.10"
+ - python: "3.11"
  install: light
  deps: latest
 

ci/deps_pinned.txt

@@ -1,8 +1,5 @@
-numpy~=1.17.0
-pandas~=0.25.0
-matplotlib~=3.1.0
-scipy~=1.3.0
-statsmodels~=0.10.0
-# Pillow added in install_requires for later matplotlibs
-pillow>=6.2.0
-typing_extensions
+numpy~=1.20.0
+pandas~=1.2.0
+matplotlib~=3.3.0
+scipy~=1.7.0
+statsmodels~=0.12.0

pyproject.toml

@@ -11,28 +11,27 @@ license = {file = "LICENSE.md"}
 dynamic = ["version"]
 classifiers = [
  "Intended Audience :: Science/Research",
- "Programming Language :: Python :: 3.7",
  "Programming Language :: Python :: 3.8",
  "Programming Language :: Python :: 3.9",
  "Programming Language :: Python :: 3.10",
+ "Programming Language :: Python :: 3.11",
  "License :: OSI Approved :: BSD License",
  "Topic :: Scientific/Engineering :: Visualization",
  "Topic :: Multimedia :: Graphics",
  "Operating System :: OS Independent",
  "Framework :: Matplotlib",
 ]
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 dependencies = [
- "numpy>=1.17,!=1.24.0",
- "pandas>=0.25",
- "matplotlib>=3.1,!=3.6.1",
- "typing_extensions; python_version < '3.8'",
+ "numpy>=1.20,!=1.24.0",
+ "pandas>=1.2",
+ "matplotlib>=3.3,!=3.6.1",
 ]
 
 [project.optional-dependencies]
 stats = [
- "scipy>=1.3",
- "statsmodels>=0.10",
+ "scipy>=1.7",
+ "statsmodels>=0.12",
 ]
 dev = [
  "pytest",

seaborn/_core/rules.py

@@ -8,8 +8,6 @@
 import numpy as np
 import pandas as pd
 
-from seaborn.external.version import Version
-
 from typing import TYPE_CHECKING
 if TYPE_CHECKING:
  from typing import Literal
@@ -90,10 +88,10 @@ def variable_type(
  category=(FutureWarning, DeprecationWarning) # type: ignore # mypy bug?
  )
  if strict_boolean:
- if Version(pd.__version__) < Version("1.0.0"):
- boolean_dtypes = ["bool"]
- else:
+ if isinstance(vector.dtype, pd.core.dtypes.base.ExtensionDtype):
  boolean_dtypes = ["bool", "boolean"]
+ else:
+ boolean_dtypes = ["bool"]
  boolean_vector = vector.dtype in boolean_dtypes
  else:
  boolean_vector = bool(np.isin(vector, [0, 1, np.nan]).all())

tests/_core/test_plot.py

@@ -1404,7 +1404,7 @@ def test_layout_algo(self, algo):
 
  sep1 = bb12.corners()[0, 0] - bb11.corners()[2, 0]
  sep2 = bb22.corners()[0, 0] - bb21.corners()[2, 0]
- assert sep1 < sep2
+ assert sep1 <= sep2
 
  def test_axis_sharing(self, long_df):
 
@@ -2056,7 +2056,7 @@ def _legend_artist(self, variables, value, scales):
  labels = [t.get_text() for t in legend.get_texts()]
  assert labels == names
 
- if Version(mpl.__version__) >= Version("3.2"):
+ if Version(mpl.__version__) >= Version("3.4"):
  contents = legend.get_children()[0]
  assert len(contents.findobj(mpl.lines.Line2D)) == len(names)
  assert len(contents.findobj(mpl.patches.Patch)) == len(names)