Bump min Matplotlib

Author: dstansby

.github/workflows/test_and_publish.yml

@@ -27,9 +27,9 @@ jobs:
           - inkscape
       envs: |
         # Test oldest NEP 29 configurations
-        - linux: py39-test-mpl33
-        - macos: py39-test-mpl33
-        - windows: py39-test-mpl33
+        - linux: py311-test-mpl37
+        - macos: py311-test-mpl37
+        - windows: py311-test-mpl37
         # Test oldest non-NEP 29 configurations
         - linux: py39-test-mpl20
           runs-on: ubuntu-20.04

setup.cfg

@@ -26,7 +26,7 @@ include_package_data = True
 python_requires = >=3.9
 install_requires =
     pytest
-    matplotlib
+    matplotlib>=3.7
     importlib_resources;python_version<'3.8'
     packaging
     Jinja2
@@ -43,7 +43,7 @@ docs =
     sphinx
     mpl_sphinx_theme>=3.6.0.dev0
     sphinx_design
-    matplotlib==3.6
+    matplotlib==3.7
 
 [tool:pytest]
 testpaths = tests

tests/helpers.py

@@ -16,15 +16,6 @@ def pytester_path(pytester):
 
 
 def skip_if_format_unsupported(file_format, using_hashes=False):
-    if file_format == 'svg' and MPL_VERSION < Version('3.3'):
-        pytest.skip('SVG comparison is only supported in Matplotlib 3.3 and above')
-
-    if using_hashes:
-
-        if file_format == 'pdf' and MPL_VERSION < Version('2.1'):
-            pytest.skip('PDF hashes are only deterministic in Matplotlib 2.1 and above')
-        elif file_format == 'eps' and MPL_VERSION < Version('2.1'):
-            pytest.skip('EPS hashes are only deterministic in Matplotlib 2.1 and above')
 
     if using_hashes and not sys.platform.startswith('linux'):
         pytest.skip('Hashes for vector graphics are only provided in the hash library for Linux')

tests/test_deterministic.py

@@ -53,7 +53,6 @@ def test_mpl():
         ("true", "", False, False),
     ],
 )
-@pytest.mark.skipif(MPL_VERSION < Version("3.3.0"), reason="Test unsupported: Default metadata is different in MPL<3.3")
 def test_config(pytester, file_format, ini, cli, kwarg, success_expected):
     skip_if_format_unsupported(file_format, using_hashes=True)
 

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{39,310,311,312}-test-mpl{33,34,35,36,37,38}
+    py{39,310,311,312}-test-mpl{37,38}
     py312-test-mpldev-pytestdev
     codestyle
 requires =
@@ -19,17 +19,6 @@ setenv =
 changedir = .tmp/{envname}
 description = run tests
 deps =
-    mpl20: matplotlib==2.0.*
-    mpl20: nose
-    mpl21: matplotlib==2.1.*
-    mpl22: matplotlib==2.2.*
-    mpl30: matplotlib==3.0.*
-    mpl31: matplotlib==3.1.*
-    mpl32: matplotlib==3.2.*
-    mpl33: matplotlib==3.3.*
-    mpl34: matplotlib==3.4.*
-    mpl35: matplotlib==3.5.*
-    mpl36: matplotlib==3.6.*
     mpl37: matplotlib==3.7.*
     mpl38: matplotlib==3.8.*
     mpldev: matplotlib>=0.0.dev0