drop python 3.9 support (#130)

* drop python 3.9 support

* changelog

Author: mathause

.github/workflows/ci.yaml

@@ -22,11 +22,11 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.9", "3.11", "3.12"]
+        python-version: ["3.10", "3.12"]
         env: [""]
         include:
           - env: "min-all-deps"
-            python-version: "3.9"
+            python-version: "3.10"
             os: "ubuntu-latest"
           - env: ""
             python-version: "3.12"

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Breaking changes
 
+- Removed support for python 3.9 ([#130](https://github.com/mathause/mplotutils/pull/130)).
 - The minimum versions of some dependencies were changed ([#117](https://github.com/mathause/mplotutils/pull/117) and [#118](https://github.com/mathause/mplotutils/pull/118)).
 
   | Package     | Old  | New     |

ci/requirements/min-all-deps.yml

@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - nodefaults
 dependencies:
-  - python=3.9
+  - python=3.10
   - cartopy=0.21
   - matplotlib-base=3.7
   - numpy=1.22

docs/installation.md

@@ -2,7 +2,7 @@
 
 ## Required dependencies
 
-- Python (3.9 or later)
+- Python (3.10 or later)
 - [cartopy](http://scitools.org.uk/cartopy/) (0.21 or later)
 - [matplotlib](http://matplotlib.org/) (3.7 or later)
 - [numpy](http://www.numpy.org/) (1.22 or later)

mplotutils/tests/test_mapticklabels.py

@@ -1,5 +1,3 @@
-import sys
-
 import cartopy.crs as ccrs
 import numpy as np
 
@@ -21,9 +19,7 @@ def test_yticklabels_robinson():
         # two elements are not added because they are beyond the map limits
         lat = lat[1:-1]
 
-        # remove when dropping py 3.9
-        strict = {"strict": True} if sys.version_info >= (3, 10) else {}
-        for t, y_pos in zip(ax.texts, lat, **strict):
+        for t, y_pos in zip(ax.texts, lat, strict=True):
             np.testing.assert_allclose((x_pos, y_pos), t.xy, atol=0.01)
 
         assert ax.texts[0].get_text() == "70°S"
@@ -44,9 +40,7 @@ def test_yticklabels_robinson_180():
         # two elements are not added because they are beyond the map limits
         lat = lat[1:-1]
 
-        # remove when dropping py 3.9
-        strict = {"strict": True} if sys.version_info >= (3, 10) else {}
-        for t, y_pos in zip(ax.texts, lat, **strict):
+        for t, y_pos in zip(ax.texts, lat, strict=True):
             np.testing.assert_allclose((x_pos, y_pos), t.xy, atol=0.01)
 
         assert ax.texts[0].get_text() == "70°S"
@@ -66,10 +60,7 @@ def test_xticklabels_robinson():
         # two elements are not added because they are beyond the map limits
         lon = lon[1:-1]
 
-        # remove when dropping py 3.9
-        strict = {"strict": True} if sys.version_info >= (3, 10) else {}
-
-        for t, x_pos in zip(ax.texts, lon, **strict):
+        for t, x_pos in zip(ax.texts, lon, strict=True):
             np.testing.assert_allclose((x_pos, y_pos), t.xy, atol=0.01)
 
         assert ax.texts[0].get_text() == "120°W"

setup.cfg

@@ -14,7 +14,6 @@ classifiers =
     Intended Audience :: Science/Research
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
@@ -23,7 +22,7 @@ classifiers =
 packages = find:
 zip_safe = False  # https://mypy.readthedocs.io/en/latest/installed_packages.html
 include_package_data = True
-python_requires = >=3.9
+python_requires = >=3.10
 install_requires =
     cartopy >=0.21
     matplotlib >=3.7