Merge pull request #185 from eerovaher/drop-np-lt-1.21

Drop support for Python 3.9

Author: mhvk

.github/workflows/ci_workflows.yml

@@ -24,18 +24,10 @@ jobs:
 
           - name: Test with oldest supported versions of our dependencies
             os: ubuntu-22.04
-            python: 3.9
+            python: '3.10'
             toxenv: test-oldestdeps
             toxargs: -v
 
-          - name: Test with medium old supported versions of our dependencies
-            # Test that we do not have a problem with some specific version (gh-101).
-            # Comment out if not needed.
-            os: ubuntu-22.04
-            python: 3.9
-            toxenv: test-olddeps
-            toxargs: -v
-
           - name: Test with development versions of our dependencies
             os: ubuntu-latest
             python: '3.14'
@@ -93,7 +85,7 @@ jobs:
 
           - name: Tests with external liberfa
             os: ubuntu-latest
-            python: 3.9
+            python: '3.10'
             toxenv: test
             toxargs: -v
             apt_packages: python3-venv python3-pip liberfa-dev python3-numpy
@@ -134,7 +126,7 @@ jobs:
       with:
         # this is mainly meant to be useful on old or exotic archs
         # so we use our oldest-supported Python
-        python-version: '3.9'
+        python-version: '3.10'
     - name: Install build-time dependencies
       run: |
         python -m pip install --upgrade wheel setuptools setuptools_scm jinja2 'numpy<2.0'

erfa_generator.py

@@ -602,12 +602,8 @@ def xfail(self):
         Right now this will be true for functions without inputs such
         as eraIr with numpy < 1.24.
         """
-        if self.nin + self.ninout == 0:
-            if self.name == 'zpv':
-                # Works on newer numpy
-                return "np.__version__ < '1.21', reason='needs numpy >= 1.21'"
-            else:
-                return "np.__version__ < '1.24', reason='numpy < 1.24 do not support no-input ufuncs'"
+        if self.nin + self.ninout == 0 and self.name != "zpv":
+            return "np.__version__ < '1.24', reason='numpy < 1.24 do not support no-input ufuncs'"
         else:
             return None
 

pyproject.toml

@@ -25,8 +25,8 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Physics",
 ]
 urls = {Homepage = "https://github.com/liberfa/pyerfa"}
-requires-python = ">=3.9"
-dependencies = ["numpy>=1.19.3"]
+requires-python = ">=3.10"
+dependencies = ["numpy>=1.21.3"]
 dynamic = ["version"]
 
 [project.optional-dependencies]

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    test{,-oldestdeps,-olddeps,-devdeps}
+    test{,-oldestdeps,-devdeps}
     build_docs
     linkcheck
     codestyle
@@ -32,13 +32,11 @@ changedir = .tmp/{envname}
 description =
     run tests
     devdeps: with the latest developer version of key dependencies
-    olddeps: with medium old versions of key dependencies
     oldestdeps: with the oldest supported version of key dependencies
 
 # The following provides some specific pinnings for key packages
 deps =
-    oldestdeps: numpy==1.19.*  # astropy LTS
-    olddeps: numpy==1.20.*  # something potentially problematic (see gh-101)
+    oldestdeps: numpy==1.21.*
     devdeps: numpy>=0.0.dev0
 
 # The following indicates which extras_require from setup.cfg will be installed