Drop python 3.10; increase required dependency versions

.github/workflows/publish.yml

@@ -23,7 +23,7 @@ jobs:
       uses: actions/setup-python@v5
       with:
         # Python version should be the minimum supported version
-        python-version: "3.10"
+        python-version: "3.11"
 
     - name: Install build tools
       run: |

.github/workflows/pytest-remote-data.yml

@@ -56,10 +56,10 @@ jobs:
     strategy:
       fail-fast: false  # don't cancel other matrix jobs when one fails
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
         suffix: ['']  # the alternative to "-min"
         include:
-          - python-version: "3.10"
+          - python-version: "3.11"
             suffix: -min
 
     runs-on: ubuntu-latest
@@ -107,7 +107,7 @@ jobs:
         run: pytest tests/iotools --cov=./ --cov-report=xml --remote-data
 
       - name: Upload coverage to Codecov
-        if: matrix.python-version == '3.10' && matrix.suffix == ''
+        if: matrix.python-version == '3.11' && matrix.suffix == ''
         uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: true

.github/workflows/pytest.yml

@@ -12,12 +12,12 @@ jobs:
       fail-fast: false  # don't cancel other matrix jobs when one fails
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
         environment-type: [conda, bare]
         suffix: ['']  # placeholder as an alternative to "-min"
         include:
           - os: ubuntu-latest
-            python-version: "3.10"
+            python-version: "3.11"
             environment-type: conda
             suffix: -min
         exclude:
@@ -83,7 +83,7 @@ jobs:
           pytest tests --cov=./ --cov-report=xml --ignore=tests/iotools
 
       - name: Upload coverage to Codecov
-        if: matrix.python-version == '3.10' && matrix.suffix == '' && matrix.os == 'ubuntu-latest' && matrix.environment-type == 'conda'
+        if: matrix.python-version == '3.11' && matrix.suffix == '' && matrix.os == 'ubuntu-latest' && matrix.environment-type == 'conda'
         uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: true

benchmarks/asv.conf.json

@@ -113,19 +113,19 @@
     "include": [
         // minimum supported versions
         {
-            "python": "3.10",
+            "python": "3.11",
             "build": "",
-            "numpy": "1.21.5",
-            "pandas": "1.4.1",  // first anaconda version to support py 3.10
-            "scipy": "1.7.2",
+            "numpy": "1.23.5",
+            "pandas": "1.5.1",  // first anaconda version to support py 3.11
+            "scipy": "1.9.3",  // first anaconda version to support py 3.11
             // Note: these don't have a minimum in setup.py
-            "h5py": "3.6.0",  // first version to support py 3.10
-            "ephem": "4.1.1",  // first version to support py 3.10
-            "numba": "0.55.0",  // first version to support py 3.10
+            "h5py": "3.9.0",  // first anaconda version to support py 3.11
+            "ephem": "4.1.5",  // first anaconda version to support py 3.11
+            "numba": "0.57.0",  // first anaconda version to support py 3.11
         },
         // latest versions available
         {
-            "python": "3.10",
+            "python": "3.11",
             "build": "",
             "numpy": "",
             "pandas": "",

ci/requirements-py3.10-min.yml → ci/requirements-py3.11-min.yml

@@ -8,14 +8,14 @@ dependencies:
     - pytest-cov
     - pytest-mock
     - pytest-timeout
-    - python=3.10
+    - python=3.11
     - pytz
     - requests
     - pip:
-        - h5py==3.6.0
-        - numpy==1.21.2
-        - pandas==1.3.3  # min version of pvlib
-        - scipy==1.7.2
+        - h5py==3.8.0
+        - numpy==1.23.2
+        - pandas==1.5.0
+        - scipy==1.9.2
         - pytest-rerunfailures # conda version is >3.6
         - pytest-remotedata # conda package is 0.3.0, needs > 0.3.1
         - requests-mock

docs/sphinx/source/whatsnew/v0.16.0.rst

@@ -122,6 +122,12 @@ Benchmarking
 
 Requirements
 ~~~~~~~~~~~~
+* Increase minimum requirements to (:pull:`2860`):
+
+  - python: 3.11
+  - numpy: 1.23.2
+  - pandas: 1.5.0
+  - scipy: 1.9.2
 
 
 Maintenance

pvlib/singlediode.py

@@ -345,8 +345,7 @@ def vd_from_brent(voc, v, iph, isat, rs, rsh, gamma, d2mutau, NsVbi,
         except ModuleNotFoundError as e:
             # TODO remove this when our minimum scipy version is >=1.15
             msg = (
-                "method='chandrupatla' requires scipy v1.15 or greater "
-                "(available for Python 3.10+). "
+                "method='chandrupatla' requires scipy v1.15 or greater. "
                 "Select another method, or update your version of scipy."
             )
             raise ImportError(msg) from e
@@ -517,8 +516,7 @@ def vd_from_brent(voc, i, iph, isat, rs, rsh, gamma, d2mutau, NsVbi,
         except ModuleNotFoundError as e:
             # TODO remove this when our minimum scipy version is >=1.15
             msg = (
-                "method='chandrupatla' requires scipy v1.15 or greater "
-                "(available for Python 3.10+). "
+                "method='chandrupatla' requires scipy v1.15 or greater. "
                 "Select another method, or update your version of scipy."
             )
             raise ImportError(msg) from e
@@ -684,8 +682,7 @@ def fmpp(x, *a):
         except ModuleNotFoundError as e:
             # TODO remove this when our minimum scipy version is >=1.15
             msg = (
-                "method='chandrupatla' requires scipy v1.15 or greater "
-                "(available for Python 3.10+). "
+                "method='chandrupatla' requires scipy v1.15 or greater. "
                 "Select another method, or update your version of scipy."
             )
             raise ImportError(msg) from e

pyproject.toml

@@ -9,13 +9,13 @@ description = "A set of functions and classes for simulating the performance of
 authors = [
     { name = "pvlib python Developers", email = "pvlib-admin@googlegroups.com" },
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 dependencies = [
-    'numpy >= 1.21.2',
-    'pandas >= 1.3.3',
+    'numpy >= 1.23.2',
+    'pandas >= 1.5.0',
     'pytz',
     'requests',
-    'scipy >= 1.7.2',
+    'scipy >= 1.9.2',
     'h5py',
     'tzdata', # ensure all timezones are available in all installs for consistency GH#2795
 ]