DEP: Minimum supported Python version 3.10

.github/workflows/build_docs.yaml

@@ -23,15 +23,15 @@ jobs:
       - name: Setup Conda
         uses: s-weigand/setup-conda@v1
         with:
-          python-version: 3.9
+          python-version: 3.11
           conda-channels: conda-forge
 
       - name: Install and Build
         shell: bash
         run: |
           conda config --prepend channels conda-forge
           conda config --set channel_priority strict
-          conda create -n docs python=3.9 cython proj
+          conda create -n docs python=3.11 cython proj
           source activate docs
           python -m pip install -e .
           python -m pip install -r requirements-docs.txt

.github/workflows/test_proj_latest.yaml

@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
-            python-version: 3.9
+            python-version: 3.11
       - name: Install PROJ
         shell: bash
         run: |

.github/workflows/tests.yaml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
-            python-version: 3.9
+            python-version: 3.10
       - uses: pre-commit/action@v3.0.0
       - name: Install mypy
         run: |
@@ -40,16 +40,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         proj-version: ['9.3.0']
         include:
-          - python-version: '3.9'
+          - python-version: '3.10'
             proj-version: '9.2.1'
-          - python-version: '3.9'
+          - python-version: '3.10'
             proj-version: '9.1.1'
-          - python-version: '3.9'
+          - python-version: '3.10'
             proj-version: '9.1.0'
-          - python-version: '3.9'
+          - python-version: '3.10'
             proj-version: '9.0.1'
     steps:
       - uses: actions/checkout@v4
@@ -125,7 +125,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.11', '3.12']
         python-implementation: [python]
         proj-version: ['*']
         include:

appveyor.yml

@@ -13,17 +13,17 @@ environment:
     # See: http://www.appveyor.com/docs/installed-software#python
     # build is limited to 60 minutes, without caching each build takes 10-30 minutes
     # with caching build takes less than 1 minute
-    - PYTHON: "C:\\Python39-x64"
+    - PYTHON: "C:\\Python310-x64"
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       PROJSOURCE: 9.3.0
       BUILD_SHARED_LIBS: ON
-    # - PYTHON: "C:\\Python39-x64"
+    # - PYTHON: "C:\\Python310-x64"
     #   APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
     #   PROJSOURCE: git
     #   BUILD_SHARED_LIBS: ON
 # matrix:
 #   allow_failures:
-#     - PYTHON: "C:\\Python39-x64"
+#     - PYTHON: "C:\\Python310-x64"
 #       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
 #       PROJSOURCE: git
 #       BUILD_SHARED_LIBS: ON

docs/history.rst

@@ -3,6 +3,7 @@ Change Log
 
 Latest
 ------
+- DEP: Minimum supported Python version 3.10 (pull #1357)
 
 3.6.1
 ------

docs/index.rst

@@ -7,7 +7,7 @@ GitHub Repository: https://github.com/pyproj4/pyproj
 
 .. note:: Minimum supported PROJ version is 9.0
 
-.. note:: Minimum supported Python version is 3.9
+.. note:: Minimum supported Python version is 3.10
 
 .. note:: Linux (manylinux2014) wheels require pip 19.3+
 

pyproj/__init__.py

@@ -4,7 +4,7 @@
 
 Download: http://python.org/pypi/pyproj
 
-Requirements: Python 3.9+.
+Requirements: Python 10+.
 
 Contact:  Jeffrey Whitaker <jeffrey.s.whitaker@noaa.gov>
 

pyproject.toml

@@ -29,7 +29,6 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -40,7 +39,7 @@ classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Typing :: Typed",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "certifi",
 ]
@@ -64,4 +63,4 @@ include = ["pyproj", "pyproj.*"]
 version = {attr = "pyproj.__version__"}
 
 [tool.black]
-target_version = ["py39"]
+target_version = ["py310"]