nidaqmx: Remove support for Python 3.9

.github/ISSUE_TEMPLATE/bug_report.md

@@ -46,4 +46,4 @@ Search open/closed issues before submitting. Someone may have reported the same
 * Operating system and version: [e.g. Windows 11 24H2, Ubuntu Linux 24.04]
 * NI-DAQmx version: [e.g. 2024 Q4]
 * `nidaqmx-python` version: [e.g. 1.0.1]
-* Python version [e.g. 3.9]
+* Python version [e.g. 3.11]

.github/workflows/build.yml

@@ -17,8 +17,8 @@ jobs:
         uses: ni/python-actions/setup-python@9768589f3e50672173dad75a6fc181e4a85d33fa # v0.7.0
         id: setup-python
         with:
-          # The codegen scripts require Python 3.9 or later.
-          python-version: "3.9"
+          # The codegen scripts require Python 3.10 or later.
+          python-version: "3.10"
       - name: Set up Poetry
         uses: ni/python-actions/setup-poetry@9768589f3e50672173dad75a6fc181e4a85d33fa # v0.7.0
       - name: Cache virtualenv (all extras)

.github/workflows/run_unit_tests.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t", "pypy3.10", "pypy3.11"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "3.14t", "pypy3.10", "pypy3.11"]
       # Fail-fast skews the pass/fail ratio and seems to make pytest produce
       # incomplete JUnit XML results.
       fail-fast: false
@@ -51,7 +51,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ["3.9", "3.13", "pypy3.11"]
+        python-version: ["3.10", "3.13", "pypy3.11"]
     steps:
       - name: Check out repo
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0

CHANGELOG.md

@@ -33,7 +33,7 @@ All notable changes to this project will be documented in this file.
     * ...
 
 * ### Major Changes
-    * ...
+    * Removed support for Python 3.9.
 
 * ### Known Issues
     * ...

CONTRIBUTING.md

@@ -27,7 +27,7 @@ through our [GitHub issues page](http://github.com/ni/nidaqmx-python/issues).
 6. Make your change.
 7. Once the necessary changes are done, update the auto-generated code using `poetry run python src/codegen --dest generated/nidaqmx`. This will ensure that the latest files are present in the ``generated`` folder.
    > **Note**
-   > The codegen scripts require Python 3.9 or later.
+   > The codegen scripts require Python 3.10 or later.
 8. Run all the regression tests again (including the tests you just added), and confirm that they all
 pass.
 9. Run `poetry run ni-python-styleguide lint` to check that the updated code follows NI's Python coding
@@ -91,7 +91,7 @@ $ poetry run pytest -v tests/benchmark --device Dev1
 
 Or you can use tox (which skips the gRPC variants):
 ```
-poetry run -- tox -e py39-base-benchmark -- --device Dev1
+poetry run -- tox -e py310-base-benchmark -- --device Dev1
 ```
 
 The benchmarks are designed to run on a 6363 device. If you don't specify a specific

README.rst

@@ -55,7 +55,7 @@ system.
 Python Version Support
 ----------------------
 
-**nidaqmx** supports CPython 3.9+.
+**nidaqmx** supports CPython 3.10+.
 
 **nidaqmx** supports PyPy3 for non-gRPC use cases. For the status of PyPy support for gRPC,
 see `PyPy support (grpc/grpc#4221) <https://github.com/grpc/grpc/issues/4221>`_.

pyproject.toml

@@ -13,7 +13,6 @@ classifiers = [
   "Operating System :: Microsoft :: Windows",
   "Operating System :: POSIX",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
@@ -31,7 +30,7 @@ maintainers = [
   {name = "Maxx Boehme", email = "[email protected]"},
   {name = "Brad Keryan", email = "[email protected]"},
 ]
-requires-python = '>=3.9,<4.0'
+requires-python = '>=3.10,<4.0'
 
 [project.urls]
 repository = "https://github.com/ni/nidaqmx-python"
@@ -52,7 +51,7 @@ requires-poetry = '>=2.1,<3.0'
 [tool.poetry.dependencies]
 # NumPy 2.0.x is the last version that supports Python 3.9, but it crashes with Python 3.13.
 numpy = [
-  { version = ">=1.22", python = ">=3.9,<3.13" },
+  { version = ">=1.22", python = ">=3.10,<3.13" },
   { version = ">=2.1", python = "^3.13" }
 ]
 deprecation = ">=2.1"
@@ -68,7 +67,7 @@ nitypes = {version=">=0.1.0dev10", allow-prereleases=true}
 [tool.poetry.group.codegen.dependencies]
 Mako = "^1.2"
 grpcio-tools = [
-  { version = "1.49.1", python = ">=3.9,<3.12" },
+  { version = "1.49.1", python = ">=3.10,<3.12" },
   { version = "1.59.0", python = ">=3.12,<3.13" },
   { version = "1.67.0", python = ">=3.13,<3.14" },
   { version = "1.75.1", python = "^3.14" },
@@ -81,7 +80,6 @@ optional = true
 [tool.poetry.group.docs.dependencies]
 # The latest Sphinx requires a recent Python version.
 Sphinx = [
-  { version = ">=7.4", python = ">=3.9,<3.10" },
   { version = ">=8.1", python = ">=3.10,<3.11" },
   { version = ">=8.2", python = "^3.11" },
 ]
@@ -93,10 +91,7 @@ toml = ">=0.10.2"
 optional = true
 
 [tool.poetry.group.examples.dependencies]
-matplotlib = [
-  { version = ">=3.9.0,<3.10.0", python = ">=3.9,<3.10" },
-  { version = ">=3.9.0", python = "^3.10" },
-]
+matplotlib = ">=3.9.0"
 nptdms = ">=1.9.0"
 
 [tool.poetry.group.lint.dependencies]
@@ -114,13 +109,10 @@ pytest-cov = ">=4.0"
 pytest-mock = ">=3.0"
 pykka = ">=3.0"
 tox = ">=3.24"
-click = [
-  { version = ">=8.0.0,<8.2.0", python = ">=3.9,<3.10" },
-  { version = ">=8.0.0", python = "^3.10" },
-]
+click = ">=8.0.0"
 # Specify additional NumPy version constraints to speed up locking and test with binary wheels that support PyPy.
 numpy = [
-  { version = ">=1.22", python = ">=3.9,<3.12", markers = "implementation_name != 'pypy'" },
+  { version = ">=1.22", python = ">=3.10,<3.12", markers = "implementation_name != 'pypy'" },
   { version = ">=1.26", python = ">=3.12,<3.13", markers = "implementation_name != 'pypy'" },
   { version = ">=2.1", python = "^3.13", markers = "implementation_name != 'pypy'" },
   { version = ">=2.1", python = ">=3.10,<3.11", markers = "implementation_name == 'pypy'" },

tox.ini

@@ -8,7 +8,7 @@ isolated_build = true
 # grpcio does not have binary wheels for pypy or free-threading, as of version 1.75.1.
 # nidaqmxbot does not have pypy yet.
 # TODO: Get system tests running on Python 3.14t (free-threaded) - https://github.com/ni/nidaqmx-python/issues/853 
-envlist = clean, py{39,310,311,312,313,314,314}-base, py{39,310,311,312,313,314}-grpc, py39-base-nicaiu, py39-base-nicai_utf8, py39-base-benchmark, report, docs
+envlist = clean, py{310,311,312,313,314,314}-base, py{310,311,312,313,314}-grpc, py310-base-nicaiu, py310-base-nicai_utf8, py310-base-benchmark, report, docs
 
 [testenv]
 skip_install = true