Merge pull request #1099 from glotzerlab/fix/update-python-support

Drop python 3.6

.github/workflows/build_wheels.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, macos-12] #, windows-2019]
-        pyver: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+        pyver: ["3.7", "3.8", "3.9", "3.10", "3.11"]
 
     steps:
       - uses: actions/checkout@v3.5.0

.github/workflows/cibuildwheel-before-test.sh

@@ -6,12 +6,9 @@ fi
 
 PACKAGE_DIR=$1
 
-if [[ $(python --version 2>&1) == *"3.6."* ]]; then
-  # Python 3.6 is only supported with oldest requirements
+if [[ $(python --version 2>&1) == *"3.7."* ]]; then
+  # Python 3.7 is only supported with oldest requirements
   pip install -U -r "${PACKAGE_DIR}/.github/workflows/oldest-test-reqs.txt" --progress-bar=off
-elif [[ $(python --version 2>&1) == *"3.7."* ]]; then
-  # Python 3.7 was dropped by NEP 29 so not compatible with some of the newest dependencies
-  pip install -U -r "${PACKAGE_DIR}/requirements/requirements-test-compatible.txt" --progress-bar=off
 else
   pip install -U -r "${PACKAGE_DIR}/requirements/requirements-test.txt" --progress-bar=off
 fi

.github/workflows/oldest-test-reqs.txt

@@ -5,7 +5,7 @@ dynasor==1.1b0; platform_system != "Windows"
 garnett==0.7.1
 gsd==2.4.2
 matplotlib==3.0.0
-numpy==1.14.0
+numpy==1.15.0
 pillow==6.2.0
 pytest==6.2.2
 rowan==1.2.1

.github/workflows/run_tests.yml

@@ -24,8 +24,7 @@ jobs:
     strategy:
       matrix:
         os: [macOS-latest, ubuntu-latest, windows-latest]
-        pyver-env: [ {pyver: '3.6', env: 'test-oldest_env.yaml'},
-                     {pyver: '3.7', env: 'test-compatible_env.yaml'},
+        pyver-env: [ {pyver: '3.7', env: 'test-oldest_env.yaml'},
                      {pyver: '3.8', env: 'test_env.yaml'},
                      {pyver: '3.9', env: 'test_env.yaml'},
                      {pyver: '3.10', env: 'test_env.yaml'},

ChangeLog.md

@@ -12,6 +12,9 @@ and this project adheres to
 ### Fixed
 * Neighborlists generated by certain compute objects now exist after the compute object is garbage collected.
 
+### Removed
+* Support for Python 3.6
+
 ## v2.12.1 -- 2022-12-05
 
 ### Added

doc/source/gettingstarted/installation.rst

@@ -33,7 +33,7 @@ Compile from source
 The following are **required** for building and installing **freud** from source:
 
 - A C++17-compliant compiler
-- `Python <https://www.python.org/>`__ (>=3.6)
+- `Python <https://www.python.org/>`__ (>=3.7)
 - `NumPy <https://www.numpy.org/>`__ (>=1.14)
 - `Intel Threading Building Blocks <https://www.threadingbuildingblocks.org/>`__ (>=2019.7)
 - `Cython <https://cython.org/>`__ (>=0.29.14)

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools", "wheel", "oldest-supported-numpy", "cython>=0.29.14", "scikit-build>=0.13.1", "cmake"]
+requires = ["setuptools", "wheel", "oldest-supported-numpy", "cython>=0.29.14", "scikit-build==0.17.1", "cmake"]
 
 [tool.black]
 target-version = ['py36']

setup.py

@@ -36,7 +36,6 @@
         "Topic :: Scientific/Engineering :: Physics",
         "Programming Language :: C++",
         "Programming Language :: Cython",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
@@ -57,7 +56,7 @@
         "Source Code": "https://github.com/glotzerlab/freud",
         "Issue Tracker": "https://github.com/glotzerlab/freud/issues",
     },
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     install_requires=[
         "numpy>=1.14",
         "rowan>=1.2.1",