Use isort and add pre-commit workflow

.flake8

@@ -0,0 +1,51 @@
+[flake8]
+extend-ignore =
+    # whitespace before ':' (currently conflicts with black formatting):
+    E203,
+    # line too long (in docstrings):
+    E501,
+    # ‘from module import *’ used; unable to detect undefined names:
+    F403,
+    # doc line too long (105 > 80 characters):
+    W505,
+    # missing docstring in public module:
+    D100,
+    # missing docstring in public class:
+    D101,
+    # missing docstring in public method:
+    D102,
+    # missing docstring in public function:
+    D103,
+    # missing docstring in public package:
+    D104,
+    # missing docstring in magic method:
+    D105,
+    # missing docstring in __init__:
+    D107,
+    # no blank lines allowed after function docstring:
+    D202,
+    # 1 blank line required between summary line and description:
+    D205,
+    # first line should end with a period:
+    D400,
+    # first line should be in imperative mood:
+    D401,
+    # first line should not be the function's "signature":
+    D402,
+    # first word of the first line should be properly capitalized
+    D403,
+
+per-file-ignores =
+    mkl_fft/__init__.py: E402, F401
+    mkl_fft/interfaces/__init__.py: F401
+    mkl_fft/interfaces/scipy_fft.py: F401
+    mkl_fft/interfaces/numpy_fft.py: F401
+
+filename = *.py, *.pyx, *.pxi, *.pxd
+max_line_length = 80
+max-doc-length = 80
+show-source = True
+
+# Print detailed statistic if any issue detected
+count = True
+statistics = True

.git-blame-ignore-revs

@@ -0,0 +1,10 @@
+# $ git config blame.ignoreRevsFile .git-blame-ignore-revs
+
+# Add pre-commit hooks
+e9362b264878bf849b1d6ab0994153cb3d497bad
+
+# Add isort
+cd508d5703a3d6088f5a6414057e70e9f20895c5
+
+# Run black
+c05764aaa61ca55109ebb5e214cc51737b11bb2d

.github/workflows/conda-package-cf.yml

@@ -13,8 +13,8 @@ env:
   MODULE_NAME: mkl_fft
   TEST_ENV_NAME: test_mkl_fft
   VER_SCRIPT1: "import json; f = open('ver.json', 'r'); j = json.load(f); f.close(); d = j['mkl_fft'][0];"
-  VER_SCRIPT2: "print('='.join((d[s] for s in ('version', 'build'))))" 
-  
+  VER_SCRIPT2: "print('='.join((d[s] for s in ('version', 'build'))))"
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -280,4 +280,3 @@ jobs:
         shell: cmd /C CALL {0}
         run: >-
           conda activate ${{ env.TEST_ENV_NAME }} && python -m pytest -v -s --pyargs ${{ env.MODULE_NAME }}
-

.github/workflows/conda-package.yml

@@ -13,7 +13,7 @@ env:
   MODULE_NAME: mkl_fft
   TEST_ENV_NAME: test_mkl_fft
   VER_SCRIPT1: "import json; f = open('ver.json', 'r'); j = json.load(f); f.close(); d = j['mkl_fft'][0];"
-  VER_SCRIPT2: "print('='.join((d[s] for s in ('version', 'build'))))"  
+  VER_SCRIPT2: "print('='.join((d[s] for s in ('version', 'build'))))"
 
 jobs:
   build:
@@ -278,4 +278,3 @@ jobs:
         shell: cmd /C CALL {0}
         run: >-
           conda activate ${{ env.TEST_ENV_NAME }} && python -m pytest -v -s --pyargs ${{ env.MODULE_NAME }}
-

.github/workflows/pre-commit.yml

@@ -0,0 +1,22 @@
+name: pre-commit
+
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+permissions: read-all
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-24.04
+    timeout-minutes: 30
+    steps:
+    - uses: actions/checkout@v4.2.2
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.12'
+    - name: Version of clang-format
+      run: |
+        clang-format --version
+    - uses: pre-commit/action@v3.0.1

.pre-commit-config.yaml

@@ -0,0 +1,55 @@
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v5.0.0
+  hooks:
+    -   id: check-ast
+    -   id: check-builtin-literals
+    -   id: check-case-conflict
+    -   id: check-executables-have-shebangs
+    -   id: check-merge-conflict
+    -   id: check-toml
+    -   id: debug-statements
+    -   id: destroyed-symlinks
+    -   id: end-of-file-fixer
+    -   id: fix-byte-order-marker
+    -   id: mixed-line-ending
+    -   id: trailing-whitespace
+
+- repo: https://github.com/psf/black
+  rev: 25.1.0
+  hooks:
+  - id: black
+    exclude: "_vendored/conv_template.py"
+
+- repo: https://github.com/pycqa/flake8
+  rev: 7.1.2
+  hooks:
+  - id: flake8
+    args: ["--config=.flake8"]
+    additional_dependencies:
+        - flake8-docstrings==1.7.0
+        - flake8-bugbear==24.4.26
+
+-   repo: https://github.com/pycqa/isort
+    rev: 5.13.2
+    hooks:
+    -   id: isort
+        name: isort (python)
+    -   id: isort
+        name: isort (cython)
+        types: [cython]
+    -   id: isort
+        name: isort (pyi)
+        types: [pyi]
+
+- repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks
+  rev: v2.14.0
+  hooks:
+  - id: pretty-format-toml
+    args: [--autofix]
+
+- repo: https://github.com/pocc/pre-commit-hooks
+  rev: v1.3.5
+  hooks:
+  - id: clang-format
+    args: ["-i"]

CHANGES.rst

@@ -125,7 +125,7 @@ Fix for issue #29.
 1.0.7
 =====
 Improved exception message raised if MKL is signalling an error. The message now includes MKL's own description of the exception.
-This partially improves #24. 
+This partially improves #24.
 
 Improved argument validation for ND transforms aligning with scipy 1.2.0
 

SECURITY.md

@@ -1,5 +1,5 @@
 # Security Policy
-Intel is committed to rapidly addressing security vulnerabilities affecting our customers and providing clear guidance on the solution, impact, severity and mitigation. 
+Intel is committed to rapidly addressing security vulnerabilities affecting our customers and providing clear guidance on the solution, impact, severity and mitigation.
 
 ## Reporting a Vulnerability
-Please report any security vulnerabilities in this project utilizing the guidelines [here](https://www.intel.com/content/www/us/en/security-center/vulnerability-handling-guidelines.html).
+Please report any security vulnerabilities in this project utilizing the guidelines [here](https://www.intel.com/content/www/us/en/security-center/vulnerability-handling-guidelines.html).

_vendored/README.md

@@ -2,4 +2,4 @@
 
 File `conv_template.py` is copied from NumPy's numpy/distutils folder, since
 `numpy.distutils` is absent from the installation layout starting with
-Python 3.12
+Python 3.12