use ruff

Author: calad0i

.pre-commit-config.yaml

@@ -1,13 +1,12 @@
 exclude: (^hls4ml\/templates\/(vivado|quartus)\/(ap_types|ac_types)\/|^test/pytest/test_report/)
 
 repos:
-- repo: https://github.com/psf/black
-  rev: 25.1.0
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  rev: v0.11.5
   hooks:
-  - id: black
-    language_version: python3
-    args: ['--line-length=125',
-           '--skip-string-normalization']
+    - id: ruff
+      args: [--fix]
+    - id: ruff-format
 
 - repo: https://github.com/tox-dev/pyproject-fmt
   rev: v2.5.1
@@ -29,11 +28,6 @@ repos:
   - id: requirements-txt-fixer
   - id: trailing-whitespace
 
-- repo: https://github.com/PyCQA/isort
-  rev: 6.0.1
-  hooks:
-  - id: isort
-
 - repo: https://github.com/asottile/pyupgrade
   rev: v3.19.1
   hooks:
@@ -47,7 +41,9 @@ repos:
     exclude: docs/conf.py
     additional_dependencies: [flake8-bugbear, flake8-print]
     args: ['--max-line-length=125',  # github viewer width
-           '--extend-ignore=E203,T201']  # E203 is not PEP8 compliant
+           '--extend-ignore=E203,T201,F401']
+           # E203 is not PEP8 compliant
+           # F401 included in ruff (behaves slightly differently for noqa flags)
 
 - repo: https://github.com/mgedmin/check-manifest
   rev: "0.50"

pyproject.toml

@@ -82,13 +82,24 @@ git_describe_command = [
 ]
 write_to = "hls4ml/_version.py"
 
-[tool.black]
+[tool.ruff]
+target-version = "py310"
+
 line-length = 125
-skip-string-normalization = true
+indent-width = 4
+include = [ "hls4ml/**/*.py", "tests/**/*.py" ]
+exclude = [ "hls4ml/_version.py", "hls4ml/templates/**" ]
+
+format.quote-style = "single"
+format.skip-magic-trailing-comma = false
+format.docstring-code-line-length = 125
+format.docstring-code-format = true
+lint.select = [ "E", "F", "F401", "I", "W" ]
+lint.ignore = [ "E741" ]
+lint.per-file-ignores = { "__init__.py" = [ "F401" ] }
 
-[tool.isort]
-profile = "black"
-line_length = 125
+lint.fixable = [ "ALL" ]
+lint.unfixable = [  ]
 
 [tool.check-manifest]
 ignore = [