Use ruff for linting and formatting

.pre-commit-config.yaml

@@ -1,6 +1,14 @@
 repos:
-  - repo: https://github.com/psf/black
-    # Version can be updated by running "pre-commit autoupdate"
-    rev: 23.7.0
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    # Ruff version.
+    rev: v0.3.4
     hooks:
-    - id: black
+      # Run the linter.
+      - id: ruff
+        args: [ --fix ]
+      # Run the formatter.
+      - id: ruff-format
+ci:
+    # Don't run automatically on PRs, instead add the comment
+    # "pre-commit.ci autofix" on a pull request to manually trigger auto-fixing 
+    autofix_prs: false

holospy/tests/signals/test_hologram_image.py

@@ -141,7 +141,7 @@ def test_reconstruct_phase_single(lazy):
 @pytest.mark.parametrize("lazy", [True, False])
 def test_reconstruct_phase_nonstandard(lazy):
     """Testing reconstruction with non-standard output size for stacked images"""
-    if lazy == True:
+    if lazy:
         pytest.skip("Dask array flags not supported")
     gc.collect()
     x2, z2, y2 = np.meshgrid(LS, np.array([0, 1]), LS)
@@ -229,7 +229,7 @@ def test_reconstruct_phase_nonstandard(lazy):
 
 @pytest.mark.parametrize("lazy", [True, False])
 def test_reconstruct_phase_multi(lazy):
-    if lazy == True:
+    if lazy:
         pytest.skip("Dask array flags not supported")
     x3, z3, y3 = np.meshgrid(
         np.linspace(-IMG_SIZE3X / 2, IMG_SIZE3X / 2, IMG_SIZE3X),

holospy/tests/test_non-uniform_not-implemented.py

@@ -18,7 +18,6 @@
 
 import pytest
 
-from holospy import __version__
 from holospy.signals import HologramImage
 
 

upcoming_changes/28.maintenance.rst

@@ -0,0 +1 @@
+Use ruff for linting and formatting; check NPY2011.