Release v0.8.2

- Curvature: fall back to per-trace height when extraction_height is None
- Lower minimum Python to 3.12, test matrix on 3.12/3.13/3.14
- Ruff target-version aligned with supported minimum

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: ivh

.github/workflows/python-publish.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.13']
+        python-version: ['3.12', '3.13', '3.14']
 
     steps:
     - uses: actions/checkout@v4

CHANGELOG.md

@@ -1,6 +1,15 @@
 # Changelog
 
 
+## [0.8.2] - 2026-04-08
+
+### Fixed
+- Curvature step: fall back to per-trace height when `extraction_height` is `None` (matches `extract.py` behavior)
+
+### Changed
+- Lower minimum Python version to 3.12
+- CI test matrix now covers Python 3.12, 3.13, and 3.14
+
 ## [0.8.1] - 2026-03-05
 
 ### Added

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "pyreduce-astro"
-version = "0.8.1"
-requires-python = ">=3.13"
+version = "0.8.2"
+requires-python = ">=3.12"
 description = "A data reduction package for echelle spectrographs"
 readme = "README.md"
 authors = [
@@ -19,6 +19,7 @@ classifiers = [
     "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
     "Programming Language :: C",
     "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
     "Topic :: Scientific/Engineering :: Astronomy",
@@ -117,7 +118,7 @@ path = "hatch_build.py"
 # Ruff - Modern Python linter and formatter
 [tool.ruff]
 line-length = 88
-target-version = "py313"
+target-version = "py312"
 extend-exclude = [
     ".git",
     ".hg",
@@ -204,7 +205,7 @@ exclude_lines = [
 
 # cibuildwheel configuration for building platform-specific wheels
 [tool.cibuildwheel]
-build = "cp313-* cp314-*"
+build = "cp312-* cp313-* cp314-*"
 skip = "*-musllinux_* *-win32 *-manylinux_i686"
 test-command = "pytest {project}/test -m unit"
 test-requires = ["pytest"]

pyreduce/slit_curve.py

@@ -125,8 +125,13 @@ def _fix_inputs(self, original):
         else:
             curve_height = np.asarray(curve_height, dtype=int)
 
-        # For curvature, extraction_height is always literal pixels
+        # For curvature, extraction_height is always literal pixels.
+        # When None, fall back to per-trace height (matches extract.py behavior).
         extraction_height = self.extraction_height
+        if extraction_height is None:
+            extraction_height = np.array(
+                [t.height if t.height is not None else 0.5 for t in traces]
+            )
         if np.isscalar(extraction_height):
             extraction_height = np.full(ntrace, int(extraction_height))
         else: